MULTIQUIP WBH-16F Guide

OPERATION AND PARTS MANUAL
THIS MANUAL MUST ACCOMPANYTHE EQUIPMENT AT ALLTIMES.
SERIES
MODELS
WBH-16
WBH-16E
WBH-16F
WBH-16EF
POWER BUGGY
(HONDA GX390RT2QTT RECOIL START
GX390RT2QNB2 ELECTRIC START GASOLINE ENGINES)
Revision #2 (09/12/19)
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PAGE 2 — WBH-16 SERIES POWER BUGGY • OPERATION AND PARTS MANUAL — REV. #2 (09/12/19)
PROPOSITION 65 WARNING
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WBH-16 SERIES POWER BUGGY • OPERATION AND PARTS MANUAL — REV. #2 (09/12/19) — PAGE 3
TABLE OF CONTENTS
WBH-16 Series
Power Buggy
Proposition 65 Warning ........................................... 2
Table of Contents..................................................... 3
Safety Information ............................................. 4–10
Specifications (Buggy)........................................... 11
Specifications (Engine).......................................... 12
Dimensions............................................................ 13
General Information............................................... 14
Components .......................................................... 15
Engine Components.............................................. 16
Inspection ........................................................ 17–19
Operation......................................................... 20–26
Maintenance.................................................... 27–34
Troubleshooting ............................................... 35–37
Hydraulic System Diagram .................................... 38
Hydraulic Hose Connections ................................. 39
Wiring Diagram...................................................... 40
Explanation of Code in Remarks Column.............. 42
Suggested Spare Parts ......................................... 43
Component Drawings
Nameplate and Decals Assembly.................... 44–45
Hydraulic Drive Assembly................................ 46–47
Hydraulic Pump Assembly............................... 48–49
Hydraulic Dump Assembly .............................. 50–51
Pump and Coupling Assembly ........................ 52–53
Tub Assembly .................................................. 54–55
Panel Assembly............................................... 56–57
Brake Assembly............................................... 58–59
Steering and Controls Assembly ..................... 60–61
Chassis Assembly ........................................... 62–63
Handle/Foot Dump Controls Assembly............ 64–65
Hydraulic Oil Tank Assembly ........................... 66–67
Battery Assembly............................................. 68–69
Fuel Tank Assembly (Steel)............................. 70–71
Fuel Tank Assembly (Plastic)........................... 72–73
Engine Mounting Assembly............................. 74–75
Engine Assembly............................................. 76–77
Engine Service Parts....................................... 78–79
NOTICE
Specifications and part numbers are subject to change
without notice.
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PAGE 4 — WBH-16 SERIES POWER BUGGY • OPERATION AND PARTS MANUAL — REV. #2 (09/12/19)
SAFETY INFORMATION
Do not operate or service the equipment before reading
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 specifically 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.
CAUTION
Indicates a hazardous situation which, if not avoided,
COULD result in MINOR or MODERATE INJURY.
NOTICE
Addresses practices not related to personal injury.
Potential hazards associated with the operation of this
equipment will be referenced with hazard symbols which
may appear throughout this manual in conjunction with
safety messages.
Lethal exhaust gas hazards
Explosive fuel hazards
Burn hazards
Rotating parts hazards
Symbol Safety Hazard
Hydraulic fluid hazards
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WBH-16 SERIES POWER BUGGY • OPERATION AND PARTS MANUAL — REV. #2 (09/12/19) — PAGE 5
SAFETY INFORMATION
GENERAL SAFETY
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 fitting 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
influence 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.

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.
NOTICE

This equipment should only be operated by trained and
qualified personnel 18 years of age and older.

Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.

Manufacturer does not assume responsibility for any
accident due to equipment modifications. Unauthorized
equipment modification will void all warranties.
NEVER
use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
to the equipment and/or injury to user may result.
ALWAYS know the location of the nearest
fire extinguisher.
ALWAYS know the location of the nearest
first aid kit.
ALWAYS know the location of the nearest phone or
keep
a phone on the job site.
Also, know the phone numbers
of the nearest ambulance, doctor and
fire department.
This information will be invaluable in the case of an
emergency.
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PAGE 6 — WBH-16 SERIES POWER BUGGY • OPERATION AND PARTS MANUAL — REV. #2 (09/12/19)
SAFETY INFORMATION
POWER BUGGY SAFETY
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
flow of cooling air. NEVER operate this equipment in any
enclosed or narrow area
where free flow of the air is
restricted. If the air flow is
restricted it will cause injury
to people and property and
serious damage to the
equipment or engine.

NEVER operate the equipment in an explosive
atmosphere or near combustible materials.An
explosion or fire could result causing severe
bodily harm or even death.
WARNING

NEVER use your hand to find hydraulic leaks.
Use a piece of wood or cardboard. Hydraulic
fluid 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.

