Multiquip hda User Manual

OPERATION AND PARTS MANUAL

HDA-SERIES

WALK-BEHIND TROWEL

Revision #9 (07/02/10)

To find the latest revision of this

publication, visit our website at:

www.multiquip.com

THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

P/N 20920

PROPOSITION 65 WARNING

Engine exhaust and some of
its constituents, and some dust created
by power sanding, sawing, grinding,
drillingandotherconstructionactivities
contains chemicals known to the State
of California to cause cancer, birth
defects and other reproductive harm.
Some examples of these chemicals are:

Leadfromlead-basedpaints.
Crystallinesilicafrombricks.
Cementandothermasonryproducts.
Arsenicandchromiumfrom chemically
treatedlumber.

Your risk from these exposures varies,
dependingonhowoftenyoudothistype
of work. To reduce your exposure to
these chemicals: work in aALWAYS
well ventilated area, and work with

approved safety equipment, such as

dust masks that are specially designed
to filter out microscopic particles.

PAGE 2 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

NOTES

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 3

TABLE OF CONTENTS

HDA-Series
Walk-Behind Trowel

Proposition 65 Warning ........................................... 2

Table Of Contents ................................................... 4

Parts Ordering Procedures ..................................... 5

Training Checklist .................................................... 6

Daily Pre-Operation Checklist ................................. 7

Safety Message Alert Symbols ............................ 8-9

Rules For Safe Operation ................................ 10-11

Operation And Safety Decals ................................ 12

Specifications (Trowel) .......................................... 13

Specifications (Engines)........................................ 14

General Information .............................................. 15

Controls And Components .............................. 16-17

Basic Engine ......................................................... 18

Assembly And Installation ................................ 19-21

Pre-Inspection .................................................. 22-23

Initial Start-Up .................................................. 24-25

Operation ......................................................... 26-27

Options ............................................................. 28-29

Maintenance .................................................... 30-34

Troubleshooting (Trowel) ................................. 35-36

Troubleshooting (Engine) ...................................... 37

Explanation Of Codes ........................................... 38

Suggested Spare Parts ......................................... 39

Component Drawings

Nameplate And Decals .................................... 40-41

Standard Handle Assembly (Old Style) ........... 42-43

Standard Handle Assembly (New Style) .......... 44-45

Quick-Pitch™ Handle Assembly (Old Style) ... 46-49
Quick-Pitch™ Handle Assembly (New Style) .. 50-51

4-Blade Spider Assembly ................................. 52-53

Gearbox & Engine Mounts Assembly .............. 54-55

Engine, 11 Hp Honda Assembly ...................... 56-57

Engine, 13 Hp Honda Assembly ..................... 58-59

Guard Ring Assembly ...................................... 60-61

Stabilizer Ring Assembly ................................. 62-63

Blades & Arm Adj. Fixture Assembly (Options) 64-65

Lifting Bail Assembly (Option) ......................... 66-67

Honda GX340K1QA2 Engine

Air Cleaner Assembly....................................... 68-69

Camshaft Assembly ......................................... 70-71

Piston Assembly ............................................... 72-73

Crankcase Cover Assembly ............................. 74-75

Crankshaft Assembly ....................................... 76-77

Cylinder Barrel Assembly ................................. 78-79

Cylinder Head Assembly .................................. 80-81

Fan Cover Assembly ........................................ 82-83

Flywheel Assembly .......................................... 84-85

Fuel Tank Assembly ......................................... 86-87

Ignition Coil Assembly ...................................... 88-89

Carburetor Assembly ....................................... 90-93

Muffler Assembly ............................................. 94-95

Recoil Starter Assembly................................... 96-97

Control Assembly ............................................ 98-99

Labels Assembly .......................................... 100-101

Honda GX390K1QA2 Engine

Air Cleaner Assembly................................... 102-103

Camshaft Assembly ..................................... 104-105

Piston Assembly ........................................... 106-107

Crankcase Cover Assembly ......................... 108-109

Crankshaft Assembly ................................... 110-111

Cylinder Barrel Assembly ............................. 112-113

Cylinder Head Assembly .............................. 114-115

Fan Cover Assembly .................................... 116-117

Flywheel Assembly ...................................... 118-119

Fuel Tank Assembly ..................................... 120-121

Ignition Coil Assembly .................................. 122-123

Carburetor Assembly ................................... 124-125

Muffler Assembly ......................................... 126-127

Recoil Starter Assembly............................... 128-129

Control Assembly ......................................... 130-131

Gasket Kit Assembly .................................... 132-133

Labels Assembly .......................................... 134-135

Terms And Conditions Of Sale — Parts .............. 136

NOTE

Specification and part number
are subject to change without
notice.

PAGE 4 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

PARTS ORDERING PROCEDURES

Ordering parts has never been easier!

Choose from three easy options:

January 1

Effective:

st

, 2006

Best Deal!

Order via Internet (Dealers Only):

Order parts on-line using Multiquip’s SmartEquip website!

N View Parts Diagrams

N Order Parts
N Print Specification Information

Goto www.multiquip.com and click on

Order Par ts

Order via Fax (Dealers Only):

All customers are welcome to order parts via Fax.
Domestic (US) Customers dial:
1-800-6-PARTS-7 (800-672-7877)

Non-Dealer Customers:
Contact your local Multiquip Dealer for
parts or call 800-427-1244 for help in
locating a dealer near you.

to log in and save!

Order via Phone:

If you have an MQ Account, to obtain a Username
and Password, E-mail us at: parts@multiquip.

com.

To obtain an MQ Account, contact your
District Sales Manager for more information.

Use the internet and qualify for a 5% Discount
on Standard orders for all orders which include
complete part numbers.*

Note: Discounts Are Subject To Change

Fax your order in and qualify for a 2% Discount
on Standard orders for all orders which include
complete part numbers.*

Note: Discounts Are Subject To Change

Domestic (US) Dealers Call:

1-800-427-1244

International Customers should contact
their local Multiquip Representatives for
Parts Ordering information.

When ordering parts, please supply:

R Dealer Account Number
R Dealer Name and Address
R Shipping Address (if different than billing address)
R Return Fax Number
R Applicable Model Number
R Quantity, Part Number and Description of Each Part

NOTICE

All orders are treated as Standard Orders and will

ship the same day if received prior to 3PM PST.

R Specify Preferred Method of Shipment:
UPS/Fed Ex DHL

N Priority One Tr uck 
N Ground
N Next Day
N Second/Third Day

www.multiquip.com

WE ACCEPT ALL MAJOR CREDIT CARDS!

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 5

TRAINING CHECKLIST

This checklist will lists some of the minimum requirements for
machine maintenance and operation. Please feel free to detach
it and make copies. Use this checklist whenever a new operator
is to be trained or it can be used as a review for more experienced
operator’s.

TSILKCEHCGNINIART

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TRAINING CHECKLIST

2

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Operator _________________________________________ Trainee __________________________________________
COMMENTS:

PAGE 6 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

DAILY PRE-OPERATION CHECKLIST

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COMMENTS:

DAILY PRE-OPERATION CHECKLIST

TSILKCEHCNOITAREPO-ERPYLIAD

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 7

SAFETY MESSAGE ALERT SYMBOLS

FOR YOUR SAFETY AND THE SAFETY OF OTHERS!

Safety precautions should be followed at all times when operating
this equipment. Failure to read and understand the Safety
Messages and Operating Instructions could result in injury to
yourself and others.

HAZARD SYMBOLS

NOTE

This Owner's Manual has been developed to provide
complete instructions for the safe and efficient operation
of the MultiQuip HDA-SERIES WALK-BEHIND
TROWEL. For engine maintenance information, please
refer to the engine manufacturers instructions for data
relative to its safe operation.

Before using this WALK-BEHIND TROWEL, ensure
that the operating individual has read and
understands all instructions in this manual.

SAFETY MESSAGE ALERT SYMBOLS

The three (3) Safety Messages shown below will inform you
about potential hazards that could injure you or others. The
Safety Messages specifically address the level of exposure to
the operator, and are preceded by one of three words: DANGER,

WARNING, or CAUTION.

Lethal Exhaust Gases

Engine exhaust gases contain poisonous
carbon monoxide. This gas is colorless and

odorless, and can cause death if inhaled.
NEVER operate this equipment in a confined

area or enclosed structure that does not
provide ample free flow air.

Explosive Fuel

Gasoline is extremely flammable, and its
vapors can cause an explosion if ignited. DO
NOT start the engine near spilled fuel or
combustible fluids. DO NOT fill the fuel tank
while the engine is running or hot. DO NOT
overfill tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or
sparks from the ignition system. Store fuel in

approved containers, in well-ventilated areas
and away from sparks and flames. NEVER
use fuel as a cleaning agent.

DANGER: You WILL be KILLED or

SERIOUSLY injured if you DO NOT follow
directions.

WARNING: You CAN be KILLED or

SERIOUSLY injured if you DO NOT follow
directions.

CAUTION: You CAN be injured if you

DO NOT follow directions.

Potential hazards associated with trowel operation will be
referenced with "
this manual, and will be referenced in conjunction with Safety
"

Message Alert Symbols

Hazard Symbols

".

" which appear throughout

Burn Hazards

Engine components can generate extreme heat.
To prevent burns, DO NOT touch these areas
while the engine is running or immediately after
operations. NEVER operate the engine with
heat shields or heat guards removed.

Rotating Parts

NEVER operate equipment with covers, or

guards removed. Keep
and

clothing

prevent injury.

fingers, hands, hair

away from all moving parts to

PAGE 8 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

SAFETY MESSAGE ALERT SYMBOLS

Accidental Starting

ALWAYS place the engine ON/OFF

switch in the OFF position, when the
trowel is not in use.

Over Speed Conditions

NEVER tamper with the factory settings of the

engine governor or settings. Personal injury
and damage to the engine or equipment can
result if operating in speed ranges above
maximum allowable.

This

NOTE

property, or the surrounding
environment could be damaged if
you do not follow instructions.

walk-behind trowel

, other

Respiratory Hazard

ALWAYS wear approved respiratory protection.

Sight and Hearing hazard

ALWAYS wear approved eye and hearing

protection.

Equipment Damage Messages

Other important messages are provided throughout this manual
to help prevent damage to your trowel, other property, or the
surrounding environment.

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 9

RULES FOR SAFE OPERATION

RULES FOR SAFE OPERATION

CAUTION:

Failure to follow instructions in this manual may
lead to serious injury or even death! This

equipment is to be operated by trained and
qualified personnel only! This equipment is
for industrial use only.

The following safety guidelines should always be used when
operating the

SAFETY

■

DO NOT operate or service this equipment
before reading this entire manual.

■

This equipment should not be operated by
persons under 18 years of age.

■

NEVER operate the trowel without proper protective clothing,
shatterproof glasses, steel-toed boots and other protective
devices required by the job.

HDA-SERIES

walk-behind trowel.

■

NEVER touch the hot exhaust
manifold, muffler or cylinder. Allow
these parts to cool before servicing
the trowel.

■

High Temperatures – Allow the engine to cool before adding
fuel or performing service and maintenance functions. Contact

hot!

with

■

The engine of this trowel requires an adequate free flow of
cooling air. NEVER operate the trowel (except electric models)

components can cause serious burns.

in any enclosed or narrow
area where free flow of the
air is restricted. If the air flow
is restricted it will cause

serious damage to the
trowel's engine and may
cause injury to people.
Remember the trowel's
engine gives off
carbon monoxide gas.

DEADLY

■

■

NEVER operate this equipment when not
feeling well due to fatigue, illness or taking
medicine.

■

NEVER operate the trowel under the
influence or drugs or alcohol.

■

NEVER use accessories or attachments, which are not
recommended by Multiquip for this equipment. Damage to
the equipment and/or injury to user may result.

■

Manufacturer does not assume responsibility for any accident
due to equipment modifications.

■

Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.

■

ALWAYS check the trowel for loosened threads or bolts
before starting.

■

■

■

■

ALWAYS refuel in a well-ventilated area, away from sparks
and open flames.

ALWAYS use extreme caution when
working with flammable liquids. When
refueling, stop the engine and allow it
to cool.

NEVER

machine. Fire or explosion could result from

fuel vapors

engine.

NEVER operate the trowel in an explosive atmosphere or
near combustible materials. An explosion or fire could result
causing severe

Topping-off to filler port is dangerous, as it tends to spill fuel.

smoke

around or near the

, or if fuel is spilled on a

bodily harm or even death.

hot!

PAGE 10 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

RULES FOR SAFE OPERATION

■

DO NOT operate this trowel unless all guards and safety
devices are attached and in place. See pages 16 and 17.

■

ALWAYS use proper lifting techniques when moving the
trowel. See page 24.

■

ALWAYS check to make sure that the operating area is clear
before starting the engine.

■

ALWAYS test the safety
operating the trowel.

■

NEVER place your
while starting or operating this equipment.

■

AVOID wearing jewelry or loose fitting clothing that may snag
on the controls or moving parts, this can cause a serious
injury.

■

ALWAYS keep clear of
operating the trowel.

■

NEVER leave the machine

■

Moving Parts – Shut down the engine before performing
service or maintenance functions. Contact with moving parts
can cause serious injury.

feet

stop switch

or

hands

rotating

or

unattended

devices before

inside the guard rings

moving parts

while running.

while

■

■

■

■

■

CAUTIONCAUTION

CAUTION

CAUTIONCAUTION

EMERGENCIES

■

Keep the trowel in proper running condition.
Make sure that there is no buildup of concrete, grease, oil or

debris on the trowel.
Fix damage to the trowel immediately and always replace

broken parts.
Dispose of hazardous waste properly. Examples of potentially

hazardous waste are used
High Temperatures – Allow the machine and engine to

cool

before adding fuel or performing service and
maintenance functions. Contact with
cause serious burns.

