MULTIQUIP J36H55 Operation Manual
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MULTIQUIP J36H55 Operation Manual

Whiteman series j36 and b46 series centrifugal clutch
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OPERATION MANUAL
SERIES
MODELS
J36 AND B46 SERIES
CENTRIFUGAL CLUTCH
(INCLUDES M30H55)
(HONDA/ROBIN-SUBARU GASOLINE ENGINES)
Revision #1 (11/17/17)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
PN: 13401

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Summary of Contents for MULTIQUIP J36H55

  • Page 1 SERIES MODELS J36 AND B46 SERIES CENTRIFUGAL CLUTCH (INCLUDES M30H55) (HONDA/ROBIN-SUBARU GASOLINE ENGINES) Revision #1 (11/17/17) To find the latest revision of this publication, visit our website at: www.multiquip.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES. PN: 13401...

  • Page 2: Proposition 65 Warning

    PROPOSITION 65 WARNING Engine exhaust some its constituents, and some dust created by power sanding, sawing, grinding, drilling and other construction activities contains chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. Some examples of these chemicals are: Lead from lead-based paints.

  • Page 3: Silicosis/Respiratory Warnings

    SILICOSIS/RESPIRATORY WARNINGS WARNING WARNING SILICOSIS WARNING RESPIRATORY HAZARDS Grinding/cutting/drilling of masonry, concrete, metal and Grinding/cutting/drilling of masonry, concrete, metal and other materials with silica in their composition may give other materials can generate dust, mists and fumes off dust or mists containing crystalline silica. Silica is a containing chemicals known to cause serious or fatal basic component of sand, quartz, brick clay, granite and injury or illness, such as respiratory disease, cancer,...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS J36 and B46 Series/M30 Walk-Behind Power Trowels Proposition 65 Warning ........... 2 Silicosis/Respiratory Warnings ........ 3 Table Of Contents ............ 4 Training Checklist ............ 5 Daily Pre-Operation Checklist ......... 6 Safety Information ..........8–12 Specifications (Trowel) ........13–15 Dimensions ............

  • Page 5: Training Checklist

    TRAINING CHECKLIST Training Checklist Description Date Read operation manual completely. Machine layout, location of components, checking of engine oil level. Fuel system, refueling procedure. Operation of controls (machine not running). Safety controls, safety stop switch operation. Emergency stop procedures. Startup of machine, engine choke. Maintaining a hover.

  • Page 6: Daily Pre-Operation Checklist

    DAILY PRE-OPERATION CHECKLIST Daily Pre-Operation Checklist       Engine oil level Gearbox oil level Condition of blades Blade pitch operation Safety stop switch operation PAGE 6 — J36/B46-M30 SERIES WALK-BEHIND TROWELS • OPERATION MANUAL — REV. #1 (11/17/17)
  • Page 7 NOTES J36/B46-M30 SERIES WALK-BEHIND TROWELS • OPERATION MANUAL — REV. #1 (11/17/17) — PAGE 7...

  • Page 8: Safety Information

    SAFETY INFORMATION Do not operate or service the equipment before reading Potential hazard associated with the operation of this equipment will be referenced with hazard symbols which the entire manual. Safety precautions should be followed 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 9 „ 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 10 SAFETY INFORMATION TROWEL SAFETY „ ALWAYS keep work area clear around the trowel. DANGER Make sure it is free of debris and objects. „ Engine fuel exhaust gases contain poisonous carbon monoxide. This gas is colorless and odorless, and can cause death if inhaled.
  • Page 11 SAFETY INFORMATION „ Store fuel in appropriate containers, in well-ventilated NOTICE areas and away from sparks and fl ames. „ NEVER run engine without an air fi lter or with a dirty air „ NEVER use fuel as a cleaning agent. fi lter.

  • Page 12: Safety Information

    SAFETY INFORMATION ENVIRONMENTAL SAFETY/DECOMMISSIONING EMISSIONS INFORMATION NOTICE NOTICE Decommissioning is a controlled process used to safely The gasoline engine used in this equipment has been retire a piece of equipment that is no longer serviceable. designed to reduce harmful levels of carbon monoxide If the equipment poses an unacceptable and unrepairable (CO), hydrocarbons (HC) and nitrogen oxides (NOx) safety risk due to wear or damage or is no longer cost...

