Multiquip WBH16, WBH16E User Manual
OPERATION AND PARTS MANUAL
SERIES
MODEL WBH16
(GX390RT2QTT GASOLINE ENGINE
RECOIL START)
MODEL WBH16E
(GX390RT2QNB2 GASOLINE ENGINE
ELECTRIC START)
Serial No. 110401 and ABOVE
POWER BUGGY
Revision #0 (06/14/11)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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 — WBH16/WBH16E POWER BUGGY (S/N 110401 & UP) • OPERATION AND PARTSMANUAL — REV. #0 (06/14/11)
TABLE OF CONTENTS
WBH16/WBH16E Power
Buggy
Proposition 65 Warning ........................................... 2
Table Of Contents .................................................... 3
Parts Ordering Procedures ...................................... 4
Safety Information ..............................................5-10
Specifications ...................................................11-12
Dimensions ............................................................ 13
General Information ............................................... 14
Components .......................................................... 15
Basic Engine .......................................................... 16
Inspection ......................................................... 17-18
Operation .......................................................... 19-23
Maintenance ..................................................... 24-25
Troubleshooting ................................................26-28
Hydraulic System Diagram .................................... 29
Explanation Of Code In Remarks Column............. 30
Suggested Spare Parts ......................................... 31
Component Drawings
Nameplate And Decals ..................................... 32-33
Hydraulic Drive Assy. ........................................ 34-35
Hydraulic Pump Assy. ....................................... 36-37
Hydraulic Dump Assy. ....................................... 38-39
Pump And Coupling Assy. ................................ 40-41
Tub Assy............................................................ 42-43
Panel Assy. ....................................................... 44-45
Brake Assy. ....................................................... 46-47
Steering Assy. ................................................... 48-49
Chassis Assy.....................................................50-51
Dump Pedal And Handle Assy. ......................... 52-53
Hydraulic Oil Tank Assy. .................................... 54-55
Battery Assy. (Electric Start) ............................. 56-57
Fuel Assy. ......................................................... 58-59
Engine Assy. ..................................................... 60-61
Terms And Conditions Of Sale — Parts ................ 62
NOTICE
Specifications and part numbers are subject to change
without notice.
WBH16/WBH16E POWER BUGGY (S/N 110401 & UP)• OPERATION AND PARTS MANUAL — REV. #0 (06/14/11) — PAGE 3
Ordering parts has never been easier!
If you have an MQ Account, to obtain a Username
Effective:
PARTS ORDERING PROCEDURES
Choose from three easy options:
January 1st, 2006
Best Deal!
Order via Internet (Dealers Only):
Order parts on-line using Multiquip’s SmartEquip website!
■ View Parts Diagrams
■ Order Parts
■ Print Specifi cation Information
Goto www.multiquip.com and click on
Order Parts
to log in and save!
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)
Order via Phone:
Non-Dealer Customers:
Contact your local Multiquip Dealer for
parts or call 800-427-1244 for help in
locating a dealer near you.
Domestic (US) Dealers Call:
1-800-427-1244
Use the internet and qualify for a 5% Discount
on Standard orders for all orders which include
complete part numbers.*
Fax your order in and qualify for a 2% Discount
on Standard orders for all orders which include
complete part numbers.*
International Customers should contact
their local Multiquip Representatives for
Parts Ordering information.
and Password, E-mail us at: parts@multiquip.
com.
To ob ta in an MQ Account , contac t yo ur
District Sales Manager for more information.
Note: Discounts Are Subject To Change
Note: Discounts Are Subject To Change
When ordering parts, please supply:
❒ Dealer Account Number
❒ Dealer Name and Address
❒ Shipping Address (if different than billing address)
❒ Return Fax Number
❒ Applicable Model Number
❒ 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.
❒ Specify Preferred Method of Shipment:
✓ UPS/Fed Ex ✓ DHL
■ Priority One ✓ Truck
■ Ground
■ Next Day
■ Second/Third Day
www.multiquip.com
WE ACCEPT ALL MAJOR CREDIT CARDS!
PAGE 4 — WBH16/WBH16E POWER BUGGY (S/N 110401 & UP) • OPERATION AND PARTSMANUAL — REV. #0 (06/14/11)
SAFETY INFORMATION
Do not operate or service the equipment before reading
Potential hazards associated with the operation of this
the entire manual. 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.
