MULTIQUIP js36h55 Operation And Parts Manual
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MULTIQUIP js36h55 Operation And Parts Manual

Walk-behind trowel
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OperatiOn and parts Manual
MOdel js36h55
MOdel js36h90
MOdel js36le
walk-behind trOwel
(hOnda GX160ut2QX2/GX270ut2Qa2
GasOline enGines)
Revision #4 (11/01/13)
Original Version
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
P/N 22902

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  • Page 1 OperatiOn and parts Manual MOdel js36h55 MOdel js36h90 MOdel js36le walk-behind trOwel (hOnda GX160ut2QX2/GX270ut2Qa2 GasOline enGines) Revision #4 (11/01/13) Original Version 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: Fuel And Chemical Exposure Warnings

    fuel and chemical exposure Warnings Gasoline 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.

  • 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

    Js36h55/Js36h90/Js36le component drawings WalK-behind troWel Nameplate and Decals Assembly ..... 46-47 Standard Handle Assembly ......48-49 Fuel and Chemical Exposure Warnings ....2 Quick-Pitch Handle Assembly (Option) .... 50-51 Silicosis/Respiratory Warnings ........ 3 Guard Assembly ..........52-53 Table Of Contents ............

  • 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 — jS36 SeRIeS WaLK-BeHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #4 (11/01/13)

  • Page 7: 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 8: General Safety

    „ 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 9 safety information TrOwEL SafETy NOTICE „ aLwayS keep the machine in proper running condition. daNgEr „ Fix damage to machine and replace any broken parts „ Engine fuel exhaust gases contain poisonous carbon immediately. monoxide. This gas is colorless and odorless, and can cause death if inhaled.

  • Page 10: Fuel Safety

    safety information FUeL SaFeTy TraNSpOrTiNg SafETy daNgEr CaUTION „ DO NOT add fuel to equipment if it is placed inside „ NeveR allow any person or animal to truck bed with plastic liner. Possibility exists of explosion stand underneath the equipment while or fi re due to static electricity.
  • Page 11 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 12: Trowel Specifications/Dimensions

    A–Height (Lifting Bale) –mm (in.) 686 (27) Path Width – mm (in.) 914 (36) B–Height (Handle) – mm (in.) Standard 950 (37.4) Rotor – RPM (Dry Concrete) JS36H55 60-115 Rotor – RPM (Dry Concrete) JS36H90 90-155 Quick Pitch™ 1,067 (42) C–Width (Ring Diameter) –...

  • Page 13: Engine Specifications

    Table 2. jS36H55 Noise and vibration emissions model jS36H55 Guaranteed ISO 11201:2010 Based 92.34 Sound Pressure Level at Operator Station in dB(A) Guaranteed ISO 3744:2010 Based 110.48 Sound Power Level in dB(A) Standard Handle (SXHP) 0.71 Hand-Arm Vibration Per ISO 5349-1:...

  • Page 14: General Information

    NEVER attempt to lift the trowel by yourself. ALWAYS get instructions regarding the operation and maintenance of the assistance of another person to help lift the trowel. your engine. Please contact your nearest Multiquip Dealer for a replacement should the original manual disappear or TraiNiNg otherwise become unusable.

  • Page 15: Trowel Components

    troWel components QUICK PITCH ™ HANDLE (OPTION) 9. handlebar adjuster — Change the angle/height of the handle bars by loosening star wheel, adjust handlebars to desired location, tighten starwheel firmly to hold handlebars in that position. Figure 2. Trowel Control and Components 10.

  • Page 16: Engine Components

    engine components INITIaL SeRvICINg Figure 3. Engine Controls and Components The engine (Figure 3) must be checked for proper 6. air cleaner – Prevents dirt and other debris from lubrication and filled with fuel prior to operation. Refer to the entering the fuel system.

  • Page 17: Assembly And Installation

    This section provides general instructions on how ordering P/N 2576 from your Multiquip dealer. to install those components. Instruction sheet P/N 20485 These wedges are placed between the handle and the provides further details for the handle assembly.