  • Page 13: Specifications (Trowel)

    SPECIFICATIONS (TROWEL) Table 1. J-Series Trowel Specifications Model J36H55/J36R60/J36S60 J36H90/J36R90 J36H90H/J36R90H M30H55 Number of Blades Ring Diameter 36 in. (914 mm) 30 in. (762 mm) Rotor RPM 60–115 60–130 90–155 60–130 Path Width 34.5 in. (876 mm) 28.67 in. (728 mm) Shipping Weight 182 lb.
  • Page 14 SPECIFICATIONS (ENGINE) Table 3. Honda Engine Specifications Honda Honda Honda Model GX160UT2QX2 GX270UTQA2 GX340U1QAP2 J36H90/J36H90H Trowel JH55C/M30H55 B46H11/B46H11H B46H90 Air-cooled, 4-stroke, single-cylinder, OHV, horizontal PTO shaft, Type gasoline engine 2.70 in. × 1.8 in. 3.0 in. × 2.3 in. 3.2 in. × 2.5 in. Bore ×...
  • Page 15 SPECIFICATIONS (EMISSIONS) Table 5. J-Series Trowel Noise and Vibration Emissions Model J36H55 J36R60 J36S60 J36H90 J36R90 J36H90H J36R90H M30H55 Guaranteed ISO Quick Pitch 90.79 11201:2010 Based Handle Sound Pressure Level at Standard Handle 90.79 Operator Station in dB(A) Quick Pitch Guaranteed ISO 104.3...

  • Page 16: Dimensions

    DIMENSIONS A A A SIDE VIEW Standard Handle Shown TOP VIEW Figure 1. Trowel Dimensions Table 7. Trowel Dimensions Model J36 Series M30H55 B46 Series (A) Height (Lifting Bale) 27 in. (686 mm) 26 in. (660 mm) 31.5 in. (800 mm) (B) Height (Handle) 41.5 in.

  • Page 17: General Information

    This checklist will your engine. If the original manual is lost or damaged, please provide an outline for an experienced operator to provide contact your nearest Multiquip dealer for a replacement. training to a new operator. Drive System Power is transferred from the engine to the gearbox input shaft via a V-belt pulley drive system.

  • Page 18: Components (Trowel)

    COMPONENTS (TROWEL) QUICK PITCH™ HANDLE (OPTION) Figure 2. Trowel Components PAGE 18 — J36/B46-M30 SERIES WALK-BEHIND TROWELS • OPERATION MANUAL — REV. #1 (11/17/17)

  • Page 19: Components (Trowel)

    Push the T-handle forward to pitch the blades flat 10. Handlebar Adjuster — Change the angle or height (no pitch). Contact Multiquip unit sales to purchase of the handlebar by loosening the star wheel. Adjust this option.
  • Page 20 COMPONENTS (ENGINE) CLOSE OPEN HONDA GX ROBIN-SUBARU EX Figure 3. Basic Engine Components INITIAL SERVICING 6. Fuel Valve Lever — Open to allow fuel to flow. Close to prevent fuel flow. The engine (Figure 3) must be checked for proper 7.

  • Page 21: Set-Up

    This section provides general instructions on how to install these components. For more detailed 1. To place the folding upper handle in the operational handle assembly intructions, contact Multiquip and position, turn the star wheel counterclockwise to request Instruction Sheet P/N 20485.
  • Page 22 (Figure 8). handle wedge kit (P/N 2576) can be purchased from 6. Feed the cable assembly through the cable housing your Multiquip dealer. clamp, return spring, and swivel stop hole, until the The wedges are placed between the handle and...
  • Page 23 SET-UP Centrifugal Safety Stop Switch Connection T-HANDLE FULL TRIGGER PITCH LOCK Connect the black tail wire from the engine to the black safety stop wire from the centrifugal stop switch as shown in Figure 10. PITCH SAFETY STOP WIRE CONNECTION POINT Figure 12.
  • Page 24 SET-UP 5. Insert the blade pitch cable end through the yoke eyelet ALIGNMENT DECAL (Figure 14). Tighten brass set nut #1 by hand to remove all slack from the cable. PRELOAD TRIM INDICATOR FINISH COMBO FINISH COMBO BLADE PITCH ADJUSTMENT SCREW CABLE SLIDER...