SAFETY MESSAGES
The four safety messages shown below will inform you
about potential hazards that could injure you or others. The
safety messages specifi cally address the level of exposure
to the operator and are preceded by one of four words:
DANGER, WARNING, CAUTION or NOTICE.
SAFETY SYMBOLS
DANGER
Indicates a hazardous situation which, if not avoided,
WILL result in DEATH or SERIOUS INJURY.
WARNING
Indicates a hazardous situation which, if not avoided,
COULD result in DEATH or SERIOUS INJURY.
equipment will be referenced with hazard symbols which
may appear throughout this manual in conjunction with
safety messages.
Symbol Safety Hazard
Lethal exhaust gas hazards
Explosive fuel hazards
Burn hazards
Rotating parts hazards
CAUTION
Indicates a hazardous situation which, if not avoided,
COULD result in MINOR or MODERATE INJURY.
NOTICE
Addresses practices not related to personal injury.
Hydraulic fluid hazards
WBH16/WBH16E POWER BUGGY (S/N 110401 & UP)• OPERATION AND PARTS MANUAL — REV. #0 (06/14/11) — PAGE 5
GENERAL SAFETY
NOTICE
This equipment should only be operated by trained and
Whenever necessary, replace nameplate, operation and
accident due to equipment modifi cations. Unauthorized
recommended by Multiquip for this equipment. Damage
keep
Also, know the phone numbers
fi re department.
SAFETY INFORMATION
CAUTION
NEVER operate this equipment without proper protective
clothing, shatterproof glasses, respiratory protection,
hearing protection, steel-toed boots and other protective
devices required by the job or city and state regulations.
Avoid wearing jewelry or loose fi tting clothes that may
snag on the controls or moving parts as this can cause
serious injury.
NEVER operate this equipment when not
feeling well due to fatigue, illness or when
under medication.
NEVER operate this equipment under the
infl uence of drugs or alcohol.
ALWAYS clear the work area of any debris, tools, etc.
that would constitute a hazard while the equipment is
in operation.
qualifi ed personnel 18 years of age and older.
safety decals when they become diffi cult read.
Manufacturer does not assume responsibility for any
equipment modifi cation will void all warranties.
NEVER use accessories or attachments that are not
to the equipment and/or injury to user may result.
ALWAYS know the location of the nearest
fi re extinguisher.
ALWAYS know the location of the nearest
fi rst aid kit.
ALWAYS know the location of the nearest phone or
a phone on the job site.
of the nearest ambulance, doctor and
This information will be invaluable in the case of an
emergency.
No one other than the operator is to be in the working
area when the equipment is in operation.
DO NOT use the equipment for any purpose other than
its intended purposes or applications.
PAGE 6 — WBH16/WBH16E POWER BUGGY (S/N 110401 & UP) • OPERATION AND PARTSMANUAL — REV. #0 (06/14/11)
SAFETY INFORMATION
POWER BUGGY SAFETY
inspect the surface over which you will travel.
Look for holes, drop-offs and obstacles. Look for rough
and weak spots on docks, ramps or fl oor. Look for oil
spills, wet spots and slippery surfaces. Look for soft soil,
deep mud and standing water. Watch for anything that
might make you lose control or cause the power buggy
clear away trash and debris. Pick up anything
operate the power buggy on unsafe haul roads,
operate power buggy on excessive slopes with
a grade higher than 10% (6°), forward and backward or
secure the step plate (platform) in the upright
position when using the power buggy over rough terrain.
stand on the power buggy step plate (platform)
when walking in rough terrain. Walk behind the power buggy.
climb on
CAUTION
DANGER
Engine fuel exhaust gases contain poisonous carbon
monoxide. This gas is colorless and odorless, and can
cause death if inhaled.
The engine of this equipment requires an adequate free
fl ow of cooling air. NEVER operate this equipment in any
enclosed or narrow area
where free fl ow of the air is
restricted. If the air fl ow is
restricted it will cause injury
to people and property and
serio u s dama g e to th e
equipment or engine.
NEVER operate the equipment in an explosive
atmosphere or near combustible materials. An
explosion or fi re could result causing severe
bodily harm or even death.
WARNING
NEVER use your hand to fi nd hydraulic leaks.
