MULTIQUIP WHITEMAN Series Operation Manual
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MULTIQUIP WHITEMAN Series Operation Manual

MULTIQUIP WHITEMAN Series Operation Manual

Power buggy
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OPERATION MANUAL
SERIES
MODELS
WBH - 16
WBH - 16E
WBH - 16F
WBH - 16EF
POWER BUGGY
(HONDA GX390RT2QTT RECOIL START
GX390RT2QNB2 ELECTRIC START GASOLINE ENGINES)
Revision #6 (10/02/23)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

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  • Page 1 WBH - 16F WBH - 16EF POWER BUGGY (HONDA GX390RT2QTT RECOIL START GX390RT2QNB2 ELECTRIC START GASOLINE ENGINES) Revision #6 (10/02/23) To find the latest revision of this publication, visit our website at: www.multiquip.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

  • Page 2: Proposition 65 Warning

    PROPOSITION 65 WARNING PAGE 2 — WBH-16EF SERIES POWER BUGGY • OPERATION MANUAL — REV. #6 (10/02/23)

  • Page 3: Table Of Contents

    TABLE OF CONTENTS WBH-16EF Series Power Buggy Proposition 65 Warning ........... 2 Safety Information ..........4–10 Lifting Procedures ..........11–13 Specifications (Buggy) ........... 14 Specifications (Engine) .......... 15 Dimensions ............16 General Information ..........17 Components ............18 Engine Components ..........19 Inspection ............

  • Page 4: Safety Information

    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 equipment will be referenced with hazard symbols which at all times when operating this equipment. may appear throughout this manual in conjunction with Failure to read and understand the safety safety messages.
  • Page 5 „ NEVER use accessories or attachments that are not „ Avoid wearing jewelry or loose fi tting clothes that may recommended by Multiquip for this equipment. Damage snag on the controls or moving parts as this can cause to the equipment and/or injury to user may result.
  • Page 6 SAFETY INFORMATION POWER BUGGY SAFETY CAUTION DANGER „ ALWAYS inspect the surface over which you will travel. Look for holes, drop-offs and obstacles. Look for rough „ Engine fuel exhaust gases contain poisonous carbon and weak spots on docks, ramps or fl oor. Look for oil monoxide.
  • Page 7 SAFETY INFORMATION „ DO NOT operate the power buggy at excessive speeds. „ DO NOT stand in front or along side the buggy when Reckless operation may cause accidents and severe discharging a load. injury. Slow down when approaching people, wet areas, „...
  • Page 8 SAFETY INFORMATION „ ALWAYS use extreme caution when working with ENGINE SAFETY fl ammable liquids. WARNING „ DO NOT fi ll the fuel tank while the engine is running „ DO NOT place hands or fingers inside or hot. engine compartment when engine is „...
  • Page 9 SAFETY INFORMATION TRANSPORTING SAFETY „ ALWAYS recharge the battery in a well-ventilated environment to avoid the risk of a dangerous concentration NOTICE of combustible gases. „ ALWAYS shutdown engine before transporting. „ If the battery liquid (dilute sulfuric acid) comes into contact with clothing or skin, „...
  • Page 10 SAFETY INFORMATION ENVIRONMENTAL SAFETY/DECOMMISSIONING EMISSIONS INFORMATION NOTICE NOTICE Decommissioning is a controlled process used to safely This equipment conforms with applicable Environmental retire a piece of equipment that is no longer serviceable. Protection Agency (EPA) and California Air Resources If the equipment poses an unacceptable and unrepairable Board (CARB) emission regulations.

  • Page 11: Lifting Procedures

    LIFTING PROCEDURES WORK SAFELY! LIFTING EQUIPMENT INSPECTION WARNING ALWAYS perform a thorough inspection of lifting chains, hooks, or slings before each use. All lifting equipment Failure to comply with these lifting and procedures must comply with Occupational Safety instructions may result in lifting equipment and Health Administration (OSHA) Regulation 29 CFR failure and severe personal injury or Part 1926.251.
  • Page 12 LIFTING PROCEDURES Sling Inspection The Occupational Safety and Health Administration (OSHA) Regulation 29 CFR Part 1926.251 (e)(8) — Removal from service requires that lifting slings be inspected prior to each use, and removed from service immediately if any of the conditions listed in Table B are found.
  • Page 13 LIFTING PROCEDURES LIFTING PROCEDURE 1. Make sure the tub is completely empty. DO NOT lift while the tub is loaded. Use the correct lifting slings or chains for the weight of your 2. Raise the tub as shown in Figure A. buggy in accordance with Occupational Safety and Health 3.