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
(OSHA) required safety precautions have been taken.
Use extreme caution when approaching high voltage
power lines.
DANGEROUS
GAS FUMES
CAUTION
ALWAYS
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 floor. 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
to tip over.
ALWAYS
clear away trash and debris. Pick up anything
that might puncture the tires.
ALWAYS
make sure aisles, ramps, doorways and
passages are clear.
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.
NEVER operate the power
buggy facing backwards. In
a backwards position, the
operator cannot properly
activate the manual brake,
emergency switch, grip the
handles or steer the machine.
ALWAYS face in the direction
of the bucket.
DO NOT
operate the power buggy on unsafe haul roads,
load areas, and dump areas.
DO NOT
operate power buggy on excessive slopes with
a grade higher than 10% (6°), forward and backward.
DO NOT
operate power buggy on extremely uneven
surfaces.
NEVER
allow riders other than the operator on the
power buggy.
ALWAYS
secure the step plate (platform) in the upright
position when using the power buggy over rough terrain.
DO NOT
stand on the power buggy step plate (platform)
when walking in rough terrain.Walk behind the power buggy.
DO NOT
touch, lean on or reach through the dump
mechanism or permit others to do so. NEVER
climb on
the power buggy or dump mechanism.
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WBH-16 SERIES POWER BUGGY • OPERATION AND PARTS MANUAL — REV. #2 (09/12/19) — PAGE 7
SAFETY INFORMATION
DO NOT operate the power buggy at excessive speeds.
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.

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-flowing and
loose materials such as dry soil, slag, and wet concrete.

DO NOT dump materials from bucket while the power
buggy is moving.

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 (4.8 kph) 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.

When filling or dumping DO NOT exceed payload
capacity of power buggy.

ALWAYS be aware of traveling conditions. Reduce load
if necessary.

DO NOT activate dump mechanism (tub) if buggy is
facing a down hill slope.
DO NOT stand in front or along side the buggy when
discharging a load.
ALWAYS
block the power buggy with appropriate blocks
when leaving the power buggy parked on a slope.
To prevent unexpected loss of control, DO NOT
start
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.

Make sure that the tires are inflated to the manufacturer’s
recommended tire pressure.
NEVER
operate the power buggy with bad or worn tires.
ALWAYS replace defective tires with new ones.
ALWAYS
make sure the hydraulic dumping mechanism
of the tub is working properly.

Avoid sudden stops and starts and changes in direction.
Operate the controls smoothly. DO NOT
jerk the steering
or any other controls.
NEVER
attempt to work the control except from the
operator’s position.
NEVER
drive or tow the power buggy in traffic or on
public roads.
ALWAYS keep the machine in proper running condition.

Fix damage to machine and replace any broken parts
immediately.

The entire power buggy (tub, step plate, shroud, wheels,
etc.) should be cleaned after every use. Make sure there
is no buildup of concrete, grease, oil or debris on the
machine.
ALWAYS
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.
ALWAYS place the fuel valve lever in the OFF
position
when the equipment is not in use.
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PAGE 8 — WBH-16 SERIES POWER BUGGY • OPERATION AND PARTS MANUAL — REV. #2 (09/12/19)
SAFETY INFORMATION
ENGINE SAFETY
WARNING

DO NOT place hands or fingers inside
engine compartment when engine is
running.

NEVER operate the engine with heat shields or
guards removed.

Keep fingers, 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,
muffler 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 filter or with a dirty air
filter. Severe engine damage may occur. Service air filter
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.
FUEL SAFETY
DANGER

DO NOT start the engine near spilled fuel or combustible
fluids. Fuel is extremely flammable and its vapors can
cause an explosion if ignited.

ALWAYS refuel in a well-ventilated area, away from
sparks and open flames.
ALWAYS use extreme caution when working with
flammable liquids.
DO NOT
fill the fuel tank while the engine is running
or hot.
DO NOT
overfill tank and tighten fuel cap until you hear
"clicking", since spilled fuel could ignite if it comes into
contact with hot engine parts or sparks from the ignition
system.

Store fuel in appropriate containers, in well-ventilated
areas and away from sparks and flames.
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
leave the power buggy in the vicinity of ovens,
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
drop the battery. There is a possibility that the
battery will explode.
DO NOT expose the battery to open flames,
sparks, cigarettes, etc.The battery contains
combustible gases and liquids. If these
gases and liquids come into contact with a
flame or spark, an explosion could occur.
WARNING
ALWAYS wear safety glasses when
handling the battery to avoid eye irritation.
The battery contains acids that can cause
injury to the eyes and skin.
Use well-insulated gloves when picking up
the battery.
ALWAYS
keep the battery charged. If the battery is not
charged, combustible gas will build up.
DO NOT
charge battery if frozen. Battery can explode.
When frozen, warm the battery to at least 61°F (16°C).
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WBH-16 SERIES POWER BUGGY • OPERATION AND PARTS MANUAL — REV. #2 (09/12/19) — PAGE 9
SAFETY INFORMATION
ALWAYS recharge the battery in a well-ventilated
environment to avoid the risk of a dangerous concentration
of combustible gases.

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.

NEVER tip the engine to extreme angles during lifting as
it may cause oil to gravitate into the cylinder head, making
the engine start difficult.

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.
TRANSPORTING SAFETY
NOTICE
ALWAYS shutdown engine before transporting.

Tighten fuel tank cap securely and close fuel cock to
prevent fuel from spilling.

When transporting of the power buggy is required, place
the power buggy on a flat 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 flat
(horizontal) position and securely latched.
Place chock blocks
underneath wheel to prevent rolling.

When transporting the power buggy on a truck or trailer,
know the overall height to avoid contacting overhead
obstructions such as bridges and power lines. Check
the truck and ramp capacities.
ALWAYS place the fuel valve lever in the OFF
position
when the before transporting.
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