Use a piece of wood or cardboard. Hydraulic
fl uid injected into the skin must be treated by
a knowledgeable physician immediately or
severe injury or death can occur.
Accidental starting can cause severe injury
or death. ALWAYS place the ON/OFF
switch in the OFF position.
ALWAYS
to tip over.
ALWAYS
that might puncture the tires.
ALWAYS make sure aisles, ramps, doorways and
passages are clear.
DANGEROUS
GAS FUMES
ALWAYS plan your work. Make sure you know where
you will make your pickups, dumps and turns. Before
you take a load, know where you will place it.
N EVER operate the power
buggy facing backwards. In
a ba ckwards po sition, the
opera t or cannot p r o perly
acti vate the manual brake,
emergency switch, grip the
handles or steer the machine.
ALWAYS face in the direction
of the bucket.
DO NOT
load areas, and dump areas.
DO NOT
NEVER disconnect any emergency or safety devices.
These devices are intended for operator safety.
Disconnection of these devices can cause severe injury,
bodily harm or even death. Disconnection of any of these
devices will void all warranties.
NEVER approach power lines with any part of the
buggy unless all local, state/provincial and federal
side to side.
DO NOT operate power buggy on extremely uneven
surfaces.
NEVER allow riders other than the operator on the
power buggy.
ALWAYS
(OSHA) required safety precautions have been taken.
Use extreme caution when approaching high voltage
power lines.
DO NOT
DO NOT touch, lean on or reach through the dump
mechanism or permit others to do so. NEVER
the power buggy or dump mechanism.
WBH16/WBH16E POWER BUGGY (S/N 110401 & UP)• OPERATION AND PARTS MANUAL — REV. #0 (06/14/11) — PAGE 7
SAFETY INFORMATION
DO NOT operate the power buggy at excessive speeds.
ALWAYS block the power buggy with appropriate blocks
start
Make sure that the tires are infl ated to the manufacturer’s
operate the power buggy with bad or worn tires.
make sure the hydraulic dumping mechanism
Avoid sudden stops and starts and changes in direction.
jerk the steering
keep the machine in proper running condition.
The entire power buggy (tub, step plate, shroud, wheels,
etc.) should be cleaned after every use. Make sure there
store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location
out of the reach of children and unauthorized personnel.
Reckless operation may cause accidents and severe
injury. Slow down when approaching people, wet areas,
and going up and down grades. It is the responsibility of
the operator to adjust speed, as necessary, depending
on the conditions of the road or path.
ALLOW extra time to stop when operating the power
buggy ion wet surfaces or loosely graded materials.
ONLY remove the outer tires when it is necessary to
reduce the width of the power buggy in order to access
narrow work areas. If outer tires are removed, the power
buggy must only be used on level, solid surfaces such
as concrete, asphalt, or compacted stone to prevent the
power buggy from tipping. The maximum load must also
be reduced to 1000 lb.
DO NOT dump materials that are large and chunky.
These types of material may shift causing the power
buggy to tip and throw the operator off the machine. The
power buggy is intended for dumping free-fl owing and
loose materials such as dry soil, slag, and wet concrete.
DO NOT dump materials from bucket while the power
buggy is moving.
when leaving the power buggy parked on a slope.
To prevent unexpected loss of control, DO NOT
engine on a sloping surface.
Ensure that the speed control lever works freely and
returns to the closed position. DO NOT start engine
unless speed control linkage is working properly.
recommended tire pressure.
NEVER
ALWAYS replace defective tires with new ones.
ALWAYS
of the tub is working properly.
Operate the controls smoothly. DO NOT
or any other controls.
NEVER attempt to work the control except from the
operator’s position.
NEVER drive or tow the power buggy in traffi c or on
public roads.
For walk behind operation, the operator platform must be
stowed and locked in the up position. The speed should
also be reduced to 3 mph or slower.
NOTICE
ALWAYS ensure power buggy is securely placed on
appropriate blocks or jackstands when performing
maintenance requires elevation of the buggy.
ALWAYS make sure the power buggy’s brakes are
working properly. Check brake linkage and adjust as
required. NEVER operate the power buggy with a
defective braking system.
Ensure brakes are applied when leaving or when using
on a slope.
When parking on a slope, position the power buggy at
a right angle to a slope. Ensure that the parking brake
is engaged and holds the power buggy safely in place
when parking on a slope.