  • Page 14: Specifications (Buggy)

    SPECIFICATIONS ( BUGGY ) Table 1. Specifications (Power Buggy) Models WBH-16, WBH-16F, WBH-16E and WBH-16EF Maximum Weight Capacity 2,500 lbs. (1,134 kg) (Dual Wheels) Maximum Weight Capacity 1,100 lbs. (500 kg) (Single Wheels) Operating Weight 1,415 lbs. (641.8 kg.) Bucket/Tub Capacity 16 cu.

  • Page 15: Specifications (Engine)

    SPECIFICATIONS ( ENGINE ) Table 2. Specifications (Engine) GX390RT2QTT (Recoil Start) Model GX390RT2QNB2 (Electric Start) Type 4-Stroke Single Cylinder OHV Bore X Stroke 3.46 x 2.51 in. (88 x 64 mm.) Displacement 389 cc Maximum Power 11.7 hp (3,600 rpm) Maximum Torque 19.5 ft-lbs.

  • Page 16: Dimensions

    DIMENSIONS SIDE VIEW WBH-16 REAR Table 3. Dimensions VIEW Reference Dimension Letter in. (mm) 45.47 (1,155) 51.0 (1,295) 8.50 (216) 103 (2,612) 30.75 (781) 42.75 (1,085) Figure 1. WBH16 Series Dimensions PAGE 16 — WBH-16EF SERIES POWER BUGGY • OPERATION MANUAL — REV. #6 (10/02/23)

  • Page 17: General Information

    GENERAL INFORMATION The MQ Whiteman Power Buggy, WBH-16 Model Series The operator controls the forward and reverse machine (recoil/electric start) are intended for the transportation of travel by manually shifting the control valve which directs concrete, concrete spreading and spot pouring. In addition, the hydraulic fluid flow to the two drive wheel motors.

  • Page 18: Components

    COMPONENTS 8. 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. 9.

  • Page 19: Engine Components

    ENGINE COMPONENTS Figure 3. Honda GX390 Engine 7. Choke Lever – Used in the starting of a cold engine, INITIAL SERVICING or in cold weather conditions. The choke enriches the The engine (Figure 3) must be checked for proper fuel mixture. lubrication and filled with fuel prior to operation.

  • Page 20: Inspection

    INSPECTION BEFORE STARTING 1. Read all safety instructions at the beginning of manual. 2. Clean the unit, removing dirt and dust, particularly the UPPER LIMIT 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.
  • Page 21 INSPECTION BATTERY When connecting battery do the following: 1. NEVER connect the battery cables to the battery This unit is of negative ground DO NOT connect in reverse. terminals when the ignition is in the ON position (start). ALWAYS maintain battery fluid level between the specified marks.
  • Page 22 INSPECTION DUMP CYLINDER CHECK 1. Check the power buggy's dump cylinder as outlined in the operation section of this manual. 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 8) to see if the hydraulic oil level is low.