ALWAYS know the location of

the nearest

fire extinguisher

motor oil, fuel

.

and

fuel filters

hot!

components can

.

Maintenance Safety

■

Disconnect the spark plug wires before attempting any type
of service.

■

Securely support any machine components that must be
raised.

■

NEVER lubricate components or attempt service on a running
machine.

■

DO NOT use food or plastic containers to dispose of
hazardous waste.

■

DO NOT pour
down a drain or into any water source.

waste, oil

or

fuel

directly onto the ground,

■

■

ALWAYS know the location of the

nearest and

In emergencies

nearest phone or
Also know the phone numbers of the nearest

ambulance, doctor

information will be invaluable in the case of an
emergency.

first aid kit

always

.

know the location of the

keep a phone on the job site

and

fire department

.

. This

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 11

OPERATION AND SAFETY DECALS

OPERATION AND SAFETY DECALS

The HDA-SERIES walk-behind trowel is equipped with a number of operation and safety decals. These decals are provided for
operator safety and maintenance information. Should any of these decals become unreadable, replacements can be obtained from
your dealer.

Figure 1. HDA-SERIES trowel Decals

PAGE 12 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

SPECIFICATIONS (TROWEL)

Side View

SPECIFICATIONS (TROWEL)

Top View

Figure 2. HDA-SERIES Trowel Dimensions

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NOTE:

1. Sound pressure is a weighted measure. Measured at the
operators ear position while the walk-behind trowel is
operating at full throttle on concrete in a manner most often
experienced in “
may vary depending upon the condition of the concrete.
Hearing protection is always recommended.

normal

” circumstances. Sound pressure

2. The vibration level indicated is the maximum RMS (Root
Mean Square) value obtained at the handle grip while
operating the walk-behind trowel on curing concrete in a
manner most often experienced in “
Values were obtained from all three axes of motion. The
values shown represent the maximum RMS value from
these measurements.

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)mm1.019,1(2.57

2

)

normal

” circumstances.

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 13

SPECIFICATIONS (ENGINES)

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PAGE 14 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

GENERAL INFORMATION

GENERAL INFORMATION

HDA-SERIES Walk-Behind Trowel Familiarization

This walk-behind trowel is designed for the

finishing

Take a walk around the trowel. Take notice of all the major
components (see pages 16 and 17) like the engine, blades,
quick pitch control, air cleaner, centrifugal stop switch etc. Check
that there is always oil in the engine.

Read

be found throughout this manual and on the trowel. Keep all
safety information in good, readable condition. Operators should
be well trained on the operation and maintenance of the trowel.

Before using your trowel, test it on a flat watered down section of
finished concrete that is free of any debris and other objects.

This trial test run will increase your confidence in using the trowel
and at the same time it will familiarize you with the trowel’s
controls. In addition you will understand how the trowel handles
under actual conditions.

Engines

This trowel is available with an 11 HP or 13 HP gasoline engine.
Refer to the engine owner’s manual for instructions regarding
the operation and maintenance of your engine. Please contact
your nearest Multiquip Dealer for a replacement should the
original manual disappear or otherwise become unusable.

Drive System

Power is transferred from the engine to the gearbox input shaft
via a V-belt or pulley drive system. The pulley engages using a
centrifugal clutch.

Gearbox

The
to the
rotational speed of the trowel and is equipped with two shafts
(input and output).

Spider

The vertical output shaft of the gearbox connects to a cast hub
called the
that are used for attachment of blades or other accessories.
Remember as the gearbox output shaft rotates so does the spider
assembly.

of concrete slabs.

all the safety instructions carefully. Safety instructions will

gearbox

is located beneath the engine and transfers power

rotor

or

spider

spider

assembly. The gearbox controls the

. The spider has 4 arms that extend outward

floating

and

Blades

The blades of the trowel finish the concrete as they are rotated
around the surface. Blades are classified as
inches wide),
wide). This trowel comes equipped with either
blades per rotor equally spaced in a radial pattern and
attached to vertical rotating shaft by means of a

assembly.

Centrifugal Stop Switch

In the event of a trowel runaway condition (operator releases
the handle), a
depending on which trowel you have, will stop the engine
and bring the trowel to a halt.

CAUTIONCAUTION

CAUTION

CAUTIONCAUTION

Moving the HDA-SERIES Walk-Behind Trowel

This walk-behind trowel is designed to be moved and handled
in several ways. The easiest way to lift the trowel is to use the

auxiliary lifting tube

page 24, Figure 20. When using the auxiliary tube, always use

two persons

Some models have a
chain can be attached to the lifting bail, allowing a forklift or
crane to lift the trowel up onto a slab of concrete. Use a lifting
device of adequate lifting capacity to lift the trowel.

Training

For proper training, please use the “TRAINING CHECKLIST”
located in the front of this manual (Page 6). This checklist will
provide an outline for an experienced operator to provide training
to a new operator.

combination

float

(10 or 8 inches wide), and finish (6 inches

three

centrifugal stop switch

NEVER attempt to

ALWAYS get the assistance of another

person to help lift the trowel or use a crane or

lifting device to move the trowel.

that is attached to the main handle. See

to lift the trowel.

lifting bail

(option) installed. A strap or

or

manual clutch

lift

the trowel by yourself.

(8

or four

spider

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 15

CONTROLS AND COMPONENTS

Figure 3. HDA-SERIES Walk-Behind Trowels

PAGE 16 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

CONTROLS AND COMPONENTS

Figure 3 shows the location of the basic controls or components,
for the HDA-SERIES trowel. Listed below is a brief explanation
of each control or component

1. Quick-Pitch™ Control Handle – To adjust the pitch of
the blades, grasp the handle then squeeze and either move
the handle forward or backward to achieve the desired
blade pitch.

2. Handlebar Adjuster – Change the angle/height of the
handle bars by loosening star wheel, adjust handlebars to
desired location, tighten
handlebars in that position.

3. Hand Grip/Handle Bar – When operating the trowel, place
both hands on each grip to maneuver the trowel. Replace
hand grips when they become worn or damaged.

4. Throttle Control Lever – Controls the speed of the engine.
Pull the hand grip toward the operator to increase engine
speed (high), away from the operator to decrease engine
speed (low or idle).

5. Throttle (Engine) – Controls engine speed when throttle
control lever is pulled toward the operator.

6. V-Belt Cover – Remove this cover to gain access to the V­belt. NEVER operate the trowel with this cover removed.

starwheel

firmly to hold

10. Trowel Lifting Point – Insert the auxiliary lifting tube here.
See Figure 20.

11. Pitch Control (standard models) - Turn this "Star Wheel"
clockwise for increase blade pitch, and counter-clockwise
for decrease blade pitch.

12. Blades – This trowel is equipped with combination blades.
These blades are versatile and should take care of most
troweling needs. In addition float discs can be attached to
the trowel arms that will allow the trowel to float on "wet"
concrete.

13. Main Tube - When disassembling components inside the
tube exercise extreme CAUTION! Tube is spring-loaded,
severe injury could result if not disassembled correctly.

14. Guard Ring- NEVER! put hands or feet inside guard ring.

15. Engine – This trowel uses an 11HP or 13 HP Honda

gasoline engine.

16. Trowel Arm – NEVER operate the trowel with a bent, broken
or out of adjustment trowel arm. If the blades show uneven
wear patterns or some blades wear out faster than others,
the trowel arm may need to be adjusted. Use the trowel
arm adjustment tool P/N 1817 to adjust the trowel arms.

7. Centrifugal Safety Stop Switch – In the event the operator
loses control of the trowel, this switch will shut-down the
engine.

8. Auxiliary Lifting Tube - Use this tube to lift the trowel onto
a slab. Tube is to be inserted into socket located in front of
the gearbox.

9. Stabilizer Ring – Reduces trowel arm vibration. Helps
stabilize trowel arm.

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 17

BASIC ENGINE

INITIAL SERVICING

BASIC ENGINE

Figure 4. Engine Controls and Components

The engine (Figure 4) must be checked for proper lubrication and
filled with fuel prior to operation. Refer to the manufacturers engine
manual for instructions & details of operation and servicing.

1. Fuel Filler Cap – Remove this cap to add unleaded
gasoline to the fuel tank. Make sure cap is tightened
securely. DO NOT over fill.

6. Choke Lever – Used in the starting of a cold engine, or in
cold weather conditions. The choke enriches the fuel
mixture.

7. Air Cleaner – Prevents dirt and other debris from entering
the fuel system. Remove wing-nut on top of air filter
cannister to gain access to filter element.

DANGER

NOTE

Adding fuel to the tank should be done only when

the engine is stopped and has had an opportunity to
cool down. In the event of a fuel spill, DO NOT attempt to start the
engine until the fuel residue has been completely wiped up, and the
area surrounding the engine is dry.

2. Throttle Lever – Used to adjust engine RPM speed (lever

FAST

advanced forward

SLOW

).

3. Engine ON/OFF Switch – ON position permits engine

starting, OFF position stops engine operations.

4. Recoil Starter (pull rope) – Manual-starting method. Pull

the starter grip until resistance is felt, then pull briskly and
smoothly.

5. Fuel Valve Lever – OPEN to let fuel flow, CLOSE to stop

the flow of fuel.

, lever back toward operator

8. Spark Plug – Provides spark to the ignition system. Clean
spark plug once a week.

9. Muffler – Used to reduce noise and emissions.

while the engine is running or immediately after operating. NEVER
operate the engine with the muffler removed.

10. Fuel Tank – Holds unleaded gasoline. For additional
information refer to engine owner's manual.

Operating the engine without an air
filter, with a damaged air filter, or a
filter in need of replacement will
allow dirt to enter the engine, causing
rapid engine wear.

WARNING

Engine components can generate extreme heat.
To prevent burns, DO NOT touch these areas

PAGE 18 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

ASSEMBLY AND INSTALLATION

ASSEMBLY AND INSTALLATION

Before the trowel can be put into operation there are some
components that must be installed before the trowel can be used.
This section provided general instructions on how to install those
components. Instruction sheet P/N 20485 provides further details
for the handle assembly.

Handle Tube Installation (All Models)

1. Install the
The mounting hardware should be contained in the shipping
container.

2. On Quick-Pitch™ models, pivot the
back (full pitch), (Figure 6). This will relax the spring inside
the handle tube. On either model, spread the handle bar
ends just enough to engage the teeth on the handle tube.
Attach the hand wheel assembly, position handlebar to
desired location, and tighten hand wheel firmly.

handle tube

Figure 5. Handle Tube Installation

to the gearbox as shown in (Figure 5).

Quick-Pitch™ Handle

Figure 6. Handlebar Installation

Throttle Cable Installation

1. Place the throttle lever (Figure 7) to the idle position.

Figure 7. Throttle

2. Feed the throttle cable through the cable housing.

3. Connect the throttle cable to the engine (Figure 8). There
should be a piece of wire installed on the trowel to show
where to route the throttle cable. When connecting the cable
housing, make sure that no more than
cable housing protrudes past the housing clamp on the
engine.

1/4" (6.4mm)

of the

CAUTIONCAUTION

CAUTION

CAUTIONCAUTION

The Quick-Pitch™ handle is spring loaded,

personal injury or damage could result from
improper handling or installation. Be careful
when installing this component.

Considerable force may be

NOTE

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 19

required when moving the Quick­Pitch™ Handle forward or

backward.

Figure 8. Throttle Cable Connection

ASSEMBLY AND INSTALLATION

4. Tighten cable clamp screw and swivel stop screw.

5. After the cable has been installed on the engine, adjust
and tighten operator position of the handle to lock the
throttle cable at the proper length.

6. Adjust cable tension loosening the lock nut on the throttle
cable receiver (Figure 9), loosening or tightening the
adjuster nut below it, then retightening the lock nut.

Figure 9. Throttle Adjust

7. Installation of the throttle cable may vary for different engine
configurations. Please look for more detailed instructions
inside the box containing the handle. These more detailed
instructions should provide adequate guidance for installing.

Figure 10. Engine Safety Stop Wire Connection

Pitch Cable Installation

1. Expose the pitch cable to maximum by adjusting the handle
pitch to the "no pitch" position. On the standard model turn

Handle Height Adjustment

If handle height adjustment is desired, a handle wedge kit can be
purchased for your trowel by ordering P/N 2576 from your Multiquip
dealer. These wedges are placed between the handle and the
gearbox to adjust the operating height of the handle. This kit
comes complete with wedges, new bolts and installation
instructions. This will move your operating handle position up or
down approximately 3” (76 mm).

Safety Stop Switch Wire

Locate the
tube (Figure 10) and connect it to the
Test the safety stop switch to insure proper operation.

safety stop switch wire

protruding from the handle

tail wire

on the engine.

the pitch control counter-clockwise, (Figure 11). On the
Quick-Pitch™ model, pivot the pitch handle forward or no
pitch (Figure 12).

Figure 11. "No Pitch" Position (Standard)

Figure 12. "No Pitch" Position (Quick-Pitch™)

PAGE 20 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

ASSEMBLY AND INSTALLATION

2. Lock the spring in the compressed position, by releasing
the blade pitch adjustment trigger, (Quick-Pitch™ model).

3. Remove one brass set nut from the blade pitch cable end
as shown in (Figure 13).

4. Thread the second brass set nut towards the cable as far

Pre-load Adjustment (Quick-Pitch™ Models Only)

1. After the Quick-Pitch™ handle has been installed on the
trowel, spring pre-load adjustment will be required.

2. Locate the adjustment screw on the underside of the handle
tube (Figure 15).

as possible.

