Walk-behind trowels honda gx160/270 and robin ex170/270 gasoline engines (64 pages)
Summary of Contents for MULTIQUIP WHITEMAN INSTACLUTCH J Series
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OPERATION MANUAL MODELS J AND B SERIES INSTACLUTCH™ WALK-BEHIND TROWELS (HONDA/ROBIN-SUBARU GASOLINE ENGINES) Revision #1 (04/24/20) THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES. PN: 13403...
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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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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.
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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.
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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...
SPECIFICATIONS Table 2. B Series Trowel Specifications Table 1. J Series Trowel Specifications Model BH90C BH11C BS90C Model JS60C JH55C JH90C Number of Blades Number of Blades Ring Diameter 48 in. (1,219 mm) Ring Diameter 37.38 in. (949 mm) Rotor Speed 60–130 rpm Rotor Speed 60–115 rpm...
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SPECIFICATIONS Table 4. J Series Trowel Noise and Vibration Emissions Model JS60C JH55C JH90C Guaranteed ISO 11201:2010 Based Sound Pressure Level at Operator Station in dB(A) Guaranteed ISO 3744:2010 Based Sound Power Level in dB(A) ∑A(8) Hand-Arm Vibration per ISO 5349-1:2001 in m/s 2.03 1.37 1.62...
GENERAL INFORMATION INTENDED USE InstaClutch Drive System ™ Operate this trowel, its components and tools in accordance Power is transferred from the engine to the gearbox input with the manufacturer’s instructions. Use of any other tools shaft via a V-belt pulley drive system. The pulley engages for stated operation is considered contrary to designated an innovative InstaClutch™...
COMPONENTS (TROWEL) QUICK PITCH ™ HANDLE (OPTION) Figure 2. Trowel Components PAGE 16 — J AND B SERIES INSTACLUTCH™ TROWELS • OPERATION MANUAL — REV. #1 (04/24/20)
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COMPONENTS (TROWEL) Figure 2 shows the location of the basic trowel components. 11. Left Clutch Lever — The secondary clutch lever. Listed below is a brief explanation of each component. Squeeze to engage the clutch and start blade rotation. 1. Access Panel — Allows access to the blade area. 12.
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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.
SETUP UNPACKING THE HANDLE MAIN HANDLE (TUBE) The handle (Figure 4) is shipped in the folded or stowed position. 3/8 FLAT WASHER 3/8-16 1. To place the folding upper handle in the operational NYLOC NUT position, turn the star wheel counterclockwise to release it from its folded/stowed position.
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SETUP Throttle Cable Installation 6. Feed the cable assembly through the cable housing clamp, return spring, and swivel stop hole, until the 1. Uncoil the throttle cable and housing. cable housing extends under the housing clamp to its far edge (Figure 8). 2.
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SETUP 2. For trowels equipped with a Quick Pitch™ handle 5. Insert the blade pitch cable end through the yoke eyelet (QXHC), squeeze the trigger lock and push the (Figure 12). Tighten brass set nut #1 by hand to remove T-handle towards the engine to release tension on the all slack from the cable.
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SETUP 3. Make sure the clutch cable is fed along the underside of the upper handle tube and secured to the main tube with zip ties. 4. Using a 7/16" wrench, remove the three 1/4" retaining bolts that secure the clutch cover to the frame (Figure 14).
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SETUP 7. Adjust the 5/16" inner nut (Figure 17) until there is a 10. Tighten the inner nut against the clutch cable support distance of 7/8 inch from the threaded end of the clutch bracket until there is no slack in the cable between cable to the inner nut.
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SETUP Float Pan Installation (Optional) BLADE STOP Float pans attach to the trowel blades and allow the trowel to ‘float’ on wet concrete. The disc design facilitates early floating and easy movement from wet to dry areas. Float LATCH PIN pans are also very effective at embedding large aggregates and surface hardeners.
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 24) from the engine oil DANGER filler hole and wipe it clean.
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INSPECTION V-BELT BELT GUARD 1. Inspect the V-belt (Figure 27) to determine if it is frayed, Inspect the belt guard (Figure 29) for damage and loose peeling, full of tiny cracks, has pieces of rubber missing, or missing hardware. or is otherwise damaged. CRACK OIL-SOAKED CORD FAILURE...
OPERATION Lifting Bail This section will assist the operator with the initial startup and operation of the walk-behind trowel. It is extremely The lifting bail provides an optimal lift point for the trowel. important that this section be read carefully before When lifting the trowel onto a concrete slab, attach a chain operating the trowel.
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OPERATION 2. Place the engine ON/OFF switch in the ON position 5. If starting a warm engine, place the choke lever in the OPEN position (Figure 36). (Figure 33). HONDA GX ROBIN-SUBARU EX CHOKE CHOKE LEVER LEVER OPEN CLOSE OPEN OPEN ENGINE SWITCH Figure 33.
