Multiquip HPHA46411H, HPLA46411H User Manual
OPERATION AND PARTS MANUAL
SERIES
HPLA/HPHA-SERIES 46"
MODELS:
HPLA46411H
HPHA46411H
WALK-BEHIND TROWEL
(Honda GX340K1QAP2 Gasoline Engine)
Revision #6 (07/06/10)
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 20914
HPLA/HPHA-SERIES 46" TROWEL— 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.
NOTE PAGE
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 3
HPLA/HPHA-SERIES 46" TROWEL— TABLE OF CONTENTS
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
MQ WHITEMAN — HPLA/HPHA
SERIES 46" TROWEL
Controls and Components ................................. 16-17
Basic Engine ........................................................... 18
Assembly and Installation .................................. 19-21
Pre-Inspection .................................................... 22-23
Initial Start-Up (Gasoline Engine) ...................... 24-25
Operation ........................................................... 26-27
Options ............................................................... 28-29
Maintenance (Engine)........................................ 30-31
Maintenance (Trowel) ........................................ 32-36
Troubleshooting (Trowel) ................................... 37-38
Troubleshooting (Engine) ................................... 38-39
Explanation of Codes In Remarks Column ............. 40
Suggested Spare Parts ........................................... 41
Nameplate and Decals....................................... 42-43
Standard Handle Assembly ............................... 44-45
Quick Pitch™ Handle Assembly........................ 46-49
4-Blade Spider Assembly ................................... 50-51
Gearbox & Engine Mounts Assembly ................ 52-55
Engine Assembly ............................................... 56-57
Guard Ring Assembly ........................................58-59
Stabilizer Ring Assembly ................................... 60-61
Blades and Arm Adjustment Fixture Assembly .. 62-63
Lifting Bail Assembly (Option) ............................ 64-65
Honda GX340K1QAP2 Engine
Air Cleaner Assembly......................................... 66-67
Camshaft Assembly ........................................... 68-69
Carburetor Assembly ......................................... 70-71
Crankcase Cover Assembly ............................... 72-73
Control Assembly ............................................... 74-75
Cylinder Barrel Assembly ................................... 76-77
Cylinder Head Assembly .................................... 78-79
Crankshaft Assembly ......................................... 80-81
Fan Cover Assembly .......................................... 82-83
Flywheel Assembly ............................................ 84-85
Fuel Tank Assembly ........................................... 86-87
Ignition Coil Assembly ........................................ 88-89
Muffler Assembly ............................................... 90-91
Piston Assembly ................................................. 92-93
Recoil Starter Assembly..................................... 94-95
Labels Assembly ................................................ 96-97
Terms and Conditions of Sale — Parts ................... 98
NOTE
Specification and part number
are subject to change without
notice.
PAGE 4 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
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 Parts
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!
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 5
HPLA/HPHA-SERIES 46" TROWEL— TRAINING CHECKLIST
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.
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Operator _________________________________________ Trainee __________________________________________
COMMENTS:
PAGE 6 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
HPLA/HPHA-SERIES 46" TROWEL— DAILY PRE-OPERATION CHECKLIST
DAILY PRE-OPERATION CHECKLIST
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COMMENTS:
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 7
HPLA/HPHA-SERIES 46" TROWEL— SAFETY MESSAGE ALERT Y 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 HPLA/HPHA-SERIES 46" WALKBEHIND 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 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
HPLA/HPHA-SERIES 46" TROWEL— 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.
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 9
HPLA/HPHA-SERIES 46" TROWEL— 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 HPLA/HPHA-SERIES 46" walk-behind trowel.
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.
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 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
HPLA/HPHA-SERIES 46" TROWEL— 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
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 11
HPLA/HPHA-SERIES 46" TROWEL— OPERATION AND SAFETY DECALS
Machine Safety Decals
The HPLA/HPHA-SERIES 46" walk-behind trowel is equipped with a number of safety decals. These decals are provided for
operator safety and maintenance information. (Figure 1) below illustrates these decals as they appear on the machine. Should any
of these decals become unreadable, replacements can be obtained from your dealer.