Figure 13. Blade Pitch Cable

5. Insert the cable end through the yoke eyelet (Figure 14).
Tighten the first brass set nut by hand to remove all the
slack from the cable.

6 Using a wrench, tighten the second brass set nut up against

the yoke boss. This will lock the cable in place.

7. Use a wrench and finish tightening the first brass set nut up
against the yoke boss.

3. A
assist the user in the adjustment of the spring.

4. Align the

COMBO

5. Test the pitch control operation and adjust if necessary.

6. If less operator effort is desired to pitch the blades, move
the indicator further in the "

YOKE

THREAD CABLE END
THROUGH YOKE EYELET

Figure 15. Pre-load Adjustment

decal

has been placed on the side of the handle tube to

arrow

on the adjustment screw with the letter "B"

on the

decal

.

COMBO

" direction.

TIGHTEN SECOND
BRASS SET NUT
AGAINST YOKE BOSS

USE A WRENCH TO
TIGHTEN FIRST BRASS
SET NUT AGAINST YOKE BOSS

Figure 14. Cable Yoke Attachment

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 21

PRE-INSPECTION

CAUTIONCAUTION

CAUTION

CAUTIONCAUTION

NEVER operate the trowel
in a confined area or enclosed

area structure that does not
provide ample

.

air

PRE-INSPECTION

free flow of

ALWAYS wear approved eye and hearing

protection before operating the trowel.

3. Insert and remove the dipstick without screwing it into the filler

NEVER place hands or feet inside the guard
rings while the engine is running. ALWAYS shut
the engine down before performing any kind of
maintenance service on the trowel.

It is recommended that the trowel's
to stop the engine after every use. Doing this will verify that the
switch is working properly and presents no danger to the operator.

Before Starting

1. Read safety instructions at the beginning of manual.

trowel

2. Clean the
engine cooling air inlet, carburetor and air cleaner.

, removing dirt and dust, particularly the

safety stop switch

be used

neck. Check the oil level shown on the dipstick.

4. If the oil level is low (Figure 17), fill to the edge of the oil filler
hole with the recommended oil type (Table 3). Maximum oil
capacity is 1.16 US Qt. (1.1 liters).

NOTE

Figure 16. Engine Oil Dipstick (Removal)

Reference manufacturer engine
manual for specific servicing
instructions.

3. Check the air filter for dirt and dust. If air filter is dirty, replace
air filter with a new one as required.

4. Check carburetor for external dirt and dust. Clean with dry
compressed air.

5. Check fastening nuts and bolts for tightness.

Figure 17. Engine Oil Dipstick (Oil Level)

epyTliO.3elbaT

Engine Oil Check

1. To check the engine oil level, place the trowel on secure level
ground with the engine stopped.

2. Remove the filler dipstick from the engine oil filler hole
(Figure 16) and wipe it clean.

nosaeS erutarepmeT epyTliO

remmuS rehgiHroC°52 03-W01EAS

llaF/gnirpS C°01~C°52 02/03-W01EAS

retniW rewoLroC°0 01-W01EAS

PAGE 22 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

PRE-INSPECTION

Explosive Fuel

Blade Check

Check for worn or damaged blades. Check to see if one blade is
worn out while the others look new. If this is the case there could
be a blade pitch problem. Refer to the maintenance section of

Fuel Check

Motor fuels are highly flammable and can be dangerous if

this manual for blade pitch adjustment procedure. Replace any
worn blades.

mishandled. DO NOT smoke while refueling. DO NOT attempt
to refuel the trowel if the engine is

hot! or running

1. Remove the gasoline cap located on top of fuel tank.

2. Visually inspect to see if fuel level is low. If fuel is low, replenish

.

CONTROLS

Safety Stop Switch

This trowel has been equipped with a centrifugal safety stop
switch

(Figure 19).

with unleaded fuel.

3. When refueling, be sure to use a strainer for filtration. DO

NOT top-off fuel. Wipe up any spilled fuel.

Gearbox Oil

1. Determine if the

gearbox

oil is low by removing the oil

plug located on the side of the gearbox. This plug will be

check

marked by the "

" decal (Figure 18). The correct level

of the lubrication oil should be to the bottom of the fill plug.

GEARBOX

The switching mechanism of this switch should operate freely
and should
the OFF position, the engine should not start or run. The pur pose

FILL PLUG

DRAIN
PLUG

of this switch is to stop the engine in a runaway situation, (i.e. the
operator releasing the handle during operation).
switches should be tested every time the engine is started.
page 25 for procedures to check the operation of the Safety Stop

Figure 18. Gearbox

Switch.

2. If lubrication oil begins to seep out as the drain plug is

being removed, then it can be assumed that the gearbox
has a sufficient amount of oil.

3. If lubrication oil does not seep out as the drain plug is

NOTE

being removed, fill with type ISO 680 (Whiteman P/N 10139)
gearbox lubricant oil until the oil filler hole overflows.

V-belt Check

A worn or damaged V-belt can adversely affect the performance
of the trowel. If a V-belt is defective or worn simply replace the V­belt as outlined in the maintenance section of this manual.

Figure 19. Centrifugal Safety Stop Switch

always

be kept in this condition. With the switch in

Safety stop

See

NEVER!

disable or disconnect the
safety stop switch. It is provided for
operator safety. Injury may result if it
is disable, disconnected or
improperly maintained.

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 23

INITIAL START-UP

INITIAL START-UP

DO NOT use your trowel until this section has been read and is

thoroughly understood.

CAUTIONCAUTION

CAUTION

CAUTIONCAUTION

The trowel is

around. Use proper heavy lifting procedures
and DO NOT

rings.

Lifting the Trowel Onto a Slab

Auxiliary Lifting Tube

Remove the auxiliary lifting tube located on top of the main handle.
Insert the tube into the socket located on the opposite side of the
gearbox (Figure 20) from the handle.

Make sure that the hole in the tube engages with the pin in the
socket. With one person lifting from the main handle, and another
lifting from the auxiliary lifting tube pick up the machine to move
onto a slab.

heavy

and

awkward

lift the trowel by the guard

to move

Using a
recommended, and is perfectly safe for the machine. Extra care
should be taken when lifting the machine off the ground, however.
Serious damage to the machine or personal injury could be
caused by dropping a trowel.

CAUTIONCAUTION

CAUTION

CAUTIONCAUTION

Starting the Engine

1. Place the engine
position.

crane

to move a machine with a lift bail is highly

DO NOT attempt to operate the trowel until
the Safety, General Information and
Inspection sections of this manual have
been read and thoroughly understood.
Depending on engine manufacturer,
operating steps may vary. See engine
manufactures operating manual. The
following start-up procedure makes
reference to a HONDA 11HP or 13HP

Engine (Manual Start).

fuel valve lever

(Figure 21) to the "ON"

Figure 20. Lifting the Trowel

CAUTIONCAUTION

CAUTION

CAUTIONCAUTION

The trowel must be stabilized by the person
carrying the

it is not stabilized properly the handle may
swing around and
damage to the trowel and bodily injury.

Lifting Bail (Option)

The lift bail is optional on new trowels. It provides an optimal lift
point for moving the trowel.
lift a trowel up onto a building with a crane. See “

Equipment

PAGE 24 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

” section in this manual for ordering information.

operator’s handle

flip

the trowel, thus causing

Lift bales or forklift

(Figure 20). If

can be used to

Optional

2. Move the throttle lever (Figure 22) to the "idle" position.

Figure 21. Engine Fuel Valve Lever

Figure 22. Throttle (Idle Position)

INITIAL START-UP

3. Place the
"ON" position.

4. Place the
position.

centrifugal safety stop switch

Figure 23. Centrifugal Safety Stop Switch

Choke Lever

(Figure 23) in the

(Figure 24) in the "

CLOSED

6. If the engine has started, slowly return the choke lever

OPEN

(Figure 24) to the
repeat steps 1 through 5.

7. Before the trowel is placed into operation, run the engine for
several minutes. Check for fuel leaks, and noises that would
associate with a loose guard ring and/or covers.

8. Test the Safety Stop Switch.

a. With the engine at idle, move the safety stop switch lever

to "OFF" (Figure 23). The engine should shut off.

b. CLEAR THE AREA AROUND THE TROWEL. Move

the safety stop switch lever back to the "ON" position,
restart the engine and let idle. Stand behind the handle
and spin the handle to the right, simulating a runaway

"

situation. (See Figure 26). Centrifugal force should
throw the safety switch outward to the "OFF" position
thus shutting off the engine

position. If the engine has not started

Figure 24. Engine Choke Lever

5. Grasp the starter grip (Figure 25) and slowly pull it out. The
resistance becomes the hardest at a certain position, corre­sponding to the compression point. Pull the starter grip briskly
and smoothly for starting.

9. To begin troweling, push the throttle lever (Figure 27) toward

Figure 25. Starter Grip

.

Figure 26. Testing the Centrifugal Safety Stop Switch

the "

RUN

" position.

Figure 27. Throttle (Run Position)

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 25

OPERATION

OPERATION

The following steps are intended as a basic guide to machine
operation, and are not to be considered a complete guide to
concrete finishing. We suggest that all operators (experienced
and novice) read “

Slabs on Grade

Concrete Institute, Detroit, Michigan

section of this manual for more information.

Pitching The Blades

” published by the

. Read the “Training”

American

Maneuvering the Trowel

1. Get into the operator’s position behind the handle. With a
secure foothold and a firm grasp on the handles slowly
increase the engine speed until the desired blade speed is
obtained.

2. To maneuver the trowel, gently lift up on or press down on the
main trowel handle. To move the machine to the operator’s
left,

down

Quick-Pitch™ Handle

To pitch the blades upwards using the

handle

pull the handle toward the operator. Pushing the handle
toward the engine will cause the blades to lay flat.

, (Figure 28) simply squeeze the trigger lock and

"Quick-Pitch

3. The best method for finishing concrete is to slowly walk

™"

backwards (Figure 30) with the trowel, guiding the trowel
from side to side. This will cover all footprints on wet concrete.

4. Remember that if you let go of the trowel, just step away and
let the trowel come to a complete stop before trying to recover
the trowel. See (Figure 26) to see the area around the trowel
to keep clear of.

lift up

on the handle, to move machine to the right,

on the handle.

push

Figure 28. Quick-Pitch™ Handle

Standard Handle

To pitch the blades upwards using the "
(Figure 29) simply turn the
wheel counter clockwise will cause the blades to lay flat.

Figure 29. Standard Handle

star-wheel

Standard

clockwise. Turning the star

" handle,

PAGE 26 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

OPERATION

(Figure 30) below illustrates a typical walk-behind trowel
application. Practice maneuvering the trowel. The trick is to let
the trowel do the work.

Continue to practice maneuvering the trowel. Try to practice as if
you were finishing a slab of concrete. Practice edging and
covering a large area. Remember a good finishing technique is
to work backwards. Be careful when moving backwards so that
hazards can be avoided. The best way to get accustomed to the
trowel is repeated use.

Figure 30. Maneuvering The Trowel

CAUTIONCAUTION

CAUTION

CAUTIONCAUTION

NEVER place your
guard rings while starting or operating this
equipment.

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 27

feet

or

hands

inside the

CAUTIONCAUTION

CAUTION

CAUTIONCAUTION

ALWAYS keep clear of

parts while operating this equipment.

rotating

or

moving

OPTIONS

OPTIONS

Blades

Clip-On Float Blades (Optional)

These blades will clip (Figure 33) on to an existing installed blade,
allowing your finisher to float on “wet” concrete so that the
troweling operation can begin as early as possible. They are
easily removable, so that after the floating operation, when the
concrete is sufficiently cured, they can be removed to expose the
finish blades for continued troweling.

NOTE

Blades should be changed when
they fail to finish concrete in a
satisfactory manner.

Blades are a vital part of finishing concrete. This trowel, or

finisher

, has been designed to finish concrete and the blades are
built to stringent quality standards out of the finest trowel steel. If
you need replacement blades, consult your parts list in this
manual for part numbers and order them from your Multiquip parts
dealer or importer.

Combo Blades

This trowel was equipped with combination

31) blades as original equipment. These blades have been
designed for optimum performance in both the floating and
finishing operations. These blades are versatile and should take
care of most troweling needs.

float/finish

(Figure

Float Discs (Optional)

These round discs (Figure 34) attach to the spiders and allow the
machine to “float” on “wet” concrete. The disc design allows early
floating and easy movement from wet to dry areas. They are also
very effective in embedding large aggregates and surface
hardeners.

Figure 33. Clip-On Float Blade

Figure 31. Combination Blade

Finish Blades (Optional)

Figure 34. Float Disk

These blades (Figure 32) have been specifically designed for
finish operations with this trowel. They will provide a premium
surface finishing capability from your trowel. They should only be
used after the concrete has set to the point where the trowel does
not sink into the concrete when placed on it.

Figure 32. Finish Blade

PAGE 28 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

Lifting Bail

There is a heavy duty, center balance type lifting bail (Figure 35)
made specifically for your trowel. These bales are ideal for lifting
and transporting your trowel. They are designed to lift the finisher
and balance it on it’s center of gravity, providing great stability
while lifting. This option is not available on electric trowel models.

AB

OPTIONS

Figure 35. Lifting Bail

A. P/N 10157 (11 HP Engine)

B. P/N 11554 (13 HP Engine)

Trowel Arm Adjustment Tool

If blades show uneven wear patterns or some tend to wear out
faster than others, the trowel arms may need to be adjusted.
Whiteman makes a special tool (Figure 36) that will adjust all of
the trowel arms consistently. The Trowel Arm Fixture P/N is 1817.

