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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