ALWAYS
Fix damage to machine and replace any broken parts
immediately.
is no buildup of concrete, grease, oil or debris on the
machine.
ALWAYS
PAGE 8 — WBH16/WBH16E POWER BUGGY (S/N 110401 & UP) • OPERATION AND PARTSMANUAL — REV. #0 (06/14/11)
ENGINE SAFETY
WARNING
ALWAYS use extreme caution when working with
overfi ll tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or sparks from
leave the power buggy in the vicinity of ovens,
drop the battery. There is a possibility that the
keep the battery charged. If the battery is not
charge battery if frozen. Battery can explode.
DO NOT place hands or fingers inside
engine compartment when e ngine is
running.
SAFETY INFORMATION
fl ammable liquids.
DO NOT fi ll the fuel tank while the engine is running
or hot.
DO NOT
NEVER operate the engine with heat shields or
guards removed.
Keep fi ngers, hands hair and clothing away
from all moving parts to prevent injury.
ALWAYS shut down the engine before
performing service or maintenance.
DO NOT remove the engine oil drain plug while the
engine is hot. Hot oil will gush out of the oil tank and
severely scald any persons in the general area of the
power buggy.
CAUTION
NEVER touch the hot exhaust manifold,
muffl er or cylinder. Allow these parts to cool
before servicing equipment.
Make certain the operator knows how to and is capable
of turning the engine OFF in case of an emergency.
NOTICE
NEVER run engine without an air fi lter or with a dirty air
fi lter. Severe engine damage may occur. Service air fi lter
frequently to prevent engine malfunction.
NEVER tamper with the factory settings
of the engine or engine governor. Damage
to the engine or equipment can result
if operating in speed ranges above the
maximum allowable.
the ignition system.
Store fuel in appropriate containers, in well-ventilated
areas and away from sparks and fl ames.
NEVER use fuel as a cleaning agent.
DO NOT smoke around or near the equipment.
Fire or explosion could result from fuel vapors
or if fuel is spilled on a hot engine.
DO NOT
furnaces or radiant heaters. Heat could raise the
pressure of the fuel so that vented gas could ignite.
BATTERY SAFETY (ELECTRIC START ONLY)
DANGER
DO NOT
battery will explode.
DO NOT expose the battery to open fl ames,
sparks, cigarettes, etc. The battery contains
combustible gases and liquids. If these
gases and liquids come into contact with a
fl ame or spark, an explosion could occur.
WARNING
A LWAYS wear safety glasses when
handling the battery to avoid eye irritation.
The battery contains acids that can cause
injury to the eyes and skin.
FUEL SAFETY
DANGER
DO NOT start the engine near spilled fuel or combustible
fl uids. Fuel is extremely fl ammable and its vapors can
cause an explosion if ignited.
ALWAYS refuel in a well-ventilated area, away from
sparks and open fl ames.
WBH16/WBH16E POWER BUGGY (S/N 110401 & UP)• OPERATION AND PARTS MANUAL — REV. #0 (06/14/11) — PAGE 9
Use well-insulated gloves when picking up
the battery.
ALWAYS
charged, combustible gas will build up.
DO NOT
When frozen, warm the battery to at least 61°F (16°C).
ALWAYS recharge the battery in a well-ventilated
environment to avoid the risk of a dangerous concentration
TRANSPORTING SAFETY
When transporting of the power buggy is required, place
underneath wheel to prevent rolling.
When transporting the power buggy on a truck or trailer,
pour waste, oil or fuel directly onto the ground,
of combustible gases.
SAFETY INFORMATION
NOTICE
If the battery liquid (dilute sulfuric acid)
comes into contact with clothing or skin,
rinse skin or clothing immediately with
plenty of water.
If the battery liquid (dilute sulfuric acid) comes into
contact with eyes, rinse eyes immediately with plenty
of water and contact the nearest doctor or hospital to
seek medical attention.
CAUTION
ALWAYS disconnect the NEGATIVE battery terminal
before performing service on the equipment.
ALWAYS keep battery cables in good working condition.
Repair or replace all worn cables.
LIFTING SAFETY
CAUTION
NEVER allow any person or animal to stand underneath
the equipment while lifting.
