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OperatiOn and parts Manual MOdel Mqs36h55 MOdel Mqs36h90h walk-behind trOwel (hOnda GX160ut1qX2/GX270utqa2 GasOline enGines) Revision #0 (03/08/12) 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: 22902...
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.
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,...
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.
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safety infOrMatiOn geNeRaL SaFeTy NOTICE CaUTION This equipment should only be operated by trained and qualifi ed personnel 18 years of age and older. NeveR operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, Whenever necessary, replace nameplate, operation and hearing protection, steel-toed boots and other protective safety decals when they become diffi cult read.
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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.
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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.
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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...
Table 2. engine Specifications/Dimensions Honda gX160UT1QX2T engine Honda gX2700UTQa2 engine Model (MQS36H55) (MQS36H90H) Air-cooled 4 stroke, Single Cylinder, OHV, Air-cooled 4 stroke, Single Cylinder, OHV, Type Horizontal Shaft Gasoline Engine Horizontal Shaft Gasoline Engine Bore X Stroke 2.70 in. X 1.8 in. (68 mm x 45 mm) 3.0 in.
General infOrMatiOn geaRBOX INTeNDeD USe The gearbox is located beneath the engine and transfers Operate this trowel, tools and components in accordance power to the spider assembly. The gearbox controls the with the manufacturer's instructions. Use of any other tools rotational speed of the trowel and is equipped with two for stated operation is considered contrary to designated shafts (input and output).
Replace hand grips when they 16. Quick pitch™ Control Handle — Contact MQ unit become worn or damaged. sales for this option. MQS36H SeRIeS WaLK-BeHIND TROWeL • OpeRaTION aND paRTS MaNUaL — Rev. #0 (03/08/12) — page 15...
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.
asseMbly and installatiOn aSSeMBLy aND INSTaLLaTION NOTICE Before the trowel can be put into operation there are some If additional handle height adjustment is desired, a components that must be installed before the trowel can handle wedge kit can be purchased for your trowel by be used.
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asseMbly and installatiOn 2. For Quick Pitch™ Handle models expose the pitch 7. Adjustment of the throttle cable tension may be cable to maximum by grasping the T-handle (Figure 10), required. If so, loosen the adjusting nut (top nut) on then squeezing the trigger lock and pushing the the throttle cable receiver (Figure 7) and loosen or T-handle forward for no pitch (blades flat).
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 CaUTION PITCH CABLE aLWayS wear approved eye and hearing protection before operating the trowel. YOKE YOKE EYELET...
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inspectiOn gearbox Oil 3. Insert and remove the dipstick without screwing it into the filler neck. Check the oil level shown on the dipstick. 1. Determine if the gearbox oil is low by removing the oil 4. If the oil level is low (Figure 15), fill to the edge of the plug located on the side of the gearbox.
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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 17). This switch should be tested General Information and Inspection sections of this every time the engine is started.
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 21) in the "ON" position. damage to the machine or personal injury could be caused by dropping a trowel.
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OperatiOn Testing the Centrifugal Safety Stop Switch 5. Grasp the starter grip (Figure 23) 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"...
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OperatiOn To Begin Troweling pitching the Blades (Quick pitch™ Handle) To begin troweling, push the throttle lever (Figure 27) forward To pitch the blades upwards using the "Quick Pitch™" handle, to the "RUN" position. (Figure 29) simply pull the T-handle backwards while squeezing the trigger.
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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...
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OperatiOn Stopping The engine 4. Close the fuel shut- off valve (Figure 34) by moving the fuel valve lever to the OFF position. 1. Move the throttle lever to the (Figure 31) "IDLe" position and run the engine for three minutes at low speed.
OptiOns Clip-On Float Blades (Optional) NOTICE These blades will clip (Figure 37) onto an existing installed Trowel blades should be changed when they fail to finish blade, allowing your finisher to float on “wet” concrete so concrete in a satisfactory manner. that the troweling operation can begin as early as possible.
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Figure 39. Trowel Arm Adjustment Fixture Quick pitch™ Handle (Optional) This feature (Figure 40) is not standard equipment on this model walk-behind trowel. To order this feature please contact MQ unit sales. T-HANDLE TRIGGER Figure 40. Quick Pitch™ Handle (Option) The Quick Pitch™...
Maintenance Table 4. 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.
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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 4 and Table 5 for scheduled engine and solvents for cleaning the air cleaner, the trowel maintenance.
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 42.
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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 47) on the arm of the trowel 1.
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Maintenance SpIDeR ReMOvaL 2. Pitch the blades as flat as possible. The pitch adjustment bolts (Figure 48) 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.
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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.
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Maintenance CHeCKINg TROWeL aRM STRaIgHTNeSS TROWeL aRM LeveR aDjUSTMeNT Trowel arms (Figure 53) 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.
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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 NLG1 Grade #2 consistency. 8. Loosen locking nuts on the adjustment fixture, and remove trowel arm.
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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. ...
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.
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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.
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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.
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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.
Column are listed below. Other additional notes needed WASHER, 1/4 IN...NOT SOLD SEPARATELY to describe the item can also be shown. 2% 12347 WASHER, 3/8 IN. ..1 ..MQ-45T ONLY 12348 HOSE ....A/R ...MAKE LOCALLY assembly/Kit — All items on the parts list with the 12349 BEARING ....1 ..S/N 2345B AND ABOVE...
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 (MQS36H55) 2....1243 ......V-BELT A-27 (MQS36H90) 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.
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 — MQS36H SeRIeS WaLK-BeHIND TROWeL • OpeRaTION aND paRTS MaNUaL — Rev. #0 (03/08/12)
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ISO DECAL, LIFTING/CRUSH, 2.4” X 2.0” 36099 ISO DECAL, PROTECTIVE CLOTHING, 3.50” X 1.13” 23701 ISO DECAL, ASK FOR TRAINING, 2.00” DIA. 23702 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”...
quick-pitch handle assy. (OptiOn) page 50 — MQS36H SeRIeS WaLK-BeHIND TROWeL • OpeRaTION aND paRTS MaNUaL — Rev. #0 (03/08/12)
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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...
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.
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 —...
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 SPIDER PLATE 1162 A CAP, GREASE ZERK #2 YELLOW 1163 LEVER, TROWEL ARM RIGHT HAND 1316 SPRING, LS ARM RETURN 1322...
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blade assy. page 60 — MQS36H SeRIeS WaLK-BeHIND TROWeL • OpeRaTION aND paRTS MaNUaL — Rev. #0 (03/08/12)
enGine assy. page 62 — MQS36H SeRIeS WaLK-BeHIND TROWeL • OpeRaTION aND paRTS MaNUaL — Rev. #0 (03/08/12)
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enGine assy. paRT NO. paRT NaMe QTy. ReMaRKS 17620Z4H020 TANK CAP 28462ZH8003 ROPE, RECOIL ..........1....GX160UT1QX2 28462ZE2W11 ROPE, RECOIL ..........1....GX270UTQA2 17210ZE1822 AIR CLEANER ELEMENT .........1....GX160UT1QX2 17210ZE2822 AIR CLEANER ELEMENT .........1....GX270UTQA2 17218ZE1821 FILTER OUTER ..........1....GX160UT1QX2 17218ZE2821 FILTER OUTER ..........1....GX270UTQA2 9807955876 SPARK PLUG MQS36H SeRIeS WaLK-BeHIND TROWeL •...
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