  • Page 23: Operation

    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 FUEL VALVE LEVER understood. ELECTRIC START (METHOD) 1. Before attempting to start the power buggy, make sure that the safety kill switch (Figure 9) is not pushed in.
  • Page 24 OPERATION 6. If starting a warm engine or the temperature is warm, 8. Place the ignition key (Figure 16 ) in the START place the choke lever (Figure 14) in the OPEN position. position and hold it until the engine starts. When the engine starts, release the key, allowing it to return back to the ON position.
  • Page 25 OPERATION RECOIL START (METHOD) PRE-CHECK 1. Follow steps 1 through 6 of the Electric Start procedure. 1. Engage the parking brake lever (Figure 19) and attempt to rock the buggy back and forth. If the wheels turn 2. Place the Engine ON/OFF switch (Figure 17) in the during the rocking motion, adjust the brakes as outlined ON position.
  • Page 26 OPERATION PARKING BRAKE/DIRECTION LEVER TRAVELING Before the power buggy can be put into operational use, 1. With the engine running and parking brake released, it is best to perform a test run to make certain that all place the direction lever (Figure 21) in the forward components are functioning properly.
  • Page 27 OPERATION STEERING To steer the buggy, use the handle bar in front of the operator platform. 1. To turn left when traveling in the forward direction, turn the handle bar clockwise (Figure 23). DISTANCE (D) TURN HANDLE BAR COUNTERCLOCKWISE HEIGHT (H) TO STEER BUGGY TO % GRADE = 100 (H¸D) THE RIGHT...
  • Page 28 OPERATION TUB (BUCKET) DUMPING 2. To return the tub to the horizontal position (Figure 27), simply release the dump control lever or remove your The hydraulic dump can be controlled by the hand dump foot from the dump pedal. control lever or foot dump pedal. 1.
  • Page 29 OPERATION EMERGENCY SHUTDOWN This power buggy is equipped with a safety kill switch. This switch is located on the right side of the handle bar. 1. Push the power buggy's kill switch inward (Figure 28) and listen for the engine to stop. KILL SWITCH (PUSH)

  • Page 30: Maintenance

    MAINTENANCE Table 5. Engine Maintenance Schedule EVERY 6 EVERY BEFORE FIRST EVERY 2 DESCRIPTION MONTHS YEAR OPERATION EACH MONTH OR YEARS OR OR 100 OR 300 500 HRS. 25 HRS. HRS. HRS. Check Engine Oil Change Engine Oil Filter Replace Every 100 Hrs.
  • Page 31 MAINTENANCE ENGINE AIR CLEANER When performing any maintenance on the power buggy or engine, follow all safety messages and rules for safe NOTICE operation stated at the beginning of this manual. Operating the engine with loose or damaged air cleaner WARNING components could allow unfiltered air into the engine causing premature wear and failure.
  • Page 32 MAINTENANCE 4. Clean foam element in warm, soapy water or IN-LINE FUEL FILTER (200 HOURS) nonflammable solvent. Rinse and dry thoroughly. Dip the element in clean engine oil and completely squeeze 1. Place the fuel tank ON/OFF valve lever (Figure 32) in the out the excess oil from the element before installing.
  • Page 33 MAINTENANCE SPARK ARRESTER CLEANING SPARK PLUG ADJUSTMENT Clean the spark arrester every 6 months or 100 hours. 1. Make sure the engine is cool before servicing the spark plugs. 1. Remove the 4 mm screw (3) from the exhaust deflector (Figure 35), then remove the deflector.
  • Page 34 MAINTENANCE ADDING HYDRAULIC OIL 5. Use the tub support rod to support the tub, then turn the engine OFF. 1. Check the hydraulic oil level in the hydraulic oil tank, 6. Remove the two bolts that secure the access by reading the hydraulic oil sight glass (Figure 38) cover(Figure 40) to the buggy frame.
  • Page 35 (Figure 45). Lubricate these zerk fittings each day before Figure 43. Hydraulic Drive Motor operating the buggy. NOTICE Contact Multiquip's Service Department should any problems develop with the hydraulic drive motors WBH-16EF SERIES POWER BUGGY • OPERATION MANUAL — REV. #6 (10/02/23) — PAGE 35...
  • Page 36 MAINTENANCE 1. Lubricate with high grade chassis lubricant at all If the power buggy tends to creep in the forward or reverse lubricating points listed below: directions after you release the speed control lever, the pump control lever requires adjustment. •...
  • Page 37 MAINTENANCE CAUTION DO NOT attempt to repair or modify a wheel. If the rim is cracked, replace the rim immediately and inspect the tire for cuts, wear and deformations. TIRE WEAR The tires (Figure 47) used on this power buggy are foam filled and therefore do not have to be inflated.

  • Page 38: Troubleshooting (Buggy)

    TROUBLESHOOTING Troubleshooting (Power Buggy) Symptom Possible Problem Solution Speed control cable out of Adjust speed control cable. Replace adjustment? cable if necessary Check hydraulic oil level. Add oil if Hydraulic oil level low.? necessary. Loss of Power. Replace hydraulic oil fi lter. Clean Contaminated hydraulic oil fi lter? system.