  • Page 18: Assembly And Installation

    assembly and installation pitch cable installation 7. Adjustment of the throttle cable tension may be required. If so, loosen the adjusting nut (top nut) on 1. For Standard Handle models expose the pitch cable the throttle cable receiver (Figure 7) and loosen or to maximum by turning the blade pitch star wheel tighten the locking nut (bottom nut).

  • Page 19: Inspection

    inspection 4. Align the groove on the slider with the text 36" COMBO/ "J" COMBO on the decal. The letter "J" stands for J-36 Walk-Behind Trowel BLADE PITCH CaUTION CABLE aLwayS wear approved eye and hearing protection before operating the trowel. YOKE YOKE EYELET...
  • Page 20 inspection gearbox Oil 4. If the oil level is low (Figure 16), fill to the edge of the oil filler hole with the recommended oil type as listed 1. Determine if the gearbox oil is low by removing the oil in Table 4.

  • Page 21: Inspection

    inspection/operation centrifugal Safety "STOp" Switch NOTICE This trowel has been equipped with a centrifugal safety dO NOT attempt to operate the trowel until the Safety, "STOP" switch (Figure 18). This switch should be tested General Information and Inspection sections of this every time the engine is started.

  • Page 22: Operation

    operation NeveR lift the trowel to unnecessary heights. dO NOT 3. Place the centrifugal safety "STOP" switch stand underneath the trowel while it is being lifted. Serious (Figure 22) in the "ON" position. damage to the machine or personal injury could be caused by dropping a trowel.
  • Page 23 operation Testing the centrifugal Safety Stop Switch 5. Grasp the starter grip (Figure 24) and slowly pull it out. The resistance becomes the hardest at a certain 1. With the engine running at idle, place the safety stop position, corresponding to the compression point. Pull switch lever in the "Off"...
  • Page 24 operation To begin Troweling pitching the Blades (Quick pitch™ Handle) To begin troweling, push the throttle lever (Figure 28) forward To pitch the blades upwards using the "Quick Pitch™" handle, to the "RUN" position. (Figure 30) simply pull the T-handle backwards while squeezing the trigger.
  • Page 25 operation maneuvering the Trowel 3. Continue to practice maneuvering the trowel. Try to practice as if you were finishing a slab of concrete. 1. Get into the operator’s position behind the handle. With Practice edging and covering a large area. a secure foothold and a firm grasp on the handle, slowly Remember a good finishing technique is to work increase the engine speed until the desired blade speed...
  • Page 26 operation Stopping The Engine 4. Close the fuel shut- off valve (Figure 35) by moving the fuel valve lever to the Off position. 1. Move the throttle lever to the (Figure 32) "idLE" position and run the engine for three minutes at low speed.

  • Page 27: Options

    If you need replacement blades, consult the parts list in this manual for part numbers and order them from your Multiquip parts dealer or importer. combo blades This trowel is equipped with combination float/finish (Figure Figure 38. Clip-On Float Blade 36) blades as original equipment.

  • Page 28: Options

    options Trowel arm adjustment Tool (Optional) If blades show uneven wear patterns or some tend to wear out faster than others, the trowel arms may need to be adjusted. A special tool is available (Figure 40) that will adjust all of the trowel arms consistently. The Trowel Arm Fixture P/N is 1817.

  • Page 29: 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 20 HRS. 500 HRS. HRS. HRS. Check Engine Oil Change Engine Oil Filter Replace Every 200 Hrs.
  • Page 30 maintenance Engine air cleaner General maintenance practices are crucial to the performance and longevity of your trowel. This equipment daNgEr requires routine cleaning, blade and trowel arm inspection, lubrication and V-belt inspection for wear and damage. dO NOT use gasoline or low flash point Reference Table 5 and Table 6 for scheduled engine and solvents for cleaning the air cleaner, the trowel maintenance.