Figure 36. Trowel Arm Adjustment Fixture

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 29

MAINTENANCE

MAINTENANCE

Trowel Arm Adjustment Procedure

See the engine manual supplied with

NOTE

your machine for appropriate engine
maintenance schedule and

NOTE

troubleshooting guide for problems.

A

level

At the front of the book (Page 7) there is a “

Checklist

basis.

CAUTION!CAUTION!

CAUTION!

CAUTION!CAUTION!

MAINTENANCE SCHEDULE

Daily (8-10 Hours)

1. Check the oil level in the engine crankcase and gear box,

2. Check V-belt.

Weekly (50-60 Hours)

1. Relube arms, thrust collar and clutch.

2. Replace blades if necessary.

3. Check and clean or replace the engine air filter as

”. Make copies of this checklist and use it on a daily

ALWAYS allow the engine to

cool before servicing. NEVER
attempt any maintenance

hot!

work on a

fill as necessary.

necessary.

engine.

Daily Pre-Operation

, clean area to test the trowel prior to and after is essential.
Any unlevel
will give an incorrect perception of adjustment. Ideally, a 5 x 5"
three-quarter inch thick

1. To determine which blades need adjustment, place the

trowel in the test area (three-quarter inch thick plate) and look
for the following conditions:

■

■

(Figure 37) below illustrates "

trowel arms

touching (0.010" max. clearance) lower wear plate. All alignment
bolts should be spaced the same distance from the lower wear
plate.

The following procedure should be
followed to adjust trowel arms when
it becomes apparent that the trowel
is finishing poorly or in need of
routine maintenance.

spots

in the floor or debris under the trowel blades

flat

steel plate should be used for testing.

Pitch the blades as flat as possible and look at the

adjustment bolts

with the
that one of them is not making contact, some adjustment
will be necessary.

Is the machine wearing out blades unevenly (i.e. one
blade is completely worn out while the others look new)?

lower wear plate

". Check to see that adjustment bolt is barely

. They should all barely make contact

on the spider. If you can see

worn spider bushings or bent

4. Replace engine oil and filter as necessary, see engine
manual.

Monthly (200-300 Hours)

1. Remove, clean, reinstall and relube the arms and thrust
collar. Adjust the blade arms.

2. Remove, clean, reinstall clutch.

Yearly (2000-2500 Hours)

1. Check and replace if necessary the arm bushings, thrust
collar bushings and shaft seals.

2. Check pitch control cables for wear.

3. Adjust blade speed.

(Figure 38) below illustrates the "
plate (as shipped from the factory).

Figure 37. Worn Spider Plate

correct alignment

Figure 38. Correct Spider Plate Alignment

" for a spider

PAGE 30 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

MAINTENANCE

2. Start engine, and bring trowel blades up to full speed and look
for the following conditions:

■

Does the trowel have a perceived rolling or bouncing
motion when in use?

■

Look at the trowel while it is running, does the guard
ring “rock up and down” relative to the ground?

Spider Removal

Once it is determined that an adjustment is required, remove the
spider assembly from the gearbox shaft as follows:

1. Locate the cone point square head set screw (Figure 39)

and attached jam nut found on the side of the spider
assembly.

2. Loosen the jam nut and cone point square head set

3. If the trowel is equipped with an outer stabilizer ring

screw, and carefully lift the
of the spider assembly. A slight tap with a rubber mallet
may be necessary to dislodge the spider from the main
shaft of the gearbox.

(Figure 40), remove the four bolts at the end of each
spider arm.

upper trowel assembly

off

Figure 40. Stabilizer Ring

4. Examine stabilizer ring for out of round or bends. If ring
is damaged, replace ring. If ring is found to be correct with
no damage, set aside.

Trowel Arm Removal

1. Each trowel arm is held in place at the spider plate by a hex
head bolt (zerk grease fitting) and a roll pin. Remove both the
hex head bolt and the roll pin (Figure 41) from the spider
plate.

2. Remove the trowel arm from the spider plate.

Figure 39. Spider/Gearbox Removal

Figure 41. Removing Roll Pin

and Zerk Grease Fitting

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 31

MAINTENANCE

3. Should the trowel arm inserts (bronze bushing ) come out
with the trowel arm, remove the bushing from the trowel arm
and set aside in a safe place. If the bushing is retained inside
the spider plate, carefully remove the bushing.

4. Examine the bronze trowel arm bushing insert (Figure 42),
clean if necessary. Replace bushing if out of round or worn.

Figure 42. Bronze Bushings

Trowel Blade Removal

1. Remove the trowel blades from the trowel arm by removing
the three hex head bolts (Figure 43) from the trowel arm. Set
blades aside.

Trowel Arm Flatness Test

1. Using a piece of 3/4 inch thick steel plate or any surface which

true

is
flatness.

2. Check each of the six sides of the trowel arm (hex section
only) using a ten thousands of an inch (max.) feeler gauge
(Figure 44) between the flat of the trowel arm and an

tremely flat

and

flat

test surface.

, check all

six sides

of each trowel arm for

ex

-

Figure 43. Trowel Blades

2.

Wire brush

trowel arm. Repeat this for the remaining three arms.

any build-up of concrete from all six sides of the

Figure 44. Trowel Arm Flatness Test

3. If the trowel arm is found to be
trowel arm. A bent trowel will not allow the trowel to operate
in a smooth fluid rotation.

4. Next, check each of the six sides of the round machined shaft
section of the trowel arm. Each section should have the

clearance

test surface.

between the round of the trowel arm shaft and the

uneven

or

bent

, replace the

same

Trowel arms can be damaged by
rough handling or by striking

NOTE

exposed plumbing or forms while in
operation.

ALWAYS

look-out for
objects which might cause damage
to the trowel arms.

PAGE 32 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

MAINTENANCE

Trowel Arm Adjustment

Shown in (Figure 45) is the adjustment fixture with a trowel arm
inserted. As each trowel arm is locked into the fixture, the arm bolt
is adjusted to where it contacts a stop on the fixture. This will
consistently adjust all of the trowel arms, keeping the finisher as
flat and evenly pitched as possible.

1. Locate the trowel arm adjustment tool P/N 1817. Set the
adjustment tool for a clockwise blade rotation, meaning the
fixture arm is in the "UP" position.

3. Unscrew the locking bolts on the adjustment tool, and place
the trowel arm into the adjustment fixture channel (Figure 45).

thin shim

A
trowel arm. Make sure to align the trowel adjustment bolt with
the fixture adjustment bolt.

4. Using an allen wrench, tighten the locking bolts on the
adjustment tool and securely lock the trowel arm in place.

5. Loosen the locking nut on the trowel arm lever, then turn the
trowel arm adjusting bolt until it barely touches (.010") the
adjusting bolt on the fixture.

6. After the correct adjustment has been made, tighten lock nut
on trowel arm lever to lock in place.

7. Loosen locking bolts on adjustment fixture, and remove
trowel arm from fixture.

8. Repeat steps 2-7 for the remaining trowel arms.

Re-Assembly

1. Clean and examine the upper/lower wear plates and thrust
collar. Examine the entire spider assembly. Wire brush any
concrete or rust build-up. If any of the spider components are
found to be damaged or out of round, replace them.

may be required to cover the blade holes on the

Figure 45. Trowel Arm Adjustment Tool

A. Adjustment Bolt B. Adjust as in Step 2

C. Locking Nut D. Distance (.010 Inch)

E. Fixture Arm F. Arm

G. Trowel Arm Lever H. Fixture P/N 1817

I. Locking Bolts J. Shim

2. Adjust the adjustment bolt to fit the tallest adjustment screw,
then adjust the other arms to match.

2. Make sure that the bronze trowel arm bushing is not dam­aged or out of round. Clean the bushing if necessary. If the
bronze bushing is damaged or worn, replace it.

3. Reinstall bronze bushing onto trowel arm.

4. Repeat steps 2 -3 for each trowel arm.

5. Make sure that the spring tensioner is in the correct position
to exert tension on the trowel arm.

6. Insert all trowel arms with levers into spider plate (with bronze
bushing already installed) using care to align grease hole on
bronze bushing with grease hole fitting on spider plate.

7. Lock trowel arms in place by tightening the hex head zerk
grease fitting and jam nut.

8. Re-install the blades back onto the trowel arms.

9. Install stabilizer ring onto spider assembly.

10. Reinstall lower wear plate,

in the

ring

the spider shaft. Make sure that there is little or no lateral
movement between the thrust collar and the spider shaft.

reverse order

thrust collar

that they were dis-assembled onto

and

upper wear

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 33

MAINTENANCE

11. Carefully lift
way on gear box main shaft and insert into spider assembly.

12. Reinstall square head cone point into spider plate and
tighten in place. Tighten jam nut. Use care in making sure
point of set screw engages groove in gear box main shaft.

13. Lubricate all grease points (zerk fittings) with premium

Lithum 12"

"
consistency.

Testing

1. Place trowel in test area, start engine and test trowel for
smoothness.

2. If trowel bounces has excessive vibration or does not run
smoothly repeat alignment procedure.

Changing a Blade

Whiteman recommends that

same time

the blades are changed at one time.

the upper trowel assembly

based grease, conforming to NLG1 Grade #2

, line up the key-

V-Belt Removal and Replacement

1. Remove the two T-Bolts and lock-washers that hold on the

2. Work the belt up and over the bottom pulley and remove the

3. Replace with the appropriate belt:

4. Place the belt in the upper pulley groove then work the belt

all the blades be changed at the

. The machine may wobble or bounce if only some of

6. Replace the belt guard, lock-washers, and secure with the T-

belt guard and remove the belt guard.

belt.

HDA 11HP HONDA: P/N 0261, A31 GATES HPII (2 each)
HDA 13HP HONDA: P/N 11537, HOFFCO-COMET

over the bottom pulley into place.

NOTE

Bolts.

The V-Belt will tension itself automati­cally during operation. NO
FURTHER ADJUSTMENT OR
TENSIONING IS NECESSARY.

1. Place the machine on a flat, level surface. Adjust the blade
pitch control to make the blades as flat as possible. Note the
blade orientation on the trowel arm.

Before removing the blades,

NOTE

please note the orientation of the
blade on the trowel arm.

2. Remove the three bolts and lock washers that secure the
blade to the trowel arm. Remove the blade.

3. Using a wire brush, scrape all concrete particles and foreign
debris from the trowel arm.

4. Install the new trowel blade onto the trowel arm. Make sure
blade is installed correctly, maintaining the proper orienta­tion for direction of rotation

5. Reinstall

blade to the trowel arm. Tighten all three bolts securely.

6. Repeat steps 1- 5 for all remaining blades.

the three bolts and lock washers that secure the

.

Engine

Follow the maintenance procedures outlined in the engine
owner's manual.

Engine Oil Change

Drain the used oil while the engine is warm by the following:

1. Place an oil pan or suitable container below the engine drain
plug to catch the used oil.

2. Remove the filler cap/dipstick and the drain plug.

3. Drain the oil completely and reinstall the drain plug. Ensure
the drain plug is tightened securely.

4. With the engine in a level position, fill to the outer edge of the
oil filler hole with the recommended oil.

5. Screw in the filler cap/dipstick securely.

Dispose of used oil properly. DO NOT pour used oil on the
ground, down a drain, or throw in the trash. Used oil can generally
be taken to your local recycling center or service station for
reclamation.

WARNING

NEVER operate equipment with covers, or

guards removed. Keep fingers,
and

clothing

prevent injury.

away from all moving parts to

hands, hair

PAGE 34 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

TROUBLESHOOTING (TROWEL)

)LEWORT(GNITOOHSELBUORT.4ELBAT

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HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 35

TROUBLESHOOTING (TROWEL)

MOTPMYS MELBORPELBISSOP NOITULOS

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PAGE 36 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

TROUBLESHOOTING (ENGINE)

)ENIGNE(GNITOOHSELBUORT.5ELBAT

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HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 37

EXPLANATION OF CODES

The following section explains the different symbols and
remarks used in the Parts section of this manual. Use the
help numbers found on the back page of the manual if there
are any questions.

NOTICE

The contents and part numbers listed in the parts
section are subject to change without notice. Multiquip
does not guarantee the availability of the parts listed.

SAMPLE PARTS LIST

NO. PART NO. PART NAME QTY. REMARKS

1 12345 BOLT ......................1 .....INCLUDES ITEMS W/%

2% WASHER, 1/4 IN. ...........NOT SOLD SEPARATELY

2% 12347 WASHER, 3/8 IN. ...1 .....MQ-45T ONLY

3 12348 HOSE ..................A/R ...MAKE LOCALLY

4 12349 BEARING ..............1 .....S/N 2345B AND ABOVE

NO. Column

Unique Symbols — All items with same unique

symbol

QTY. Column

Numbers Used — Item quantity can be indicated by a

number, a blank entry, or A/R.

A/R (As Required) is generally used for hoses or other
parts that are sold in bulk and cut to length.

A blank entry generally indicates that the item is not sold
separately. Other entries will be clarified in the “Remarks”
Column.

REMARKS Column

Some of the most common notes found in the “Remarks”
Column are listed below. Other additional notes needed
to describe the item can also be shown.

Assembly/Kit — All items on the parts list with the
same unique symbol will be included when this item is
purchased.

Indicated by:

“INCLUDES ITEMS W/(unique symbol)”

(@, #, +, %, or >) in the number column belong to the
same assembly or kit, which is indicated by a note in the
“Remarks” column.

Duplicate Item Numbers — Duplicate numbers indicate
multiple part numbers, which are in effect for the same
general item, such as different size saw blade guards in
use or a part that has been updated on newer versions
of the same machine.

NOTICE

When ordering a part that has more than one item
number listed, check the remarks column for help in
determining the proper part to order.