NOTICE
When lifting of the power buggy is required, use a
properly rated forklift. Forklift pockets are provided on
the power buggy's frame. Make sure the forklift arms are
insert into the power buggy's fork lift pockets a minimum
of 24-inches.Before lifting, make sure that the lifting bale
is not damaged.
ALWAYS shutdown engine before transporting.
Tighten fuel tank cap securely and close fuel cock to
prevent fuel from spilling.
the power buggy on a fl at bed truck or equivalent and
tie down securely.
ALWAYS make sure all tie-downs and block are in
place and the bucket is completely lowered in the fl at
(horizontal) position and securely latched.
Place chock blocks
know the overall height to avoid contacting overhead
obstructions such as bridges and power lines. Check
the truck and ramp capacities.
ENVIRONMENTAL SAFETY
NOTICE
Dispose of hazardous waste properly. Examples of
potentially hazardous waste are used motor
oil, fuel and fuel fi lters.
DO NOT use food or plastic containers to
dispose of hazardous waste.
DO NOT
down a drain or into any water source.
NEVER tip the engine to extreme angles during lifting as
it may cause oil to gravitate into the cylinder head, making
the engine start diffi cult.
DO NOT lift machine to unnecessary heights.
NEVER lift the equipment while the engine is running.
ALWAYS use ramps capable of supporting the weight
of the power buggy and the operator to load and unload
the power buggy.
PAGE 10 — WBH16/WBH16E POWER BUGGY (S/N 110401 & UP) • OPERATION AND PARTSMANUAL — REV. #0 (06/14/11)
SPECIFICATIONS
Table 1. Specifications (Power Buggy)
Models WBH16/WBH16E
Wheelbase 44 in. (1,117.6 mm)
Overall Length 103 in. (2,616.2 mm)
Overall Width- Dual Wheels 43.25 in. (1,098.6 mm)
Maximum Weight Capacity
(Dual Wheels)
Overall Width- Single Wheel 32 in. (813 mm)
Maximum Weight Capacity
(Single Wheel)
Overall Height 53 in. (1346.2 mm)
Operating Weight 1,200 lbs. (544.2 kg.)
Ship Weight Palletized 1,260 lbs. (585 kg.)
Bucket Capacity 16 cu. ft. Water Level (.59 cu. yd.)
Drive Hydrostatic
Speed Up to 7.25 mph. (11.67 km/h)
Steering Handle Bars To Rear Wheels
Brakes (Drive Wheels) Dynamic Hydrostatic
Parking Brake ( Drive Wheels) Mechanical
Dump Control Hydraulic Dump and Return
Discharge Height 6.0 in. (152 mm)
Ground Clearance 6.0 in. (152 mm)
Turning Radius 73.5 in. (1867 mm)
30.25 in. (738.65 mm) 2,500 lbs.
(1,136 kg)
1,100 lbs. (499 kg)
Tires ( Drive Wheels)
Tires (Steering)
WBH16/WBH16E POWER BUGGY (S/N 110401 & UP)• OPERATION AND PARTS MANUAL — REV. #0 (06/14/11) — PAGE 11
5.70 x 8.0 x 19.0 in.
(145 x 203 x 483 mm)
4.80 x 8.0 in.
(122 x 203 mm)
Table 2. Specifications (Engine)
SPECIFICATIONS
Model
Bore X Stroke
Displacement 389 cc
Maximum Power 11.7 hp (3,600 rpm)
Maximum Torque 19.5 ft-lbs. (2.7 kg-m) @ 2,500 rpm
Compression Ratio 8.0 : 1
Idle Speed 1,400 ± rpm
Maximum No Load RPM 3.850 ± rpm
Specific Fuel Consumption
Fuel Tank Capacity 5.5 gal. (20.81 liters)
Crankcase Oil Capacity 1.16 qts. (1.1 liters)
Ignition Timing BTDC25
Starting System Recoil/Electric
Air Cleaner Cyclone Type
Noise Level STD,OP 82.78 (S,S)
GX390RT2QTT (Recoil Start)
GX390RT2QNB2 (Electric Start)
3.46 x 2.51 in.
(88 x 64 mm.)
1 gal./hr.
(3.78 liters/hr.)
Dry Weight 68.3 lbs. (31.0 kg.)