  • Page 31: Spark Plug

    maintenance NOTICE Operating the engine with loose or damaged air cleaner .028 - .031 IN. components could allow unfiltered air into the engine (0.7- 0.8 MM.) causing premature wear and failure. ENgiNE OiL 1. Drain the engine oil when the oil is warm as shown in Figure 43.
  • Page 32 maintenance SparK arrESTEr cLEaNiNg BLaDe pITCH aDjUSTmeNT pROCeDURe Clean the spark arrester every 6 months or 100 hours. The maintenance adjustment of blade pitch is an adjustment that is made by a bolt (Figure 48) on the arm of the trowel 1.
  • Page 33 maintenance SpIDeR RemOvaL 2. Pitch the blades as flat as possible. The pitch adjustment bolts (Figure 49) should all barely make Remove the spider assembly from the gearbox shaft as contact (0.10 inch max. clearance) with the lower wear follows: plate on the spider.
  • Page 34 maintenance chaNgiNg bLadES TROWeL aRm RemOvaL It is recommended that aLL the blades on the trowel 1. Each trowel arm is held in place at the spider plate are changed at the same time. If only one or some of the by a hex head bolt (zerk grease fitting) and a roll blades are changed, the machine will not finish concrete pin.
  • Page 35 maintenance CHeCKINg TROWeL aRm STRaIgHTNeSS TROWeL aRm LeveR aDjUSTmeNT Trowel arms (Figure 54) can be damaged by rough The easiest and most consistent way to adjust the trowel handling, such as dropping the trowel on the pad, or by arm lever is to use the Trowel Arm Adjustment Fixture striking exposed plumbing, forms, or rebar while in (P.N.
  • Page 36 maintenance 7. Once the correct adjustment is made, tighten the lock 13. Lubricate all grease points (zerk fittings) with premium nut on the trowel arm to lock in place. "Lithum 12" based grease, conforming to NLGI Grade #2 consistency. 8. Loosen locking nuts on the adjustment fixture, and remove trowel arm.
  • Page 37 maintenance LONg-TeRm STORage For storage of the trowel for over 30 days, the following is required: „ Drain the fuel tank completely, or add STA-BIL to the fuel. „ Run the engine until the gasoline in the carburetor is completely consumed. „...

  • Page 38: Troubleshooting

    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 39 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 40 troubleshooting 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 41: Troubleshooting

    troubleshooting 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 42: Wiring Diagram

    Wiring diagram P/N 21953 BLK (TOP) RECOIL STARTER COVER (BOTTOM) MALE CENTRIFUGAL STOP SWITCH FEMALE ENGINE SCREW GROUND P/N 1488 POINT MALE SPLICE TAP CONNECTOR SPARK OIL LEVEL ENGINE OIL ALERT IGNITION PLUG UNIT SWITCH STOP UNIT COIL SWITCH TRANSISTORIZED OIL LEVEL IGNITION UNIT INDICATOR...
  • Page 43 notes jS36 SeRIeS WaLK-BeHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #4 (11/01/13) — page 43...

  • Page 44: Explanation Of Code In Remarks Column

    A blank entry generally indicates that the item is not sold assembly/kit that can be purchased, or is not available separately or is not sold by Multiquip. Other entries will for sale through Multiquip. be clarifi ed in the “Remarks” Column.

  • Page 45: Suggested Spare Parts

    1....10968 ....THRUST BEARING KIT 2....17218ZE2821 ..FILTER OUTER 1....10793 ....THRUST COLLAR 1....28462ZE2W11 ..ROPE, RECOIL 1....1154 A ....WEAR PLATE 2....0152 3 ....V-BELT A-28 (JS36H55) 2....1243 ......V-BELT A-27 (JS36H90) 2....10139 ....GEARBOX LUBRICANT 1....22732 ....THROTTLE LEVER ASSY. NOTICE Part numbers on this Suggested Spare Parts list may supersede/replace the part numbers shown in the following parts lists.