PART NO. Column

Numbers Used — Part numbers can be indicated by a

number, a blank entry, or TBD.

TBD (To Be Determined) is generally used to show a
part that has not been assigned a formal part number
at the time of publication.

A blank entry generally indicates that the item is not sold
separately or is not sold by Multiquip. Other entries will
be clarified in the “Remarks” Column.

Serial Number Break — Used to list an effective serial
number range where a particular part is used.

Indicated by:

“S/N XXXXX AND BELOW”
“S/N XXXX AND ABOVE”
“S/N XXXX TO S/N XXX”

Specific Model Number Use — Indicates that the part
is used only with the specific model number or model
number variant listed. It can also be used to show a
part is NOT used on a specific model or model number
variant.

Indicated by:

“XXXXX ONLY”
“NOT USED ON XXXX”

“Make/Obtain Locally” — Indicates that the part can
be purchased at any hardware shop or made out of
available items. Examples include battery cables, shims,
and certain washers and nuts.

“Not Sold Separately” — Indicates that an item cannot
be purchased as a separate item and is either part of an
assembly/kit that can be purchased, or is not available
for sale through Multiquip.

PAGE 38 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HDA-SERIES TROWEL 1 TO 3 UNITS WITH HONDA
GX340K1QA2 AND GX390K1QA2 ENGINES.

1 to 3 Units

Qty. ......P/N ........................... Description

1 ...........20478 ................ GRIP, LEFT

1 ...........20463 ................ GRIP, RIGHT

2 ...........20856 ................ SAFETY SWITCH

1 ...........20285 ................ CABLE STANDARD HANDLE

1 ...........20297 ................ CABLE QUICK-PITCH™

1 ...........20435 ................ THROTTLE CABLE

4 ...........1157 A ............... BUSHING

4 ...........1162 A ............... LUBE CAP

4 ...........1167 A ............... SCREW

4 ...........1456 .................. NUT

4 ...........1875 .................. WASHER

4 ...........1322 .................. SCREW

1 ...........21046 ................ GASKET KIT

1 ...........21047 ................ BEARING KIT

4 ...........1247 .................. RUBBER GROMMET

4 ...........1245 .................. SPACER

1 ...........2827 .................. ARM (16-1/2")

4 ...........0261 .................. BELT, A-31 GATES (HDA 11 HP)

2 ...........11537 ................ BELT, HOFFCO-COMET (HDA 13 HP)

1 ...........10968 ................ THRUST COLLAR KIT

2 ...........9807955846 ...... SPARK PLUG

2 ...........17620ZH7023 ... TANK CAP

2 ...........17210ZE2505 ... AIR CLEANER ELEMENT

2 ...........17218ZE2505 ... FILTER OUTER

SUGGESTED SPARE PARTS

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 39

NAMEPLATE AND DECALS

PAGE 40 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

NAMEPLATE AND DECALS

NO. PART NO. PART NAME QTY. REMARKS

1 1758 DECAL: QUICK-PITCH
2 12405 DECAL: QUICK-PITCH
3 20527 DECAL: QUICK-PITCH™ WARNING 1
4 20526 DECAL: QUICK-PITCH™ LATCH WARNING 1

5 2942 DECAL: MQ WHITEMAN 13" 1
6 1736 DECAL: ARROWS 1
7 1735 DECAL: PRE-LOAD INDICATOR 1

8 11246 DECAL: OIL CHECK ............................................. 1 ....... PART OF DECAL KIT P/N 12620

9 NAMEPLATE .......................................................... 1 ....... CONTACT MULTIQUIP

.......................................................................................... SERVICE DEPT.

10 1940 DECAL: MQ WHITEMAN (SMALL) 1
11 11092 DECAL: CE 1
12 11246 DECAL: GEAR DRIVE 1 PART OF DECAL KIT P/N 12620
13 1492 DECAL: STANDARD HANDLE (FINISHER) 1

14 1147 DECAL: HELMET, FOOT AND GLOVE ................. 1 ....... PART OF DECAL KIT P/N 12620

15 11246 DECAL: HOT ......................................................... 1 ....... PART OF DECAL KIT P/N 12620

16 1261 DECAL: DO NOT LIFT 1
17 1848 DECAL: POWER TROWEL 1
18 2938 DECAL: METRIC 1

19 11246 DECAL: BELT DRIVE ........................................... 1 ....... PART OF DECAL KIT P/N 12620

20 2423 DECAL: MQ WHITEMAN-ENGINE 1

™ HANDLE 1
™ HANDLE INSERT 2

NOTE

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 41

SEE DECAL ILLUSTRATIONS ON PAGE 12

STANDARD HANDLE ASSY. (OLD STYLE)

3

41

40

3

4

6

5

7

8

9

1

18

17

16

21

22

DETAIL “A”

43

42

12

2

14

2

15

20

19

21

22

44

SEE

DETAIL “B”

24

30

11

1

13

31

SEE

DETAIL “A”

23

27

26

25

32

28

1

39

DETAIL

“B”

34

36

37

35

38

10

29

35

33

2

APPLY THREAD LOCK (LOCTITE

1

242 BLUE OR EQUIVALENT).

PART OF ENGINE ASSEMBLY.

2

COMPLETE HANDLE ASSY, P/N 20299

3

NO LONGER AVAILABLE. WHEN
REPLACING ENTIRE ASSY, USE P/N

22258. SEE STANDARD HANDLE ASSY.
(NEW STYLE)

28

1

PAGE 42 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

STANDARD HANDLE ASSY. (OLD STYLE)

NO. PART NO. PART NAME QTY. REMARKS

1 20478 GRIP, HANDLE 2
2 20774 COVER, PAD HANDLE 1

3 20818 DECAL, STD PITCH............................................1... .............. OBSOLETE ON LATER

.................................................................................................... MODELS

4
5
6
7
8
9
10 21172 CABLE, THROTTLE 1
11 12556 HANDLE, ADJUSTABLE 1
12 21171 THROTTLE 1
13 20439 WHEEL ASSY., HAND 1
14 1492 DECAL, CUSTOM 2 1/2 CHROME 1
15 20438 SCREW, HHC 3/8-16 X 5.00 1
16 0786 SCREW, BHC 1/4- 20 X 3/8 NYL PATCH, NP 1
17 0786 A SPACER, .360 X 17/64 X 1/8L 1
18 20287 SLIDE BLOCK TROWEL CONTROL 1
19 20285 CABLE ASSY., LENGTH 48.29” STD FINISHER 1

20 20856 SWITCH ASSY., SAFETY STOP ...........................1 .................. INCLUDES ITEM W/%

21% 1602 SCREW, RHM 10-24 X 3/8" 1
22 20988 SCREW, FHSC PHILLIPS 8-32 X 1 1/4 1
23 20514 WIRE ASSY., SAFETY STOP SWITCH 1
24 1662 TIE, CABLE TY-RAP, BLACK 1
25# 20460 BLOCK, SUPPORT 1
26# 1118 PULLEY, SUPPORT BLOCK 1
27# 20279 PIN, SUPPORT BLOCK 3/8 X 1.59 1
28 0169 SCREW, HHC 3/8-16 X 3 4
29 10136 WASHER, FLAT 3/8 SAE 4
30 12567 HANDLE, STD 1
31 2942 DECAL, MQ WHITEMAN, 13” 1
32 21173 HOUSING, CABLE 74” 1
33 20845 SWIVEL, THROTTLE CABLE 1
34 1116 NUT, BRASS JAM 5/16-18 2
35 10133 NUT, NYLOC 3/8-16 3
36 20392 BRACKET, LIFT TUBE 1

37 HANDLE, LIFT ASSY. ............................................1 ........ NO LONGER AVAILABLE

38 DECAL, CAUTION, LIFT HANDLE .........................1 ........ NO LONGER AVAILABLE

39 20461 BLOCK, CABLE ASSY. .......................................... 1 ........ INCLUDES ITEMS W/#

40 20819 HAND WHEEL ASSY., PITCH CONTROL .............. 1 ........ INCLUDES ITEMS W/

41 20299 HANDLE ASSY., STD FINISHERS. ....................... 1 ........ NO LONGER AVAILABLE

42 20301 CABLE, CNTL 5/32 GALV AIRCRAFT 46.03" 1
43 20421 CLEVIS, BALL END CONTROL CABLE 1
44 A8638 END-BOLT, CONTROL CABLE 1

20817 WHEEL, HAND HANDLE 1

*

0281 BEARING, THRUST, NICE 607 1

*

20282 BEARING, TROWEL CONTROL 1

*

0122 C SCREW, SHS 3/8-16 X 1/2 1

*

3615 COLLAR, SET 3/4 ID 1

*

1478 SHAFT, TROWEL CONTROL 1

*

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 43

STANDARD HANDLE ASSY. (NEW STYLE)

36

35

31

2

14

32

33

34

9

1

11

15

18

21

13

6

40

24

20

22

38

8

39

12

29

3

37

19

30

28

27

39

25

23

5

7

4

1

10

16

17

APPLY THREAD LOCK (LOCTITE

1

242 BLUE OR EQUIVALENT).

26

PAGE 44 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

STANDARD HANDLE ASSY. (NEW STYLE)

NO. PART NO. PART NAME QTY. REMARKS

1% 0786 SCREW, BHC 1/4-20 X 3/8 NYL PATCH ,NP 2
2% 0786A SPACER, SLIDE BLOCK GUIDE 1
3% 1116 NUT, BRASS JAM 5/16-18 2
4% 1284 SCREW, HHC 3/8-16 X 1 1/2 1
5% 3233 WASHER, FENDER, 1.5OD X 3/8ID 4
6% 9154 SCREW, HHC 3/8-16 X 1 3/4 2
7% 10133 NUT, NYLOC 3/8-16 2
8% 20285 CABLE, CONTROL 1
9% 20287 SLIDE BLOCK, TROWEL CONTROL 1
10% 20439 WHEEL ASM. , HAND 1
11% 20478 GRIP, HANDLE 2
12% 20514 WIRE ASSY., KILL SWITCH 1

13% 20819 HAND WHEEL ASSY, PITCH CONTROL ......................... 1 ......... INCLUDES ITEMS W/$

14% 20856 SWITCH ASM., KILL 1
15% 21171 THROTTLE, BICYCLE FINISHER HANDLES 1
16% 21172 CABLE, THROTTLE 68” 1
17% 21173 HOUSING, MAGURA THROTTLE CABLES 1
18% 22055 HANDLE WA, VIBRATION CONTROL 1
19% 22059 ISOLATOR, VIBRATION 80 DUROMETER SHORE A 3
20% 22095 HANDLE, W/A, STOW FIN VIBE CONTROL 1
21% 22166 COVER,VIBE CONTROL HANDLE PAD 1
22% 22167 SCREW, HHC 3/8-16 X 6.5” GRADE 5 1
23% 22206 CHASSIS, CAST VIBRATION ISOLATOR 1
24% 22256 BRACKET, HD KILLSWITCH MOUNT 2
25% 22263 SCREW, PHILLIPS HEAD MACHINE 8-32 X .75 4

26% 22226 KIT, INSTALLATION VIBE CONTROL HANDLE ................ 1 ......... INCLUDES ITEMS W/@

27%@ 20461 BLOCK, CABLE ASSY. .................................................... 1 ......... INCLUDES ITEMS W/#

28%@# 1118 PULLEY, SUPPORT BLOCK 1

29%@# 20460 BLOCK, SUPPORT 1
30%@# 20279 PIN, SUPPORT BLOCK 3/8 X 1.59 1
31%$ 20817 WHEEL, HAND HANDLE 1
32%$ 0281 BEARING, THRUST, NICE 607 1
33%$ 20282 BEARING, TROWEL CONTROL 1
34%$ 3615 COLLAR, SET 3/4 ID 1
35%$ 0122 C SCREW, SHS 3/8-16 X 1/2 1
36%$ 1478 SHAFT, TROWEL CONTROL 1
37%@ 10133 NUT, NYLOC 3/8-16 2
38%@ 10136 WASHER, FLAT 3/8 SAE 4
39%@ 0169 SCREW, HHC 3/8-16 X 3 4

40 22258 HANDLE ASSY, SXH HD .................................................. 1 ......... INCLUDES ITEMS W/%

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 45

QUICK-PITCH™ HANDLE ASSY. (OLD STYLE)

2

1

25

55

6

1

18

5

19

14

20

21

22

26

DETAIL “A”

57

7

8

9

10

ASM

54

DETAIL “B”

4

11

12

13

10

17

11

50

51

15

16

49

38

48

24

52

47

46

25

SEE
DETAIL “A”

26

45

44

42

41

2

27

23

43

40

29

39

38

58

28

37

32

60

3

59

34

SEE

DETAIL

“B”

30

33

31

1

35

53

36

33

APPLY THREAD LOCK (LOCTITE

1

242 BLUE OR EQUIVALENT).

PART OF ENGINE ASSEMBLY.