  • Page 25: Set-Up

    SET-UP Float Disc Installation (Optional) Installing Pans with Latch Pins Refer to Figure 17 when installing pans onto trowel blades Float discs, or pans, attach to the trowel blades and allow using latch pins. the trowel to float on wet concrete. The disc design allows early floating and easy movement from wet to dry areas.

  • Page 26: Inspection

    INSPECTION ENGINE OIL FUEL 1. Place the trowel on secure, level ground with the Remove the fuel filler cap and inspect the fuel level in the engine OFF. tank. If fuel is low, replenish with unleaded fuel. 2. Remove the dipstick (Figure 18) from the engine oil DANGER filler hole and wipe it clean.
  • Page 27 INSPECTION V-BELT V-BELT TENSION 1. Inspect the V-belt (Figure 21) to determine if it is frayed, The V-belt tension (Figure 22) is correct if the V-belt bends peeling, full of tiny cracks, has pieces of rubber missing, 10–15 mm when depressed with a finger midway between or is otherwise damaged.

  • Page 28: Inspection

    INSPECTION BLADES Inspect the trowel blades for wear or damage (Figure 24). If one blade is worn out while the others look new, there could be a blade pitch problem. Refer to the Maintenance section of this manual for the blade pitch adjustment procedure. Replace any worn or damaged blades immediately.

  • Page 29: Operation

    OPERATION Lifting Bail This section is intended to assist the operator with the initial start-up of the walk-behind trowel. It is extremely important The lifting bail provides an optimal lift point for the trowel. that this section be read carefully before attempting to use When lifting the trowel onto a concrete slab, attach a chain the trowel in the field.
  • Page 30 OPERATION 2. Place the engine ON/OFF switch in the ON position HONDA GX ROBIN-SUBARU EX (Figure 28). CHOKE CHOKE LEVER LEVER OPEN CLOSE OPEN OPEN Figure 31. Choke Lever (Open) ENGINE SWITCH Figure 28. Engine ON/OFF Switch (ON) 6. Slowly pull the starter grip (Figure 32) until resistance is felt, then pull briskly and smoothly to start the engine.
  • Page 31 OPERATION PITCHING THE BLADES 2. With the engine running at idle, place the safety stop switch lever in the OFF position (Figure 33). Verify that Standard Handle the engine shuts off. If the engine continues to run, replace the centrifugal safety stop switch. To pitch the blades upward with the standard handle (Figure 36), turn the star wheel clockwise.
  • Page 32 OPERATION MANEUVERING THE TROWEL 1. Stand in the operator’s position behind the handle. With 3. Continue to practice maneuvering the trowel as if secure footing and a firm grasp on the handle, slowly finishing a slab of concrete. Practice edging and increase the engine speed until the desired blade speed covering a large area.

  • Page 33: Operation

    OPERATION CONCRETE FINISHING TECHNIQUES 3. Place the centrifugal safety stop switch (Figure 41) in the OFF position. The instructions in this manual are provided as a basic guide to trowel operation, not a complete guide to concrete finishing. We suggest that all operators (experienced and novice) read Slabs on Ground published by the American Concrete Institute.

  • Page 34: Options

    The standard walk-behind trowel handle (Figure 43) is the Operation section of this manual for more information. equipped with a star wheel for blade pitch adjustment. Please contact Multiquip unit sales to order this option. Refer to the Operation section of this manual for more information.

  • Page 35: Options

    If replacement blades are needed, refer to the parts manual included with your trowel for part numbers, and order from Figure 47. Clip-On Float Blade your Multiquip parts dealer or importer. Float Discs (Optional) Combo Blades (Standard) Float discs, or pans (Figure 48), attach to the spider This trowel is equipped with combination float/finish blades assembly and allow the trowel to float on wet concrete.