  • Page 46: Nameplate And Decals Assembly

    nameplate and decals STANDARD HANDLE QUICK PITCH™ HANDLE P/N 23700 P/N 36099 PRELOAD TRIM INDICATOR FINISH COMBO FINISH COMBO P/N 36099 MODEL SERIAL NO. P/N 23700 WALK-BEHIND POWER TROWEL WALK-BEHIND POWER TROWEL page 46 — jS36 SeRIeS WaLK-BeHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #4 (11/01/13)
  • Page 47 DECAL, MQ LOGO 12.30” X 1.457” 20816 DECAL, MQ LOGO 6.78” X .80” 23683 DECAL, SERIAL PLATE, WBT- CHINA 23703 DECAL, MQ MULTIQUIP ROUND 3.78” DIA. 23704 ISO DECAL, GUARD WARNING 2.00” DIA. 1735 DECAL, PRE-LOAD ............. 1 ....QUICK PITCH ONLY 22897 JS36 DECAL KIT ..............

  • Page 48: Standard Handle Assembly

    standard handle assy. page 48 — jS36 SeRIeS WaLK-BeHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #4 (11/01/13)
  • Page 49 standard handle assy. paRT NO. paRT Name QTy. RemaRKS 0786 SCREW, BHC 1/4-20 X 3/8 NYL PATCH ,NP 0786 A SPACER, SLIDE BLOCK GUIDE 1116 NUT, BRASS JAM 5/16-18 1665 SCREW, HHC 3/8-16 X 2 3233 WASHER, FENDER, 1.5OD X 3/8ID 9154 SCREW, HHC 3/8-16 X 1 3/4 10133...

  • Page 50: Quick-Pitch Handle Assembly (Option)

    quicK-pitch handle assy. (option) page 50 — jS36 SeRIeS WaLK-BeHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #4 (11/01/13)
  • Page 51 quicK-pitch handle assy. (option) paRT NO. paRT Name QTy. RemaRKS 1116 NUT, BRASS JAM 5/16-18 1665 SCREW, HHC 3/8-16 X 2 1715 Q.P. SPRING CENTER BALANCE 1717 SCREW, QP TRIM ADJUSTMENT W/A 1718 NUT , QP TRIM CNTL ADJUSTMENT 20389 HANDLE, QUICK PITCH (QP) 1729 PIN, ROLL 3/16 X 1-1/4...

  • Page 52: Guard Assembly

    guard assy. page 52 — jS36 SeRIeS WaLK-BeHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #4 (11/01/13)
  • Page 53 SCREW, HHC 3/8 - 16 X 1.0 21996 SPACER, 1.00 OD X .328 ID X .438 THK 22024 SCREW, HHC 5/16 - 24 X 1-3/4 GR5 ZINC ..4....JS36H55 10181 SCREW, HHC 5/16 - 24 X 1-1/4 GR5 ZINC ..4....JS36H90 933241...

  • Page 54: Gearbox Assembly

    gearbox assy. GEARBOX 22 OZ. (751 mL) NOTES: APPLY THREAD LOCK, LOCTITE 246 BLUE P/N 60097 OR EQUIVALENT. APPLY THREAD LOCK, LOCTITE 572 WHITE P/N 60096 OR EQUIVALENT. TORQUE TO 15 FT-LBS (20 Nm) GASKETS ARE NOT SOLD SEPARATELY. SHIM (GASKETS) AS NECESSARY FOR INPUT SHAFT END-PLAY.
  • Page 55 gearbox assy. paRT NO. paRT Name QTy. RemaRKS 0753 SEAL, OIL 0131 A SCREW, HHC 1/4-20 X 3/4 12876 FLANGE, INPUT SHAFT 20395 O-RING, 2" 8032 N 20466 BEARING, CUP, TIMKEN #M11910 20465 BEARING, CONE, TIMKEN #LM11949 0627 KEY, SQUARE 3/16 X 1-1/4 1851 GEAR, WORM "B"...