2

COMPLETE HANDLE ASSY, P/N 12645 NO

3

LONGER AVAILABLE. WHEN REPLACING
ENTIRE ASSY, USE P/N 22257. SEE QUICK
PITCH HANDLE ASSY. (NEW STYLE)

56

1

PAGE 46 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

QUICK-PITCH™ HANDLE ASSY. (OLD STYLE)

NO. PART NO. PART NAME QTY. REMARKS

1 20478 GRIP, HANDLE 2
2 20774 COVER, PAD HANDLE 1
3 10136 WASHER, FLAT 3/8 SAE 4
4 12556 HANDLE, ADJUSTABLE 1
5 20526 DECAL, LATCH WARNING 1
6 21171 THROTTLE 1
7 20527 DECAL, Q.P. WARNING 1
8
9
10
11 1729 PIN, ROLL 3/16 X 1 1/4 3
12
13
14 4568 PIN, ROLL 3/16 X 1 1
15 1711 SHAFT, CONTROL QP 1
16 1719 BUSHING, PIVOT PLATE 1
17 20439 WHEEL ASSY., HAND 1
18 20438 SCREW, HHC 3/8-16 X 5.00 1
19+ 1731 PIN, ROLL 1/4 X 3/4 1
20+ 20443 ARM, SLIDE CONTROL 1
21+ 1709 CONNECTOR, QP CONTROL ARM 1
22+ 20269 LINKAGE, QP CONTROL 1
23+ 20276 PIN, ROLL 1/4 X 1 3/4 1

24 20856 SWITCH ASSY., SAFETY STOP ...........................1 .................. INCLUDES ITEM W/

25
26 20988 SCREW, FHSC PHILLIPS 8-32 X 1 1/4 1
27 20514 WIRE ASSY., SAFETY STOP SWITCH 1
28 20297 CABLE ASSY., QP CONTROL, 45” 1
29 2942 DECAL, MQ WHITEMAN, 13” 1
30 1715 SPRING, COUNTER BALANCE 1
31 20270 BLOCK, QP ADJUSTMENT 1
32 1735 DECAL, PRELOAD TRIM INDICATOR 1
33 0169 SCREW, HHC 3/8-16 X 3 4
34 1662 TIE, CABLE, TY-RAP BLACK 1
35# 20460 BLOCK, SUPPORT 1
36# 1118 PULLEY, SUPPORT BLOCK 1
37# 20279 PIN, SUPPORT BLOCK 3/8 X 1.59 1
38 10133 NUT, NYLOC 3/8-16 3
39 1737 SNAP RING, TRUARC #5100-50 1
40 1733 WASHER, 1/2 X 1/32, HARDENED 2

20389 HANDLE, QUICK-PITCH™ 1

*

1746 TRIGGER, QP CHROMED 1

*

12405 DECAL, WHITEMAN QUICK-PITCH™ 2

*

1706 SPRING, ENCLOSED QP CLAMP 1

*

20437 PIN, QP LATCH 1

*

1602 SCREW, RHM 10-24 X 3/8 1

*

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 47

QUICK-PITCH™ HANDLE ASSY. (OLD STYLE)

2

1

25

55

6

1

18

5

19

14

20

21

22

26

DETAIL “A”

57

7

8

9

10

ASM

54

DETAIL “B”

4

11

12

13

10

17

11

50

51

15

16

49

38

48

24

52

47

46

25

SEE
DETAIL “A”

26

45

44

42

2

41

27

23

40

43

29

39

38

58

28

37

32

60

3

59

34

SEE

DETAIL

“B”

30

33

31

1

35

53

36

33

APPLY THREAD LOCK (LOCTITE

1

242 BLUE OR EQUIVALENT).

PART OF ENGINE ASSEMBLY.

2

COMPLETE HANDLE ASSY, P/N 12645 NO

3

LONGER AVAILABLE. WHEN REPLACING
ENTIRE ASSY, USE P/N 22257. SEE QUICK
PITCH HANDLE ASSY. (NEW STYLE)

56

1

PAGE 48 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

QUICK-PITCH™ HANDLE ASSY. (OLD STYLE)

NO. PART NO. PART NAME QTY. REMARKS

41 1736 DECAL, ARROW 1
42 1718 NUT, QP TRIM CONTROL ADJUST 1
43 1732 BOLT, STRIPPER 3/8 X 1/2 1
44 1717 SCREW, QP TRIM ADJUSTMENT 1
45 12642 TUBE, MAIN HANDLE 1
46 1758 DECAL, PATENT QP 1
47 20845 SWIVEL, ENGINE THROTTLE CABLE 1
48 21173 HOUSING, THROTTLE CABLE 74” 1

49 DECAL, CAUTION, LIFT HANDLE .........................1 .................. NO LONGER AVAILABLE

50 HANDLE, LIFT ASSY. ............................................1 .................. NO LONGER AVAILABLE

51 20392 BRACKET, LIFT TUBE 1
52 21172 CABLE, THROTTLE 1
53 1116 NUT, BRASS JAM 5/16-18 2

54 20390 TRIGGER, QP ASSY. ............................................ 1 .................. INCLUDES ITEMS W/

55 20293 LINKAGE, QP CONTROL ASSY. ...........................1 .................. INCLUDES ITEMS W/+

56 20461 BLOCK, CABLE ASSY. .......................................... 1 .................. INCLUDES ITEMS W/#

57 12645 HANDLE ASSY., MAIN ...........................................1 .................. NO LONGER AVAILABLE

58 20421 CLEVIS, BALL END CONTROL CABLE 1
59 A8638 END-BOLT, CONTROL CABLE 1
60 20297 CABLE, CNTL 5/32 GALV AIRCRAFT 43.19" 1

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 49

QUICK-PITCH™ HANDLE ASSY. (NEW STYLE)

17

54

25

22

36

41

6

7

32

29

19

26

38

37

39

40

16

44

45

2

43

42

12

46

15

8

47

3

33

34

21

31

4

51

20

50

5

24

52

9

1

50

10

48

49

28

23

53

18

27

11

14

35

30

13

PAGE 50 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

QUICK-PITCH™ HANDLE ASSY. (NEW STYLE)

NO. PART NO. PART NAME QTY. REMARKS

1% 1116 NUT, BRASS JAM 5/16-18 2
2% 1665 SCREW, HHC 3/8-16 X 2 2
3% 1715 Q.P. SPRING CENTER BALANCE 1
4% 1717 SCREW, QP TRIM ADJUSTMENT W/A 1
5% 1718 NUT , QP TRIM CNTL ADJUSTMENT 1
6%@ 20389 HANDLE, QP 1
7%@ 1729 PIN, ROLL 3/16 X 1-1/4 2
8% 1732 Q.P. ADJUSTMENT PIN 1
9% 1733 WASHER, 1/2 X 1/32, AN960-816L 2
10% 1737 RING, SNAP, TRUARC 5100-50 1
11% 3233 WASHER, FENDER, 1.5OD X 3/8ID 4
12%# 4568 PIN, ROLL 3/16 x 1 1
13% 9154 SCREW, HHC 3/8-16 X 1 3/4 1
14% 10133 NUT, NYLOC 3/8-16 2
15% 20270 QP ADJUSTMENT BLOCK 1

16% 20293 LINKAGE QP CONTROL ........................................................... 1 .................. INCLUDES ITEMS W/#

17% 20390 TRIGGER, QP ASSEMBLY ........................................................ 1 .................. INCLUDES ITEMS W/@

18% 20439 WHEEL ASM. , HAND 1
19% 20478 GRIP, HANDLE 2
20% 20514 WIRE ASSY., KILL SWITCH 1
21% 20856 SWITCH ASM., KILL 1
22% 21171 THROTTLE, BICYCLE FINISHER HANDLES 1
23% 21172 CABLE, THROTTLE 68” 1
24% 21173 HOUSING, MAGURA THROTTLE CABLES 1
25% 20297 CABLE ASM, LENGTH 45", JB, HD & QP 1
26% 22055 HANDLE WA, VIBRATION CONTROL 1
27% 22059 ISOLATOR, VIBRATION 80 DUROMETER SHORE A 3
28% 22060 MAIN HANDLE WA,QUICK PITCH VIBE CONTROL 1
29% 22166 COVER,VIBE CONTROL HANDLE PAD 1
30% 22167 SCREW, HHC 3/8-16 X 6.5” GRADE 5 1
31% 22206 CHASSIS, CAST VIBRATION ISOLATOR 1
32%@ 1711 SHAFT, CONTROL Q.P. 1
33% 22256 BRACKET, HD KILLSWITCH MOUNT 1
34% 22263 SCREW, PHILLIPS HEAD MACHINE 8-32 X .75 2

35% 22226 KIT, INSTALLATION VIBE CONTROL HANDLE ......................... 1 .................. INCLUDES ITEMS W/$

36%@ 12405 DECAL, WHITEMAN QUICK PITCH 2
37%@ 1729 PIN, ROLL 3/16 X 1-1/4 1
38%@ 1724 GRIP, HANDLE 1
39%@ 1706 SPRING, COMPRESSION 1
40%@ 20437 PIN, QP LATCH 1
41%@ A6581 TRIGGER, QP 1
42%# 1731 PIN, ROLL 1/4 X 3/4 1
43%# 20443 ARM, SLIDE CONTROL 1
44%# 1709 QP DOGBONE 1
45%# 20269 BLOCK, CABLE SLIDE 1
46%# 20276 PIN, ROLL 1/4 X 1-3/4 1
47%$& 22095 HANDLE, W/A, STOW FIN VIBE CONTROL 1

48%$& 20279 PIN, SUPPORT BLOCK 3/8 X 1.59 1
49%$& 1118 PULLEY, SUPPORT BLOCK 1
50%$& 0169 SCREW, HHC 3/8-16 X 3 4
51%$ 10136 WASHER, FLAT 3/8 SAE 4
52%$ 10133 NUT, NYLOC 3/8-16 2

53%$ 20461 BLOCK, CABLE ASSY. ............................................. 1............... INCLUDES ITEMS W/&

54 22257 HANDLE ASSY, QXH HD ........................................................... 1 .................. INCLUDES ITEMS W/%

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 51

4-BLADE SPIDER ASSY.

PAGE 52 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

4-BLADE SPIDER ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1
2
3
4
5% 11039 BUSHING 4
6
7
8% 1876 JAM NUT 3/8- 16 4
9
10
11% 1162 A LUBRA-CAP 4
12
13% 9005 TROWEL ARM LEVER 4
14
15
16% 11778 SPIDER PLATE ONLY 1
17% 1322 RETAINING SCREW ASSY. 4
18% 1456 HEX NUT 3/8-16 1
19% 1167 A SHSS 3/8-16 x 1-1/2” CONE POINT 1
20% 0166 A LOCK WASHER 3/8” 4

21 9150 SPIDER PLATE ASSY. ..................................................... 1 ........... INCLUDES ITEMS W/%

22*# 1471 THRUST COLLAR BUSHING 1

23 10969 THRUST BEARING KIT .................................................... 1 ........... INCLUDES ITEMS W/

12208 WEAR RING 1

*

12778 FLANGE BEARING 1

*

10816 THRUST COLLAR ............................................................. 1 ........... INCLUDES ITEMS W/#

*

9009 WEAR PLATE 1

*

% 0164 B RADIUS HEAD 3/8- 16 x 1-1/4” 4
% 1875 INT. SHKP. WASHER 3/8” 4

% 0105 HHCS 5/16- 18 x 1-1/2” 8

% 0161 C LOCK WASHER 5/16” 8

% 2829 ARM 17" LONG 4

% 4164 ROLL PIN 5/16 x 1-3/4” 4
% 9111 SPRING (RIGHT HAND) 4

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 53

GEARBOX & ENGINE MOUNTS ASSY.

PAGE 54 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

GEARBOX & ENGINE MOUNTS ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1%*12909 SEAL, OIL TCM 10172VTB-H 1
2% 2295 SCREW, HHC 1/4-20 X 7/8 8
3% 9047 FLANGE, COUNTERSHAFT 1
4%*2309 O-RING, 2-13/16" VITON 2
5%*12583 SPACER, 1.38OD X 1.06 X 1.168L 1
6%# 232 A BEARING, CUP, TIMKEN 1932 4
7%# 9045 BEARING, CONE, TIMKEN 1986 2
8% 1580 KEY, SQUARE 1
9% 12908 GEAR, WORM RH 1
10% 20540 CASE, HD GEARBOX 2" HANDLE 1
11% 1132 VENT, AIR 1
12 9048 GASKET 2
13% 9046 CAP, END 1
14% 10031 WASHER, EXT. SHKP 8
15% 0121 A FITTING, PLUG 3/8 MP SQ HEAD 3
16% 12944 SHAFT, GEARBOX (13 HP HONDA)1
16% 12943 SHAFT, GEARBOX (11 HP HONDA)1
17% 1138 RING, SNAP, TRUARC 5100-112 1
18%# 1139 KEY, WOODRUFF 1
19%# 232 BEARING, CONE TIMKEN 1985 2
20% 9181 GEAR, WORM, RH 1
21% 9179 SHAFT, MAIN OUTPUT HD 48 1
22% 9180 KEY, 5/16 X 2- 1/4 H 1
23 1238 KEY, WOODRUFF #25 1
24%*9037 SHIM, OUTPUT 1
25%*9038 O-RING, A-257 VITON 1
26% 9036 COVER, GEARBOX 1
27% 0400 B SCREW, HHC 5/16 - 18 X 1/2 1
28% 20875 SCREW, FHSC 5/16-18 X 3/4 4
29%*9041 SEAL, OIL, TCM 1
30 9027 ARM, YOKE 1
31 10136 WASHER, FLAT 3/8 SAE 4
32 0683 PIN, COTTER 3/32 2
33 9028 PIN, YOKE 1
34 7299 STATIONARY GUARD RING 1
35 1245 SPACER, GUARD RING 4
36 1951 PLATE, ENGINE MOUNT (11 HP HONDA)2
37 11541 PLATE, ENGINE MOUNT (13 HP HONDA)2
38 1247 GROMMET 1/4 X .875 ID X 1-5/8 OD 4
39 20879 GEARBOX ASSY. (11 HP HONDA) 1 INCLUDES ITEMS W/%
39 20882 GEARBOX ASSY. (13 HP HONDA) 1 INCLUDES ITEMS W/%

40 2618 GASKET/SEAL KIT .................................................1 ........ INCLUDES ITEMS W/

41 2619 BEARING KIT...................................................... 1.........INCLUDES ITEMS W/#.