CAUTION
DO NOT LIFT MACHINERY BY GUARD
RING. MAY CAUSE DAMAGE TO
GUARD RING SHOCK MOUNTS
USE LIFT HANDLES ONLY
P/N 1261
P/N 1940
C
H
T
I
™
P
-
K
C
I
U
Q
BOISE, IDAHO USA
U. S. PATENT
XXXXXXX
C
O
N
C
R
E
N
I
T
F
E
P/N 1758
H
A
N
D
L
E
R
E
H
S
I
P/N 1736
I
C
U
K
Q
P
H
I
T
C
P/N 12405
WARNING!
INJURY COULD RESULT IF FINISHER IS LIFTED
WITHOUT PITCH HANDLE FIRMLY ENGAGE
P/N 20526
WARNING!
DO NOT OPERATE HANDLE UNTIL IT IS
SECURELY FASTENED TO POWER TROWEL
& INSTRUCTIONS HAVE BEEN READ
P/N 20527
E
T
E
F
R
L
C
N
O
C
FINISHER
B
O
I
S
E
P/N 1492
,
O
O
R
P
A
S
U
O
I
H
D
A
O
W
E
R
L
E
W
O
R
T
P/N 1848
PRELOAD TRIM INDICATOR
FINISH
J
COMBO
FINISH
P/N 1735
Symbol indicates that it is mandatory to wear
safety glasses, safety helmet and ear protection.
P/N 11247
Symbol indicates that it is mandatory to wear
gloves.
P/N 11247
Radiating heat symbol. Symbol indicates equipment
is hot.
P/N 11246
Symbol for examining or checking of the machine.
Mostly used for maintenance. Check lubrication
oil in gearbox.
P/N 11246
Figure 1. HPLA/HPHA-SERIES 46" Trowel Decals
COMBO
B
(Part of decal kit 12620)
(Part of decal kit 12620)
(Part of decal kit 12620)
(Part of decal kit 12620)
GENUINE
TROWEL
P/N 2938
METRIC
MADE IN USA
NAMEPLATE
P/N1499
CONTACT MULTIQUIP
SERVICE DEPT.
Symbol indicates that it is mandatory to
wear safety shoes, with extra protection
(steel toed).
P/N 11247
This is the symbol for belt drive.
P/N 11246
This is the symbol for gear drive.
P/N 11246
(Part of decal kit 12620)
(Part of decal kit 12620)
(Part of decal kit 12620)
PAGE 12 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
HPLA/HPHA-SERIES 46" TROWEL— SPECIFICATIONS (TROWEL)
Side View
Figure 2. HPLA/HPHA-SERIES 46" 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.
snoitacificepSleworT"64seireS-AHPH/ALPH.1elbaT
)mm4.861,1(0.64
)mm1.019,1(2.57
2
)
normal
” circumstances.
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 13
HPLA/HPHA-SERIES 46" TROWEL— SPECIFICATIONS (ENGINES)
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PAGE 14 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
HPLA/HPHA-SERIES 46" TROWEL— GENERAL INFORMATION
HPLA/HPHA-SERIES 46" 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 Figure 3, 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 11.0 HP HONDA gasoline engine.
Refer to the engine owner’s manual for instructions regarding
the operation and maintenance of your engine. The engine
manual is included with your trowel at the time of shipment from
Whiteman. Please contact your nearest Multiquip Dealer for a
replacement should the original manual disappear.
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
either a centrifugal or manual clutch. See page 23.
Gearbox
The
to the
rotational speed of the trowel and is equipped with two shafts
(input and output).
Spider
of concrete slabs.
all the safety instructions carefully. Safety instructions will
gearbox
is located beneath the engine and transfers power
rotor
or
spider
assembly. The gearbox controls the
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 HPLA/HPHA-SERIES 46" 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
The vertical output shaft of the gearbox connects to a cast hub
spider
called the
that are used for attachment of blades or other accessories.
Remember as the gearbox output shaft rotates so does the spider
assembly.