  • Page 56: Engine And Clutch Assembly

    engine and clutch assy. 29 25 BLUE LOCTITE NOTES: APPLY BLUE LOCTITE™ 246, ITEM 23. FOR OPTIMUM PANNING PERFORMANCE BLADE SPEED MUST BE CHANGED. USE LOW SPEED KIT, ITEM 31. LOW SPEED page 56 — jS36 SeRIeS WaLK-BeHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #4 (11/01/13)
  • Page 57 CLUTCH ASSY. 1" CENTRIFUGAL, 9.0 HP ..1....INCLUDES ITEMS W/# 0627 KEY, SQ 3/16 X 1-1/4 21994 PULLEY AK-59 X 3/4, 60-130 RPM ....1....5.5 HP JS36H55 11049 PULLEY AK-49 X 3/4, 90-150 RPM ....1....9.0 HP JS36H90 21140 PULLEY AK-54 X 3/4 .........1....FLOAT PANS ONLY 0152 3 V-BELT A28 ............1....5.5 HP JS36H55/PANS...

  • Page 58: Spider Assembly

    spider assy. 20 3 NOTES: APPLY LOCTITE P/N 1477 TO ITEMS 1 AND 14 SPIDER ASSEMBLY P/N 1490 INCLUDES ALL ITEMS WITHIN OUTLINE. 3 INCLUDED WITH ITEM 19 OR CAN BE ORDERED SEPARATELY (P/N 1471) TORQUE TO 90 FT.-LBS (122 Nm) TORQUE TO 130 FT.-LBS (176 Nm) page 58 —...

  • Page 59: Blade Assembly

    spider assy. paRT NO. paRT Name QTy. RemaRKS 0164 B RADIUS HEAD 3/8-16, FULL THREAD 0166 A LOCK WASHER 3/8 MED 1157 A BUSHING, TROWEL ARM 1161-1 SPIDER PLATE 1162 A CAP, GREASE ZERK #2 YELLOW 1163-1 LEVER, TROWEL ARM RIGHT HAND 1316 SPRING, LS ARM RETURN 1322...
  • Page 60 blade assy. page 60 — jS36 SeRIeS WaLK-BeHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #4 (11/01/13)
  • Page 61 blade assy. paRT NO. paRT Name QTy. RemaRKS C844 TROWEL BLADE, 8X14, COMBO F900 TROWEL BLADE, 8X14, FINISH 21906 SCREW, HHFS 5/16 - 18 X 1-1/2 GR5 ....8....ALL BLADES 20646 FLOAT DISC LATCH PIN 2870 FLOAT PAN, 36-INCH 11032 FLOAT PAN, 36-INCH SUPER FLAT CL945 FLOAT BLADE, 10X14 CLIP-ON F10900...

  • Page 62: Engine Service Parts

    engine service parts page 62 — jS36 SeRIeS WaLK-BeHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #4 (11/01/13)

  • Page 63: Engine Service Parts

    engine service parts paRT NO. paRT Name QTy. RemaRKS 17620Z4H020 TANK CAP 28462ZH8003 ROPE, RECOIL ..........1....GX160UT2QX2 28462ZE2W11 ROPE, RECOIL ..........1....GX270UT2QA2 17210ZE1822 AIR CLEANER ELEMENT .........1....GX160UT2QX2 17210ZE2822 AIR CLEANER ELEMENT .........1....GX270UT2QA2 17218ZE1821 FILTER OUTER ..........1....GX160UT2QX2 17218ZE2821 FILTER OUTER ..........1....GX270UT2QA2 9807955876 SPARK PLUG jS36 SeRIeS WaLK-BeHINDTROWeL •...
  • Page 64 notes page 64 — jS36 SeRIeS WaLK-BeHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #4 (11/01/13)

  • Page 65: Ce Certifcate Of Conformity

    jS36 SeRIeS WaLK-BeHINDTROWeL • OpeRaTION aND paRTS maNUaL — Rev. #4 (11/01/13) — page 65...
  • Page 66 © COPYRIGHT 2013, 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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