42 10139 LUBRICANT, GEARBOX, 22 OZ. BOTTLE 1

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 55

ENGINE, 11 HP HONDA ASSY.

PAGE 56 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

ENGINE, 11 HP HONDA ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 1388 ENGINE 11 HP HONDA 1
2 1391 HHCS 5/16-24 x 1-1/2" 4
3 0161 C LOCK WASHER 5/16" 4
4 0300 B FLAT WASHER 5/16" 4
5 0310 SQUARE KEY 1/4X1/4X1.1/2" 1
6 2480 CLUTCH, 4" P-G 35 DEGREE 1" 1
7 1488 WIRE, SAFETY SWITCH 1
8 1475 CONNECTOR, SPLICE TAP 1
9 0261 BELT, A31 GATES HPII ONLY 2
10 2362 SPACER, 1-1/4 X .878 X .375l 1
11 9119 PULLEY, HD48 2AK54X7/8 1
12 10222 GUARD, BELT 1
13 10136 LOCK WASHER 1/4" 2
14 2724 T-BOLT 2
15 9154 SCREW, HHC 3/8 - 16 X 1-3/4 2
16 0166 A WASHER, LOCK 3/8 MED 3
17 20982 SCREW, FSCS 3/8 - 16 X 1-1/2 PLTD 2
18 1480 WASHER, CS EXT. SHKP 3/8 2
19 1951 PLATE, FRONT, 11HP HONDA 2
20 1245 BUSHING, GUARD RING 4
21 1247 GROMMET, 1/4 X 7/8ID X 1-5/8OD 4
22 9123 RETAINER, CLUTCH 1
23 9120 RETAINER, DRIVEN PULLEY 1
24 0478 SCREW, HHC 3/8 -24 X 2-1/4 1
25 2361 SPACER, 1-1/4 X .878 X .437L 1
26 1313 SCREW, FHSC 3/8 - 24 X 3/4 PLAIN 1

27 LIFT STRAP ........................................................................... 1.......... CONTACT UNIT SALES

............................................................................................................. DEPT./ACC. ITEM

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 57

ENGINE, 13 HP HONDA ASSY.

PAGE 58 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

ENGINE, 13 HP HONDA ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 3364 ENGINE 13HP HONDA 1
2 1391 HHCS 5/16-24 x 1-1/2" 4
3 0161 C LOCK WASHER 5/16" 4
4 0300 B FLAT WASHER 5/16" 4

5 11535 CLUTCH, COMET 302353C ........................... 1 ...........

6% 1304 SQUARE KEY 1
7 1488 WIRE, SAFETY SWITCH 1
8 1475 CONNECTOR, SPLICE TAP 1

9 11536 PULLEY, HOFFCO COMET 302358C ............ 1 ........... INCLUDES ITEM W/

10 1848 DECAL, BELT GUARD 1
11 11537 BELT, HOFFCO COMET #704041 1
12 11440 GUARD, BELT 1
13 0948 WASHER, FLAT 1/4" SAE 3
14 0131 A SCREW 1/4 - 20 X 3/4 3
15 1245 BUSHING, GUARD RING 4
16 1247 GROMMET, 1/4 X 7/8ID X 1-5/8OD 4
17 20982 SCREW, FSCS 3/8 - 16 X 1-1/2 PLTD 4
18 1480 WASHER, CS EXT. SHKP 3/8 4
19 11541 PLATE, ENGINE MOUNT 13HP HONDA 2

# 1580 SQUARE KEY 1

20
21 11543 SPACER, CLUTCH 1
22 11560 SPACER, KEY RETAINER 1
23 9123 RETAINER, CLUTCH 1
24 0166 A WASHER, LOCK 3/8 MED 2
25 12921 SCREW, HHC, 3/8 - 24 X 3 GRD 8 PLTD 1
26 11154 RETAINER, CENTRIFUGAL CLUTCH 1
27 1672 SCREW, HHC 3/8 - 24 X 1 1

28 LIFT STRAP ................................................... 1 ........... CONTACT UNIT SALES DEPT./ACC. ITEM

INCLUDES ITEM W/%

#

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 59

GUARD RING ASSY.

PAGE 60 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

GUARD RING ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 9178 GUARD RING ASSEMBLY 1

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 61

STABILIZER RING ASSY.

5

4

SEE DETAIL “A”

DETAIL “A”

1

4

3

1

1

2

APPLY LOCTITE 242 BLUE

1

OR EQUIVALENT.

PAGE 62 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

STABILIZER RING ASSY.

NO PART NO PART NAME QTY. REMARKS

1 0161 C WASHER, LOCK, 5/16 MED 8
2 1237 SCREW, SCH 5/16-18 X 7/8, NYL, NP 4
3 1723 ROD END, 5/16-24 MALE 4
4 6014 C NUT, HEX FINISH 5/16-24 8
5 7311 RING, STABILIZER, HD-4 1

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 63

BLADES & ARM ADJ. FIXTURE ASSY. (OPTIONS)

PAGE 64 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

BLADES & ARM ADJ. FIXTURE ASSY. (OPTIONS)

NO. PART NO. PART NAME QTY. REMARKS

20 COMBO FLOAT & FINISH BLADE ................. 4 ........CONTACT UNIT SALES DEPT./ACC. ITEM

20 ENDURO COMBO FLOAT &FINISH BLADE . 4 ........ CONTACT UNIT SALES DEPT./ACC. ITEM

21 FLOAT BLADE ...............................................4 ........ CONTACT UNIT SALES DEPT./ACC. ITEM

22 FINISH BLADE ............................................... 4 ........ CONTACT UNIT SALES DEPT./ACC. ITEM

22 ENDURO FINISH BLADE W/ROTATING ....... 4........ CONTACT UNIT SALES DEPT./ACC. ITEM

23 0202 HHCS 5/16-18X1" RING 4
24 0201 GUARD RING LUG RING 4
26 1434 TROWEL LUG (FINISH BLADE ONLY) 4
27 1162 A LUBRA-CAP 4
28 7281 STABILIZER RING 14 1/2" ARM 1
29 6014 C HEX NUT 5/16-24 8
30 1237 HHCS 5/16-18X7/8" NY-LOC 4

39 UNIVERSAL COMBO BLADE ........................ 4........ CONTACT UNIT SALES DEPT./ACC. ITEM

39 ENDURO UNIVERSAL COMBO BLADE ....... 4........ CONTACT UNIT SALES DEPT./ACC. ITEM

40 UNIVERSAL FINISH BLADE ......................... 4 ....... CONTACT UNIT SALES DEPT./ACC. ITEM

40 ENDURO UNIVERSAL FINISH BLADE ......... 4 ........ CONTACT UNIT SALES DEPT./ACC. ITEM

41 UNIVERSAL MOUNTING BAR ...................... 4........ CONTACT UNIT SALES DEPT./ACC. ITEM

42 SNAP PIN 1/4"X1.3/4" .................................... 8........ CONTACT UNIT SALES DEPT./ACC. ITEM

44 0166 A LOCK WASHER 3/8" 4

46 TROWEL ARM ADJ. FIXTURE ASSY. ............ 1 ........CONTACT UNIT SALES DEPT./ACC. ITEM

47 REVERSIBLE COMBO BLADE ...................... 4........ CONTACT UNIT SALES DEPT./ACC. ITEM

48 1723 MALE R.H. ROD END 5/16" 1

49 FLOAT DISC .................................................. 1........ CONTACT UNIT SALES DEPT./ACC. ITEM

50 FLOAT DISC LATCH PIN ...............................4 ........ CONTACT UNIT SALES DEPT./ACC. ITEM

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 65

LIFTING BAIL ASSY. (OPTION)

PAGE 66 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

LIFTING BAIL ASSY. (OPTION)

NO. PART NO. PART NAME QTY. REMARKS

1 LIFTING BAIL ASSY. (13 HP MODEL) . 1 ............ CONTACT UNIT SALES DEPT./ACC. ITEM

2 10229 HHCS 5/16-24X1" 4
3 0161 A LOCK WASHER 5/16" 4

4 LIFTING BAIL ASSY. (11 HP MODEL) . 1 ............ CONTACT UNIT SALES DEPT. /ACC. ITEM

5 2360 RUNNER, BELT (11 HP MODEL) 1

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 67

HONDA GX340K1QA2 — AIR CLEANER ASSY.

PAGE 68 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — AIR CLEANER ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 16271ZE2000 GASKET, ELBOW 1
2 17210ZE3505 ELEMENT, AIR CLEANER 1
3 17218ZE3505 FILTER, OUTER 1
4 17231ZE3W00 COVER, AIR CLEANER 1
5 17232891000 GROMMET, AIR CLEANER 1
6 17235ZH9N00 NOSE, MUFFLER 1
7
8

9 17410ZH9N00 ELBOW, AIR CLEANER ............................... 1 ........... INCLUDES ITEMS W/

11 90203ZA0800 WINGNUT, 6MM 1
12 90325044000 WINGNUT, TOOL BOX SETTING 1
13 934040602008 BOLT- WASHER, 6X20 1
14 9405006000 NUT, FLANGE (6MM) 2

17238ZE2310 COLLAR, AIR CLEANER 2

*

17239ZE1000 COLLAR B, AIR CLEANER 1

*

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 69

HONDA GX340K1QA2 — CAMSHAFT ASSY.

PAGE 70 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — CAMSHAFT ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 14100ZE3305 CAMSHAFT ASSEMBLY ............................. 1 ........... INCLUDES ITEMS W/

2 14410ZE3013 ROD, PUSH 2
3 14431ZE2010 ARM, VALVE ROCKER 2
4 14441ZE2000 LIFTER, VALVE 2
5 14451ZE1013 PIVOT, ROCKER ARM 2
6
7 14711ZE3000 VALVE, IN. 1
8 14721ZE3000 VALVE, EX. 1
9 14751ZE2003 SPRING, VALVE 2
10 14771ZE2000 RETAINER, IN. VALVE SPRING 1
11 14773ZE2000 RETAINER, EX. VALVE SPRING 1
12 14775ZE2010 SEAT, VALVE SPRING 1
13 14781ZE2000 ROTATOR, VALVE 1
14 14791ZE2010 PLATE, PUSH ROD GUIDE 1
15 90012ZE0010 BOLT, PIVOT (8MM) 2
16 90206ZE1000 NUT, PIVOT ADJ. 2

17 12209ZE8003 SEAL, VALVE STEM .................................... 1 ........... USE FROM ENGINE

14568ZE1000 SPRING, WEIGHT RETURN 1

*

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 71

HONDA GX340K1QA2 — PISTON ASSY.

PAGE 72 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — PISTON ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 13010ZE3003 RING SET, PISTON- STANDARD 1
1 13011ZE3003 RING SET, PISTON- OS 0.25 1
1 13012ZE3003 RING SET, PISTON- OS 0.50 1
1 13013ZE3003 RING SET, PPISTON- 0.75 1
2 13101ZE3W00 PISTON- STANDARD 1
2 13102ZE3W00 PISTON- OS 0.25 1
2 13103ZE3W00 PISTON- OS 0.50 1
2 13104ZE3W00 PISTON- 0.75 1
3 13111ZF6000 PIN, PISTON 1

4 13200ZE3010 ROD ASSEMBLY, CONNECTING (STD.) ..................... 1 ....... INCLUDES ITEMS W/

4 13200ZE3315 ROD ASSEMBLY, CONNECTING- US 0.25 ................. 1 ....... INCLUDES ITEMS W/

5
6 90601ZE3000 CLIP, PISTON PIN 20MM 2

90001ZE8000 BOLT, CONNECTING ROD 2

*

*
*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 73

HONDA GX340K1QA2 — CRANKCASE COVER ASSY.

PAGE 74 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — CRANKCASE COVER ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1+ 06165ZE3000 GOVERNOR KIT, ............................................... 1 ........... INCLUDES ITEMS W/

2 11300ZE3602 COVER ASSEMBLY, CRANKCASE Q- TYPE ... 1 ........... INCLUDES ITEMS W/+

3 11381ZE3801 GASKET, CASE COVER 1

4 15600ZG4003 CAP ASSEMBLY, OIL FILLER ........................... 1 ........... INCLUDES ITEMS W/$

5 15600735003 CAP ASSEMBLY, OIL FILLER ........................... 1 ........... INCLUDES ITEMS W/

7$ 15625ZE1003 GASKET, OIL FILLER CAP 1

■

8

9+ 16510ZE3000 GOVERNOR ASSEMBLY .................................. 1 ........... INCLUDES ITEMS W/%

10

+% 16511ZE8000 WEIGHT, GOVERNOR 3

*

11

+% 16512ZE3000 HOLDER, GOVERNOR WEIGHT 1

*

12

+% 16513ZE2000 PIN, GOVERNOR WEIGHT 3

*

13

+ 16531ZE2000 SLIDER, GOVERNOR 1

*

15

+ 90602ZE1000 CLIP, GOVERNOR HOLDER 1

*

16 90701HC4000 PIN, DOWEL 8X12 2
17+ 91201ZE3004 OIL SEAL 35X52X8 1
18

+ 9410106800 WASHER, PLAIN 6MM 1

*

19 957010804000 BOLT, FLANGE 8X40 7
20+ 961006202000 BEARING, RADIAL BALL 6202 1
21+ 961006207000 BEARING, RADIAL BALL 6207 1

15625ZE1003 GASKET, OIL FILLER CAP 1

*

■

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 75

HONDA GX340K1QA2 — CRANKSHAFT ASSY.