  • Page 36: Maintenance

    MAINTENANCE Table 9. Engine Maintenance Schedule Before Every 6 Every 2 Description First Month Every Year Operation Each Months or Years or or 20 Hrs. or 300 Hrs. 100 Hrs. 500 Hrs. Check Engine Oil Change Check Air Cleaner Clean X (1) Change X ( * )
  • Page 37 MAINTENANCE Air Cleaner General maintenance practices are crucial to the performance and longevity of your trowel. This equipment requires routine cleaning, lubrication, and inspection of CAUTION components for wear or damage. ALWAYS wear personal protective Refer to Table 9 and Table 10 to schedule engine and trowel equipment such as approved safety maintenance.
  • Page 38 MAINTENANCE 3. Reinstall the drain bolt with sealing washer and tighten securely. Spark Plug 1. Remove the spark plug (Figure 53) and clean it with a wire brush if it is to be reused. Replace the spark plug if the insulator is cracked or chipped. BLOW COMPRESSED AIR FROM THE INSIDE OUT...
  • Page 39 MAINTENANCE 2. Inspect the V-belt (Figure 54) to determine if it is MUFFLER oil-soaked or glazed (a hard, shiny appearance on the PROTECTOR sides of the belt). Either of these conditions can cause EXHAUST overheating of the belt, which can weaken the belt and DEFLECTOR increase the possibility of it breaking.
  • Page 40 MAINTENANCE 3. Lubricate the Zerk grease fitting with 1 to 1½ shots NOTICE of multipurpose grade grease. DO NOT overgrease. Refer to the manufacturer's engine manual supplied Replace the Zerk fitting cap when finished. with your trowel for more detailed information about 4.
  • Page 41 MAINTENANCE 2. Pitch the blades as flat as possible (Figure 60). PITCH ADJUSTMENT The pitch adjustment bolts should barely contact BOLT LOWER (0.10 inch maximum clearance) the lower wear plate. WEAR PLATE All adjustment bolts should be spaced the same distance from the lower wear plate.
  • Page 42 MAINTENANCE Blade Replacement Trowel Arm Removal It is recommended to replace all of the trowel blades at the Refer to Figure 64. same time. If only one or some of the blades are changed, ROLL PIN the machine may wobble or bounce and will not finish concrete consistently.
  • Page 43 MAINTENANCE Trowel Arm Inspection 4. Replace any bent or uneven trowel arms. Trowel Arm Adjustment Trowel arms (Figure 65) can be damaged by rough handling such as dropping the trowel, or by striking exposed The easiest and most consistent way to adjust a trowel arm plumbing, rebar, or other objects while in operation.

  • Page 44: Maintenance

    MAINTENANCE 3. A thin shim may be required to cover the blade holes on 10. Reinstall the lower wear plate, thrust collar, and wear the trowel arm (Figure 67). Be sure to align the trowel ring onto the spider shaft in the reverse order of disassembly.

  • Page 45: Troubleshooting (Engine)

    TROUBLESHOOTING (ENGINE) 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 46: Troubleshooting (Engine)

    TROUBLESHOOTING (ENGINE) 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 47 TROUBLESHOOTING (TROWEL) Troubleshooting (Walk-Behind Trowel) Symptom Possible Problem Solution Engine ON/OFF Switch in "OFF" position Make sure that the Engine ON/OFF Switch is ON or malfunctioning? or replace switch if necessary. Centrifugal ON/OFF Switch in "OFF" Place centrifugal stop switch in "ON" position. position or malfunctioning? Check wiring.
  • Page 48 TROUBLESHOOTING (TROWEL) Troubleshooting (Walk-Behind Trowel) - continued Symptom Possible Problem Solution The main output shaft of the gearbox assembly should be checked for straightness. Main shaft? The main shaft must run straight and cannot be more than 0.003"" (0.08 mm) out of round at the spider attachment point.

  • Page 49: Wiring Diagram

    WIRING DIAGRAM CENTRIFUGAL STOP SWITCH SPARK OIL LEVEL ENGINE OIL ALERT IGNITION PLUG UNIT SWITCH STOP UNIT COIL SWITCH TRANSISTORIZED OIL LEVEL IGNITION UNIT INDICATOR CHASSIS GND. J36/B46-M30 SERIES WALK-BEHIND TROWELS • OPERATION MANUAL — REV. #1 (11/17/17) — PAGE 49...
  • Page 50 © COPYRIGHT 2017, MULTIQUIP INC. Multiquip Inc , the MQ logo and the Whiteman 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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