Outside Dimensions L X W X H
PAGE 12 — WBH16/WBH16E POWER BUGGY (S/N 110401 & UP) • OPERATION AND PARTSMANUAL — REV. #0 (06/14/11)
15.9 x 17.7 x 17.4
(405 X 450 X 443 mm.)
DIMENSIONS
SIDE VIEW
REAR VIEW
Figure 1. WBH16/WBH16E Dimensions
WBH16/WBH16E POWER BUGGY (S/N 110401 & UP)• OPERATION AND PARTS MANUAL — REV. #0 (06/14/11) — PAGE 13
GENERAL INFORMATION
The MQ Whiteman Power Buggy, Models WBH16 (recoil
start) and WBH16E (electric start) are intended for the
transportation of concrete, concrete spreading and spot
pouring. In addition, the WBH16/WBH16E is designed for
landscaping applications, material sub-base distribution,
job site cleanup and material transport.
The Power Buggy is equipped with a 6-inch dump height
which provides clearance and enables the operator to
maneuver over any form height. In addition, it has a unique
polyethylene tub design that reduces concrete splatter.
A low center of gravity has been incorporated into the
design which provides added safety when maneuvering
the buggy in tight areas. A 5.5-gallon fuel tank allows for
extended uninterrupted use. Maximum speed of the power
buggy is rated at 7.25 MPH.
The maximum weight capacity of the Power Buggy is 2,500
lbs. (1,136 kg). The outer wheels can be removed to allow
the buggy to pass through a 32 in. (81.28 cm.) door.
Hand and foot controls are provided for ease of dumping
and stopping of the WBH16/WBH16E. Multiple lift points
have been provided to allow for easy access of a forklift
when lifting is required.
The WBH16/WBH16E is powered by a HONDA GX390
air cooled gasoline engine rated at 11.7 HP at 3600 RPM
The engine drives a variable displacement hydrostatic
transmission which is activated by a cable controlled
hand lever. The hydraulic fluid flows to a divider valve
which directs the fluid to the forward reverse and dumping
systems.
The operator controls the forward and reverse machine
travel by manually shifting the control valve which directs
the hydraulic fluid flow to the two drive wheel motors. The
flow to the dump cylinder is also controlled by a manually
operated control valve.
This hydraulic system uses a parallel loop configuration,
operating at a maximum of 1450 PSI. The system also
features a neutral position which allows the power buggy
to be moved in the event of an emergency.
The hydraulic oil is filtered by a screen type filter located in
the hydraulic tank, then doubled filtered within the system
by a 10 micron cartridge spin-on return filter.
WARNING
All operators must have training before operating the
WBH16/WBH16E. For your safety, warnings are on
the machine and in this manual. Failure to obey these
warnings can cause severe injury or even death.
CAUTION
DO NOT attempt to operate the power
buggy until the Safety Information, General
Information, and Inspection sections of this
manual have been read and thoroughly
understood.
PAGE 14 — WBH16/WBH16E POWER BUGGY (S/N 110401 & UP) • OPERATION AND PARTSMANUAL — REV. #0 (06/14/11)
Figure 2. WBH16/WBH16E Power Buggy
Components
COMPONENTS
1. Tub or Bucket — Used for the transportation of
material. Tub holds approximately 16 cubic feet
(0.59 cubic yards) of water.
2. Handle Bar (Steering) — This handle bar is used
to steer the buggy. When driving the buggy, use both
hands and hold onto both handle bar grips.
3. Kill Switch — In the event of an emergency, press this
button to stop the engine.
4. Fuel Tank/Cap — Remove this cap to add fuel. Tank
holds approximately 5.5 U.S. gallons. Do not over fill.
5. Speed Control — Sets the power buggy's travel speed.
When fully depressed, the buggy will be at FULL speed.
When released, the buggy will STOP.
6. Parking Brake Lever — When this lever is activated
(pulled down), the parking brake will be set. To release
the brake, pull the lever upwards.
7. Travel Lever — When the travel lever is pushed
forward, the buggy will travel in the forward direction.
Placing the travel lever in the backward position will
cause the buggy to travel in the reverse direction.
Center position is neutral.
8. Brake Pedal — Press this pedal with the right foot to
stop the buggy.
10. Engine — The WBH16 uses a HONDA GX390RT2QTT
(recoil start) engine. The WBH16E uses a HONDA
GX390RT2QNB2 (electric start) engine.