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OPERATION INSTACLUTCH™ OPERATION 2. With one hand on the left-side handgrip, move the throttle lever (Figure 39) from the IDLE position to the 1. With the engine running, stand in the operator’s position RUN position. (Figure 38) behind the trowel and grasp both hand grips securely.
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OPERATION PITCHING THE BLADES Quick Pitch™ Handle To pitch the blades upward with the Quick Pitch™ handle Standard Handle (Figure 42), pull the T-handle backward while squeezing To pitch the blades upward with the standard handle the trigger lock. Push the T-handle forward to pitch the (Figure 41), turn the star wheel clockwise.
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OPERATION MANEUVERING THE TROWEL 1. Stand in the operator’s position behind the handle. 3. Continue to practice maneuvering the trowel as if With secure footing and a firm grasp on the handle, finishing a slab of concrete. Practice edging and slowly increase engine speed until the desired blade covering a large area.
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OPERATION CONCRETE FINISHING TECHNIQUES 3. Release the handle and place the engine ON/OFF switch in the OFF position (Figure 45). The instructions in this manual are provided as a basic guide to trowel operation, not a complete guide to concrete finishing.
OPTIONS HANDLES Quick Pitch™ Handle (Optional) Standard Handle The optional Quick Pitch™ handle (Figure 48) allows the operator to quickly and easily adjust blade pitch. Refer to The standard walk-behind trowel handle (Figure 47) is the Operation section of this manual for more equipped with a star wheel for blade pitch adjustment.
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OPTIONS BLADES AND PANS Trowel blades are essential for finishing c oncrete. T he blades of this trowel were built to stringent quality standards from the finest s teel. Trowel b lades s hould b e r eplaced when they fail to finish concrete in a satisfactory manner. If replacement blades are needed, refer to the parts manual included with your trowel for part numbers, and order Figure 51.
MAINTENANCE Table 8. Engine Maintenance Schedule Every 6 Every Year Every 2 Before First Month Description (3) Operation Months or or 300 Years or Each Use or 20 Hours 100 Hours Hours 500 Hours Check Engine Oil Change Engine Oil Filter Replace Every 200 hours Check...
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MAINTENANCE ENGINE MAINTENANCE General maintenance practices are crucial to the performance and longevity of your trowel. This equipment Inspect the engine daily for cleanliness, oil or fuel leakage, requires routine cleaning, lubrication, and inspection of and loose fasteners. components for wear or damage. Air Cleaner Refer to Table 8 and Table 9 to schedule engine and trowel maintenance.
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MAINTENANCE Engine Oil 3. Clean the foam element in warm, soapy water or a nonflammable solvent. Rinse and dry thoroughly. Dip NOTICE the element in clean engine oil and completely squeeze out the excess oil from the element before reinstalling. ALWAYS drain engine oil while the oil is warm.
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MAINTENANCE 2. Using a feeler gauge, adjust the spark plug gap 3. Remove, inspect, and clean the fuel strainer (Figure 59) (Figure 57). If your trowel has a Honda engine, the gap with solvent. should measure 0.028–0.031 in. (0.7–0.8 mm). If your trowel has a Robin-Subaru engine, the gap should measure 0.024–0.028 in.
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MAINTENANCE Trowel Lubrication (Every 8 Hours) 4. Carefully remove carbon deposits from the spark arrester screen (Figure 61) with a wire brush. Regular lubrication is required to maintain your trowel in WIRE BRUSH optimal working condition. Perform the following lubrication procedure after every 8 hours of use.
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MAINTENANCE Blade Pitch Adjustment All adjustment bolts should be spaced the same distance from the lower wear plate. If any one of the Perform maintenance adjustment of blade pitch using a bolts does not make contact, adjustment is necessary. bolt on the trowel arm lever (Figure 63). This bolt is the GEARBOX TROWEL contact point of the trowel arm with the lower wear plate...
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MAINTENANCE 5. Figure 65 illustrates incorrect spider plate alignment 2. Carefully lift the upper trowel/gearbox assembly off of due to improper adjustment, worn spider bushings, or the spider assembly. A light tap with a rubber mallet bent trowel arms. may be necessary to dislodge the spider from the main shaft of the gearbox.
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MAINTENANCE Trowel Arm Removal Trowel Arm Inspection 1. Each trowel arm is held in place at the spider plate Trowel arms (Figure 69) can be damaged by rough handling by a Zerk grease fitting (hex head bolt). Remove the such as dropping the trowel, or by striking exposed Zerk grease fitting and roll pin from the spider plate plumbing, rebar or other objects while in operation.
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MAINTENANCE 3. As the flat hex section rests on the test surface, use 2. Make sure the fixture arm is in the UP position a feeler gauge of .005 in. (0.127 mm) to check the (Figure 72). clearance between the round shaft section and the test surface.
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MAINTENANCE REASSEMBLY LONG-TERM STORAGE 1. Clean the wear plates and thrust collar, and examine Perform the following procedure when storing the trowel the entire spider assembly. Use a wire brush to remove for more than 30 days. any concrete or rust buildup. Replace any spider ...
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.
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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.
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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.
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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.