  • Page 39: Troubleshooting (Engine)

    TROUBLESHOOTING Troubleshooting (Engine) Symptom Possible Problem Solution Spark plug bridging? Check gap, insulation or replace spark plug. Carbon deposit on spark plug? Clean or replace spark plug. Short circuit due to defi cient spark plug Check spark plug insulation, replace if worn. insulation? Improper spark plug gap? Set to proper gap.
  • Page 40 TROUBLESHOOTING Troubleshooting (Engine) - continued Symptom Possible Problem Solution Air cleaner dirty? Clean or replace air cleaner. Improper level in carburetor? Check fl oat adjustment, rebuild carburetor. Weak in power, compression is proper and does not misfi re. Defective spark plug? Clean or replace spark plug.
  • Page 41 NOTES WBH-16EF SERIES POWER BUGGY • OPERATION MANUAL — REV. #6 (10/02/23) — PAGE 41...

  • Page 42: Hydraulic System Diagram (Eaton)

    EATON HYDRAULIC SYSTEM DIAGRAM HYDRAULIC OIL TANK HYD. OIL FILTER 200 MICRON DUMP CYLINDER SCREEN/MESH CHARGE PUMP RELIEF VALVE 1000 PS1 ± 50 EATON PUMP 17 GPM SPIN-ON RETURN FILTER 10 MICRON DIRECTION VALVE DUMP VALVE DRIVE MOTOR DRIVE MOTOR NORMALLY UP TO NORMALLY UP TO 17 GPM...

  • Page 43: Hydraulic Hose Connections (Eaton)

    EATON HYDRAULIC HOSE CONNECTIONS EATON HYDRAULIC PUMP DIRECTIONAL DUMP CONTROL VALVE CYLINDER HYDRAULIC OIL TANK FRAME HYDRAULIC OIL FILTER DUMP VALVE DRIVE MOTORS WBH-16EF SERIES POWER BUGGY • OPERATION MANUAL — REV. #6 (10/02/23) — PAGE 43...

  • Page 44: Hydraulic System Diagram (Hydro-Gear)

    HYDRO - GEAR HYDRAULIC SYSTEM DIAGRAM HYDRO-GEAR PUMP 19.6 GPM HYDRAULIC OIL TANK 21.8 cc. W/ 6 cc AUX, PUMP HYD. OIL FILTER 200 MICRON SCREEN/MESH CHARGE IN LINE FILTER PUMP 149 MESH DIRECTION VALVE DUMP CYLINDER DRIVE MOTOR DRIVE MOTOR NORMALLY UP TO NORMALLY UP TO 17 GPM...

  • Page 45: Hydraulic Hose Connections (Hydro-Gear)

    HYDRO - GEAR HYDRAULIC HOSE CONNECTIONS NOTES: HOSE COLORS ARE FOR CLARITY ONLY. IN-LINE FILTER 149 MESH HYDRO-GEAR HYDRAULIC PUMP DIRECTIONAL CONTROL VALVE HYDRAULIC OIL TANK DUMP CYLINDER HYDRAULIC OIL FILTER DUMP VALVE DRIVE MOTORS WBH-16EF SERIES POWER BUGGY • OPERATION MANUAL — REV. #6 (10/02/23) — PAGE 45...

  • Page 46: Wiring Diagram (Engine)

    WIRING DIAGRAM ( ENGINE ) IGNITION SWITCH POSITION CIRCUIT MAKE G+M+A BLK 16 AWG BLK 16 AWG B+L+A B+L+S START SPARK PLUG OIL LEVEL SWITCH IGNITION SWITCH SWITCH OIL LEVEL ENGINE BLK 16 AWG POSITION UNIT NORMAL OPEN LOW LEVEL CLOSED IGNITION CHASSIS...
  • Page 47 NOTES WBH-16EF SERIES POWER BUGGY • OPERATION MANUAL — REV. #6 (10/02/23) — PAGE 47...
  • Page 48 © COPYRIGHT 2023, MULTIQUIP INC. Multiquip Inc , the MQ logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property of their respective owners and used with permission.

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