11. Dump Pedal — Use this pedal to place the tub in the
dump position (vertical). Press pedal a second time to
return tub to the travel position (horizontal).
12. Hydraulic Tank/Cap — Remove this cap to add
hydraulic oil. Tank holds approximately 6.0 U.S. gallons.
DO NOT over fill.
13. Forklift Pockets — Use these fork lift pockets to lift
the power buggy with a forklift. Remember to insert the
forks of the fork lift a minimum of 24 inches into power
buggy's fork lift pockets.
14. Dump Control Lever — Use this lever forward to place
the tub in the dump position (vertical), move the lever
backward to return the tub to travel position (horizontal).
15. Towing Hook — Use this hook to tow the buggy if it
gets stuck. This hook is NOT intended for towing the
buggy on public roads at high speeds.
16. Battery — Used in the electric-start power buggy
(WBH16E) only. Always use gloves and eye protection
when handling the battery.
9. Operator Platform — When the buggy is in use, the
operator shall ALWAYS stand on this platform while
holding onto the handle bar (steering).
WBH16/WBH16E POWER BUGGY (S/N 110401 & UP)• OPERATION AND PARTS MANUAL — REV. #0 (06/14/11) — PAGE 15
Figure 3. Honda GX390K1 Engine
BASIC ENGINE
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.
2. Throttle Lever — Used to adjust engine RPM speed
(lever advanced forward - SLOW, lever back toward
operator - FAST).
3. Engine ON/OFF Switch — ON position permits engine
starting, OFF position stops engine operation.
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.
6. Choke Lever — Used in the starting of a cold engine,
or in cold weather conditions. The choke enriches the
fuel mixture.
7. Air Filter — Prevents dirt and other debris from
entering the fuel system. Release the latches on
the sides of the air filter cover to gain access to filter
element.
8. Spark Plugs — Provides spark to the ignition system.
Set spark plug gap to 0.70- 0.76 mm (0.028 - 0.030 in.)
Clean spark plug once a week.
9. Muffler — Used to reduce noise and emissions.
CAUTION
Engine components can generate extreme
heat. To prevent burns, DO NOT touch
these areas while the engine is running
or immediately after operating. NEVER
op erate t he engine with the muffle r
removed.
10. Fuel Tank — Holds unleaded gasoline. For additional
information, refer to engine owner's manual.
NOTICE
Operating the engine without an air filter or with a
damaged or worn air filter will allow dirt to enter the
engine causing rapid engine wear.
PAGE 16 — WBH16/WBH16E POWER BUGGY (S/N 110401 & UP) • OPERATION AND PARTSMANUAL — REV. #0 (06/14/11)
INSPECTION
BEFORE STARTING
1. Read safety information at the beginning of manual.
2. Clean the machine, removing dirt and dust, particularly
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.
4. Check carburetor for external dirt and dust. Clean with
dry compressed air.
5. Check fastening nuts and bolts for tightness.
ENGINE OIL CHECK
1. To check the engine oil level, place the buggy on secure
level ground with the engine stopped.
2. Remove the filler cap/dipstick from the engine oil filler
hole (Figure 4) and wipe it clean.
Table 3. Oil Type
Season Temperature Oil Type
Summer 25°C or Higher SAE 10W-30
Spring/Fall 25°C~10°C SAE 10W-30/20
Winter 0°C or Lower SAE 10W-10
GASOLINE CHECK
DANGER
Motor fuels are highly flammable and can
be dangerous if mishandled. DO NOT
smoke while refueling. DO NOT attempt
to refuel the pump if the engine is hot or
running.
1. Remove the gasoline cap (Figure 6) located on top
of fuel tank.
Figure 4. Engine Oil Dipstick Removal
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 5), fill to the edge of the
oil filler hole with the recommended oil type (Table 3).
Maximum oil capacity is 400 cc.
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.
Figure 6. Fuel Tank
TIRE PRESSURE CHECK
The wheels and tires of the WBH16/WBH16E are very
important in its effective operation.
1. Check the tires regularly to make certain the lugs nuts
are tight
Figure 5. Oil Level
WBH16/WBH16E POWER BUGGY (S/N 110401 & UP)• OPERATION AND PARTS MANUAL — REV. #0 (06/14/11) — PAGE 17
2. Make sure tires are inflated to manufacturer's
suggested tire pressure. Do not operate the buggy
with bad or worn tires.