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 15
. The spider has 4 arms that extend outward
HPLA/HPHA-SERIES 46" TROWEL— CONTROLS AND COMPONENTS
Figure 3. HPLA/HPHA-SERIES 46" Walk-
Behind Trowels
PAGE 16 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
HPLA/HPHA-SERIES 46" TROWEL— CONTROLS AND COMPONENTS
(Figures 3) shows the location of the basic controls or
components, for the HPLA/HPHA-SERIES 46" 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 starwheel firmly to hold 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.
15. Engine – This trowel uses an 11HP 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.
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.
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 17
INITIAL SERVICING
HPLA/HPHA-SERIES 46" TROWEL— 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
SLOW
advanced forward
FAST
).
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. Set
spark plug gap to 0.6 - 0.7 mm (0.028 - 0.031 inch) 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 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
HPLA/HPHA-SERIES 46" TROWEL — 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
handle tube
to the gearbox as shown in (Figure 5).
The mounting hardware should be contained in the shipping
container.
Figure 5. Handle Tube Installation
2. On Quick-Pitch™ models, pivot the
T-handle
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.
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
required when moving the QuickPitch™ T-handle forward or
backward.
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
1/4" (6.4mm)
of the
cable housing protrudes past the housing clamp on the
engine.
THROTTLE
CABLE END
ENGINE
THROTTLE
LEVER
SWIVEL STOP
SCREW
CABLE
HOUSING
CLAMP
CABLE HOUSING
Figure 8. Throttle Cable Connection
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 19
HPLA/HPHA-SERIES 46" TROWEL — 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. These are general instructions. 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.
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” (76mm).
Pitch Cable Installation
1. Expose the pitch cable to maximum by adjusting the handle
Figure 10. Engine Safety Stop Wire Connection
pitch to the "no pitch" position. On the standard model turn
the pitch control counter-clockwise, (Figure 11). On the
Quick-Pitch™ model, pivot the pitch handle forward or no
pitch, (Figure 12).
Safety Stop Switch Wire
Locate the
tube (Figure10) and connect it to the
Test the safety stop switch to insure proper operation.
safety stop switch wire
PAGE 20 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
protruding from the handle
tail wire
on the engine.
Figure 11. "No Pitch" Position (Standard)
Figure 12. "No Pitch" Position (Quick-Pitch™)
HPLA/HPHA-SERIES 46" TROWEL — ASSEMBLY AND INSTALLATION
Pre-load Adjustment (Quick-Pitch™ Models Only)
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
as possible.
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).
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.
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
.
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
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 21
HPLA/HPHA-SERIES 46" TROWEL— PRE-INSPECTION
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
NEVER operate the trowel
in a confined area or
enclosed area structure that
does not provide ample
flow of air
ALWAYS wear approved eye and hearing
protection before operating the trowel.
.
free
Figure 16. Engine Oil Dipstick (Removal)
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.
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.
, removing dirt and dust, particularly the
safety stop switch
be used
3. Insert and remove the dipstick without screwing it into the filler
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
Reference manufacturer engine
manual for specific servicing
instructions.
5. Check fastening nuts and bolts for tightness.
Engine Oil Check
Figure 17. Engine Oil Dipstick (Oil Level)
epyTliO.3elbaT
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.
PAGE 22 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
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HPLA/HPHA-SERIES 46" TROWEL— PRE-INSPECTION
Explosive Fuel
DANGERDANGER
DANGER
DANGERDANGER
Motor fuels are highly flammable and can be
dangerous if mishandled. DO NOT smoke
while refueling. DO NOT attempt to refuel the
trowel if the engine is
Fuel Check
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
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
plug located on the side of the gearbox. This plug will be
marked by the "
level of the lubrication oil should be to the bottom of the fill
plug.
gearbox
check
oil is low by removing the oil
" decal. See (Figure 18). The correct
hot! or running
.
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
this manual for blade pitch adjustment procedure. Replace any
worn blades.
CONTROLS
Safety Stop Switch
This trowel has been equipped with a centrifugal safety stop
switch.
(Figure 19)
Figure 19. Centrifugal Safety Stop Switch
GEARBOX
The switching mechanism of this switch should operate freely
and should
the OFF position, the engine should not star t or run. The purpose
of this switch is to stop the engine in a runaway situation, (i.e. the
operator releasing the handle during operation).