PAGE 76 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — CRANKSHAFT ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 13310ZE3601 CRANKSHAFT Q- TYPE ............................. 1 .....................INCLUDES ITEMS W/

5 13351ZE3010 WEIGHT, BALANCER 1
6 90756ZE2600 KEY 6.3X6.3X43 1
7 961006207000 BEARING, RADIAL BALL 6207 1

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 77

HONDA GX340K1QA2 — CYLINDER BARREL ASSY.

PAGE 78 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — CYLINDER BARREL ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 12000ZE3816 CYLINDER ASSEMBLY ............................... 1 ........... INCLUDES ITEMS W/

2 15510ZE2043 SWITCH ASSEMBLY, OIL LEVEL ............... 1 ........... USE FROM ENGINE

SN 2639738 TO 2786139
3 16541ZE3010 SHAFT, GOVERNOR ARM 1

4 32197ZE2003 SUB- HARNESS .......................................... 1 ........... USE UP TO ENGINE SN 2639737

5 90013883000 BOLT,FLANGE 6X12 (CT200) ....................... 1 ........... USE UP TO ENGINE SN 2639737

6 90131896650 BOLT, DRAIN PLUG 2
7 90446KE1000 WASHER 8.2X17X0.8 1
9
10
11 91353671003 O- RING 13.5X1.5 1
12 9405010000 NUT, FLANGE 10MM 1
13 9410912000 WASHER, DRAIN PLUG 12MM 2
14 9425110000 PIN, LOCK 10MM 1
15 957010601200 BOLT, FLANGE 6X12 2
16
17 90013883000 BOLT, FLANGE 6X12 (CT200) 1
18 34150ZH7003 ALERT UNIT, OIL 1

91201ZE3004 OIL SEAL 35X52X8 1

*

91201ZE9003 OIL SEAL 8X14X5 1

*

961006202000 BEARING, RADIAL BALL 6202 1

*

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 79

HONDA GX340K1QA2 — CYLINDER HEAD ASSY.

PAGE 80 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — CYLINDER HEAD ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 12200ZF6W01 CYLINDER HEAD ......................................... 1 ........... INCLUDES ITEMS W/

2
3
4
5 12251ZE3W00 GASKET, CYLINDER HEAD 1
6 12310ZE3791 COVER, HEAD 1
7 12315ZE3840 TUBE, BREATHER 1
8 12391ZE2020 GASKET, CYLINDER HEAD COVER 1
10 90014ZE2000 BOLT, HEAD COVER 1
11 90042ZE8000 BOLT, STUD 8X131.5 2

12 90047ZE2000 BOLT, STUD 8X47 ........................................ 2 ........... USE UP TO ENGINE SN 3033461

12 92900080320E BOLT 2, STUD 8X32 .................................... 2 ........... USE FROM ENGINE SN 3033462

13 90441ZE2010 WASHER, HEAD COVER 1
14 9430112200 PIN A, DOWEL 12X20 2
15 957011008000 BOLT, FLANGE 10X80 4
16 9807956846 SPARK PLUG, BPR6ES (NGK) 1

12204ZE2306 GUIDE, EX. VALVE OS (OPTIONAL) 1

*

12205ZE2305 GUIDE, EX. VALVE OS (OPTIONAL) 1

*

12216ZE2300 CLIP, VALVE GUIDE 1

*

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 81

HONDA GX340K1QA2 — FAN COVER ASSY.

PAGE 82 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — FAN COVER ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 16731ZE2003 CLIP, TUBE 1
2 19610ZE3010ZA COVER, FAN *R8* (BRIGHT RED) 1
3 19631ZE3W00 SHROUD 1

4 32197ZH8003 SUB- HARNESS .......................................... 1 ........... USE UP TO ENGINE SN 2639737

5 36100ZE1015 SWITCH ASSEMBLY, ENGINE STOP ......... 1 ........... USE UP TO ENGINE SN 2639737

5 36100ZH7003 SWITCH ASSEMBLY, ENGINE STOP ......... 1 ........... USE FROM ENGINE SN 2639738

7 90013883000 BOLT, FLANGE 6X12 (CT200) 6
8 90684ZA0601 CLIP, WIRE HARNESS 1

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 83

HONDA GX340K1QA2 — FLYWHEEL ASSY.

PAGE 84 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — FLYWHEEL ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 19511ZE3000 FAN, COOLING 1
2 28450ZE3W11 PULLEY, STARTER (SCREEN GRID) 1
4 31100ZE3701 FLYWHEEL 1

6 90201ZE3V00 NUT, SPECIAL 16MM (1) ............................. 1 ........... USE FROM ENGINE SN 2536523

6 90201ZE3790 NUT, SPECIAL 16MM .................................. 1 ........... USE UP TO ENGINE SN 2536522

7 90741ZE2000 KEY, SPECIAL WOODRUFF 25X18 1

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 85

HONDA GX340K1QA2 — FUEL TANK ASSY.

PAGE 86 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — FUEL TANK ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 16854ZH8000 RUBBER, SUPPORTER 107MM 1
2 16955ZE1000 JOINT, FUEL TANK 1
3 17510ZE3010ZA TANK, FUEL *NH31* (MCKINLEY WHITE) 1
3 17510ZE3010ZD TANK FUEL *T34* (SIMPSON BLUE) 1

5 17620ZH7023 CAP, FUEL FILLER ............................................1 ............ INCLUDES ITEMS W/

6
7 17672ZE2W01 FILTER, FUEL 1
10 91353671003 O- RING 13.5X1.5 (ARA) 1
11 9405008000 NUT, FLANGE 8MM 2
12 950014500360M BULK HOSE, FUEL (4.5X3000) (4.5X235) 1
13 9500202080 CLIP, TUBE B8 2
14 957010802500 BOLT, FLANGE 8X25 2

17631ZH7003 GASKET, FUEL FILLER CAP 1

*

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 87

HONDA GX340K1QA2 — IGNITION COIL ASSY.

PAGE 88 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — IGNITION COIL ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 30500ZE2023 COIL ASSEMBLY, IGNITION 1
2 30700ZE1013 CAP ASSEMBLY, NOISE SUPPRESSOR 1
4 31512ZE2000 GROMMET, WIRE 1
7 36101ZE2701 WIRE, STOP SWITCH 430MM 1
10 90015883000 BOLT, FLANGE 6X28 2

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 89

HONDA GX340K1QA2 — CARBURETOR ASSY.

PAGE 90 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — CARBURETOR ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1

% 16010ZE2812 GASKET SET 1

*

2
3
4

4

5
6
7
8

9 16100ZE3V00 CARBURETOR ASSEMBLY, BE85B A ........ 1 ........... INCLUDES ITEMS W/

9 16100ZE3V01 CARBURETOR ASSEMBLY, BE80B B ........ 1 ........... USEFROM ENGINE SN 2519696

9 16100ZE3V01 CARBURETOR ASSEMBLY, BE80B B ........ 1 ........... USE UP TO ENGINE SN 2519695

10
11
12
13 16173001004 GASKET, FUEL STRAINER CUP 1
14 16211ZE3000 INSULATOR, CARBURETOR 1
15 16220ZA0702 SPACER, CARBURETOR 1
16 16221ZE3800 GASKET, CARBURETOR 1
17 16223ZE3800 GASKET, INSULATOR 1
18 16610ZE1000 LEVER, CHOKE (STANDARD) 1 INCLUDES ITEMS W/+

19 16953ZE1812 LEVER, VALVE ............................................ 1 ........... USE FROM ENGINE SN BE80B B

20 16954ZE1812 PLATE, LEVER SETTING ............................ 1 ........... USE FROM ENGINE SN BE80B B

21
22
23
24
25+ 9430520122 PIN, SPRING (2X12) 1
26 99101ZH80880 JET, MAIN #88 (OPTIONAL) 1
26 99101ZH80900 JET, MAIN #90 (OPTIONAL) 1
26 99101ZH80920 JET, MAIN #92 (OPTIONAL) 1
27 99204ZE00350 JET SET, PILOT #35 1

16011ZA0931 VALVE SET, FLOAT 1

*

16013ZA0931 FLOAT SET 1

*

16015ZE2005 CHAMBER SET, FLOAT ............................... 1 ........... INCLUDES ITEMS W/%

*

16015ZE8005 CHAMBER SET, FLOAT ............................... 1 ........... INCLUDES ITEMS W/%

*

16016ZH7W01 SCREW SET 1

*

% 16024ZE1811 SCREW SET, DRAIN 1

*

16028ZE0005 SCREW SET B 1

*

16044ZE3811 CHOKE SET 1

*

16124ZE0005 SCREW, THROTTLE STOP 1

*

16166ZE3W50 NOZZLE, MAIN 1

*

16172ZE3W10 COLLAR, SET 1

*

16956ZE1811 SPRING, VALVE LEVER 1

*

16957ZE1812 GASKET, VALVE 1

*

16967ZE0811 CUP, FUEL STRAINER 1

*

93500030060H SCREW, PAN (3X6) ......................................2 ............ USE FROM ENGINE SN BE80B B

*

.................................................................................... USE UP TO ENGINE SN BE80B A

.................................................................................... USE FROM ENGINE SN BE80B B

.................................................................................... USE UP TO ENGINE SN 2519695

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 91

HONDA GX340K1QA2 — CARBURETOR ASSY.

PAGE 92 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — CARBURETOR ASSY.

NO. PART NO. PART NAME QTY. REMARKS

21
22
23
24
25+ 9430520122 PIN, SPRING (2X12) 1
26 99101ZH80880 JET, MAIN #88 (OPTIONAL) 1
26 99101ZH80900 JET, MAIN #90 (OPTIONAL) 1
26 99101ZH80920 JET, MAIN #92 (OPTIONAL) 1
27 99204ZE00350 JET SET, PILOT #35 1

16956ZE1811 SPRING, VALVE LEVER 1

*

16957ZE1812 GASKET, VALVE 1

*

16967ZE0811 CUP, FUEL STRAINER 1

*

93500030060H SCREW, PAN (3X6) ................................... 2 ......... USE FROM ENGINE SN BE80B B

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 93

HONDA GX340K1QA2 — MUFFLER ASSY.

PAGE 94 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — MUFFLER ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 18310ZE3W00 MUFFLER 1
2 18320ZE3W01 PROTECTOR, MUFFLER 1
3 18323ZE3W40 PROTECTOR, EX. PIPE 1
4 18330ZE2W00 PIPE, EX. 1
5 18331ZE3810 CAP, MUFFLER 1
6 18333ZF6W01 GASKET, EX. PIPE 1
6 18333ZK6Y00 GASKET, EX. PIPE (WACKER) 1
8 18355ZE3010 ARRESTER, SPARK 1
9 18381ZE2W10 GASKET, MUFFLER (ARRESTER) 1
11 90013883000 BOLT, FLANGE 6X12 (CT200) 1
12 90050ZE1000 SCREW, TAPPING 5X8 6
13 90055ZE1000 SCREW, TAPPING 4X6 3
14 93500060060B SCREW, PAN 6X6 1
15 9405008000 NUT, FLANGE 8MM 5

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 95

HONDA GX340K1QA2 — RECOIL STARTER ASSY.

PAGE 96 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — RECOIL STARTER ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 28400ZEW01ZA STARTER ASSY., RECOIL *R8* BGHT RED ........... 1 ...... INCLUDES ITEMS W/

2
3
4
5
6
7
8
9
10
11
12
13
14 957010600800 BOLT, FLANGE 6X8 3

28410ZE3W01ZA CASE, RECOIL STARTER *R8* BGHT RED 1

*

28421ZE3W01 PULLEY, RECOIL STARTER 1

*

28422ZE2W01 RATCHET, STARTER 2

*

28441ZE2W01 SPRING, FRICTION 1

*

28442ZE2W01 SPRING, STARTER RETURN 1

*

28443ZE2W01 SPRING, RATCHET 2

*

28444ZE2W01 RETAINER, SPRING 1

*

28445ZE2W01 HOLDER, SPRING 1

*

28461ZE2W02 GRIP, STARTER 1

*

28462ZE3W01 ROPE, RECOIL STARTER 1

*

28469ZE2W01 GRIP, REINFORCEMENT ........................................ 1 ...... USE UP TO ENG. SN 2935312

*

90004ZE2W01 SCREW, CENTER 1

*

*

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 97

HONDA GX340K1QA2 — CONTROL ASSY.

NO ART WORK

PAGE 98 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)

HONDA GX340K1QA2 — CONTROL ASSY.

NO. PART NO. PART NAME QTY. REMARKS

2 16551ZE3000 ARM, GOVERNOR 1
3 16555ZE3000 ROD, GOVERNOR 1
4 16561ZE3000 SPRING, GOVERNOR 1
5 16562ZE3000 SPRING, THROTTLE RETURN 1
7 16570ZE3W20 CONTROL ASSEMBLY, REMOTE 1
8 16571ZE3W00 LEVER, CONTROL 1
9 16574ZE1000 SPRING, LEVER 1
10 16575ZE2W00 WASHER, CONTROL LEVER 1
11 16576891000 HOLDER, CABLE 1
12 16589ZE1000 SPACER, CONTROL LEVER 1
14 16584883300 SPRING, CONTROL ADJUSTING 1
15 16592883310 SPRING, CABLE RETURN 1
17 90013883000 BOLT, FLANGE 6X12 (CT200) 2
18 90015ZE5010 BOLT, GOVERNOR ARM 1
19 90114SA0000 NUT, SELF- LOCK 6MM 1
22 93500050320A SCREW, PAN 5X32 1
23 93500050160A SCREW, PAN 5X16 1
24 9405006000 NUT, FLANGE 6MM 1

HDA-SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #9 (07/02/10) — PAGE 99

HONDA GX340K1QA2 — LABELS ASSY.

PAGE 100 — HDA-SERIES WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #9 (07/02/10)