PARKING BRAKE CHECK
Check the brakes as outlined in the maintenance section
of this manual.
LINKAGE CHECK
Check and make sure that all linkages within the buggy are
functioning correctly.
STEERING CHECK
1. Check and make sure that the power buggy's steering
turns freely and that there is no binding.
2. Make sure that the zerk fitting for the steering has
been lubricated.
DUMP CYLINDER CHECK
1. Check the power buggy's dump cylinder as outlined in
the operation section of this manual.
INSPECTION
2. Make sure that both zerk fittings for the dump cylinder
have been lubricated.
HYDRAULIC OIL CHECK
3. Visually read the hydraulic sight glass (Figure 7) to see
if the hydraulic oil level is low.
4. If the hydraulic oil is low, add enough hydraulic oil to
bring oil level to a normal safe operating level.
Figure 7. Hydraulic Sight Glass
PAGE 18 — WBH16/WBH16E POWER BUGGY (S/N 110401 & UP) • OPERATION AND PARTSMANUAL — REV. #0 (06/14/11)
OPERATION
CAUTION
DO NOT attempt to operate the power
buggy until the Safety Information, General
Information, and Inspection sections of this
manual have been read and thoroughly
understood.
ELECTRIC START (WBH16E ONLY)
1. Before attempting to start the power buggy, make sure
that the safety kill switch (Figure 19) is not pushed
in. The power buggy will not start with the kill switch
engaged.
2. Place the engine fuel lever to the ON position.(Figure 8).
4. Place the choke lever (Figure 10) in the OPEN position
if starting a warm engine or the temperature is warm.
Figure 10. Engine Choke Lever (Open)
5. Move the throttle lever halfway between the FAST and
SLOW position (Figure 11) for starting.
Figure 8. Engine Fuel Lever (ON Position)
3. Place the choke lever (Figure 9) in the CLOSED
position if starting a cold engine.
Figure 9. Engine Choke Lever (Closed)
NOTICE
The CLOSED position of the choke lever enriches
the fuel mixture for starting a cold engine. The OPEN
position provides the correct fuel mixture for normal
operation after starting, and for restarting a warm
engine.
Figure 11. Throttle Lever
6. Turn the engine ON/OFF switch (Figure 12 )to the
START position and hold it until the engine starts. When
engine starts, release the key, allowing it to return to
the ON position.
F
F
O
O
N
S
T
A
R
T
Figure 12. Engine ON/OFF Switch
(Electric Start)
WBH16/WBH16E POWER BUGGY (S/N 110401 & UP)• OPERATION AND PARTS MANUAL — REV. #0 (06/14/11) — PAGE 19
OPERATION
7. Make sure the choke lever is in the OPEN position
(Figure 10) before operating the power buggy. Before
the buggy is placed into operation, run the engine for
several minutes. Check for fuel leaks, and noises that
would associate with a loose guard or cover.
RECOIL START
1. Follow steps 1 through 5 of the Electric Start procedure.
2. Place the Engine ON/OFF switch (Figure 13) in the
ON position.
F
F
O
O
N
S
T
A
R
T
OR
Figure 13. Engine ON/OFF Switch (Recoil Start)
3. Grasp the starter grip (Figure 14) 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.
PRE-CHECK
1. Engage the parking brake lever (Figure 15) and attempt
to rock the buggy back and forth. If the wheels turn
during the rocking motion, adjust the brakes as outlined
in the maintenance section of this manual.
Figure 15. Parking Brake Lever
2. Place the engine's throttle lever (Figure 11) in the slow
(idle) position.
3. Check the speed control lever (Figure 16) located on
the right side of the handle bar. The speed control
should work freely when squeezed by hand, and return
to the closed position when released.
Figure 14. Starter Grip
Figure 16. Speed Control Lever
NOTICE
DO NOT pull the starter rope all the way to the end.
DO NOT release the starter rope after pulling. Allow it
to rewind as soon as possible.
4. If the engine has started, slowly push the choke lever
inward to the RUN position. If the engine has not
started, repeat steps 1 through 3.
PAGE 20 — WBH16/WBH16E POWER BUGGY (S/N 110401 & UP) • OPERATION AND PARTSMANUAL — REV. #0 (06/14/11)
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