OIL SIGHT/
FILL PLUG
DRAIN
PLUG
Figure 18. Gearbox
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
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.
switches should be tested every time the engine is started.
page 25 for procedures to check the operation of the Safety Stop
Switch.
NOTE
always
be kept in this condition. With the switch in
Safety stop
See
NEVER!
safety stop switch. It is provided for
operator safety. Injury may result if it
is disable, disconnected or
improperly maintained.
disable or disconnect the
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 23
HPLA/HPHA-SERIES 46" TROWEL — INITIAL START-UP
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
This section is intended to assist the operator with the initial
start-up of the walk-behind trowel. It is extremely important that
this section be read carefully before attempting to use the trowel
in the field.
DO NOT use your trowel until this section is thoroughly
understood.
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
Starting the Engine
1. Place the engine
position.
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 11 HP 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
Using a
recommended, and is perfectly safe for the machine. Extra care
should be taken when lifting the machine off the ground, though.
Serious damage to the machine or personal injury could be
caused by dropping a trowel.
PAGE 24 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
” section in this manual for ordering information.
crane
to move a machine with a lift bail is highly
operator’s handle
flip
the trowel, thus causing
Lift bales or forklift
can be used to
(Figure 20). If
2. Move the throttle lever (Figure 22) to the "idle" position.
Optional
Figure 21. Engine Fuel Valve Lever
Figure 22. Throttle (Idle Position)
HPLA/HPHA-SERIES 46" TROWEL — 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, pull the throttle lever (Figure 27) toward
Figure 25. Starter Grip
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 25
.
Figure 26. Testing the Centrifugal Safety Stop Switch
the "
RUN
" position.
Figure 27. Throttle (Run Position)
HPLA/HPHA-SERIES 46" TROWEL — 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
Quick Pitch Handle
1. To pitch the blades upwards using the
T-handle
and pull the
the
to lay flat.
, (Figure 28) simply squeeze the trigger lock
T-handle
T-handle
towards the engine will cause the blades
” published by the
. Read the “Training”
American
"Quick-Pitch
towards the operator. Pushing
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
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™ T- Handle
Standard Handle
1. To pitch the blades upwards using the "
(Figure 29) simply turn the
star wheel counter clockwise will cause the blades to lay flat.
Figure 29. Standard Handle
star-wheel
Standard
clockwise. Turning the
" handle,
PAGE 26 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
HPLA/HPHA-SERIES 46" TROWEL — 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
WARNINGWARNING
WARNING
WARNINGWARNING
NEVER place your
rings while starting or operating this equipment.
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 27
feet
or
hands
inside the guard
WARNINGWARNING
WARNING
WARNINGWARNING
ALWAYS keep clear of
while operating this equipment.
rotating
or
moving
parts
HPLA/HPHA-SERIES 46" TROWEL — 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
NOTE
Blades should be changed when
they fail to finish concrete in a
satisfactory manner.
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.
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)
These blades (Figure 32) have been specifically designed for
finish operations with this trowel. They will provide a premium
Figure 34. Float Disk
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 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
HPLA/HPHA-SERIES 46" TROWEL — OPTIONS
Grinding Attachments
Available grinding attachments are used for grinding surface
imperfections or joints. These attachments allow greater utilization
of your trowel. (Figure 35) illustrates a typical grinding disk
assembly, complete with hub and stone mounting plate.
Figure 35. Grinding Disk
Lifting Bail
There is a heavy duty, center balance type lifting bail (Figure 36)
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.
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 37) that will adjust all of
the trowel arms consistently. The Trowel Arm Fixture P/N is 1817.
Figure 37. Trowel Arm Adjustment Fixture
Figure 36. Lifting Bail
HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 29
HPLA/HPHA-SERIES 46" TROWEL — MAINTENANCE (ENGINE)
Engine Maintenance
Perform engine maintenance procedures as referenced by
Table 4 below:
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X
QP40TH — MAINTENANCE (ENGINE)
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Reference manufacturer engine
manual for specific servicing
instructions.
PAGE 30 — HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL— OPERATION AND PARTS MANUAL — REV. #6 (07/06/10)
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