Whiteman series walk-behind trowels (honda gx160/270 and robin ex170/270 gasoline engines) (70 pages)
Summary of Contents for MULTIQUIP BS46H90
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OPERATION AND PARTS MANUAL MODEL BS46H90 MODEL BS46H11H MODEL BS46HLE WALK-BEHIND TROWEL (HONDA GX270UT2QA2/GX340UT2QAP2 GASOLINE ENGINES) Revision #3 (06/02/16) 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.
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,...
TABLE OF CONTENTS BS46H90/BS46H11H/BS46H- Explanation Of Code In Remarks Column..... 44 Suggested Spare Parts ......... 45 Component Drawings WALK-BEHIND TROWEL Nameplate And Decals ........46-47 Fuel And Chemical Exposure Warnings ....2 Standard Handle Assy........48-49 Silicosis/Respiratory Warnings ........ 3 Quick-Pitch Handle Assy.
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...
ENGINE SPECIFICATIONS Table 2. BS46H90 Noise and Vibration Emissions Model BS46H90 BS46H11H 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) Standard Handle 1.51 1.36 Whole Body Vibration Per ISO 2631-...
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.
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.
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.
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.
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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 the 1. For Standard Handle models expose the pitch cable throttle cable receiver (Figure 7) and loosen or tighten to maximum by turning the blade pitch star wheel the locking nut (bottom nut).
INSPECTION 5. Insert the cable end through the yoke eyelet 3. A decal has been placed on the side of the handle (Figure 13). Tighten brass set nut #1 by hand to remove tube to assist the user in the adjustment of the spring. all the slack from the cable.
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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 16), fill to the edge of the plug located on the side of the gearbox.
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.
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.
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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"...
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OPERATION To Begin Troweling Pitching the Blades (Quick Pitch™ Handle) To begin troweling, pull the throttle lever (Figure 28) To pitch the blades upwards using the "Quick Pitch™" backward to the "RUN" position. handle, (Figure 30) 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 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.
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 36) blades as original equipment. These blades Figure 38.
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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.
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.
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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 5 and Table 6 for scheduled engine and solvents for cleaning the air cleaner, the trowel maintenance.
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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.
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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 48) 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 49) should all barely make Remove the spider assembly from the gearbox shaft as contact (0.10 inch max. clearance) with the lower follows: wear plate on the spider. All pitch alignment bolts should be spaced the same distance from the lower 1.
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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 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 arm lever is to use the Trowel Arm Adjustment Fixture by striking exposed plumbing, forms, or rebar while in (P/N 1817).
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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. "Lithium 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.
A blank entry generally indicates that the item is not sold “Not Sold Separately” — Indicates that an item cannot separately or is not sold by Multiquip. Other entries will be purchased as a separate item and is either part of an be clarifi ed in the “Remarks”...
NAMEPLATE AND DECALS STANDARD HANDLE QUICK PITCH™ HANDLE P/N 23700 P/N 36099 PRELOAD TRIM INDICATOR 36” 48” FINISH COMBO FINISH COMBO P/N 36099 MODEL SERIAL NO. P/N 23700 WALK-BEHIND POWER TROWEL WALK-BEHIND POWER TROWEL PAGE 46 — BS46H SERIES WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #3 (06/02/16)
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DECAL, MQ LOGO 6.78” X .80” DECAL, SERIAL PLATE, WBT-CHINA ........1 ... CONTACT MQ PARTS ........................ DEPT. 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 BS46 DECAL KIT ..............
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SXHS HANDLE ASSY. PAGE 48 — BS46H SERIES WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #3 (06/02/16)
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SXHS HANDLE ASSY. PART NO. PART NAME QTY. REMARKS 0786 SCREW, BHC 1/4-20 X 3/8" NYL PATCH ,NP 2 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"...
QXHS HANDLE ASSY. (OPTION) PAGE 50 — BS46H SERIES WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #3 (06/02/16)
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QXHS 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"...
GUARD ASSY. PAGE 52 — BS46H SERIES WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #3 (06/02/16)
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GUARD ASSY. PART NO. PART NAME QTY. REMARKS 21973 GUARD RING 0205 SCREW, HHC 3/8-16 X 1.0" 1391 SCREW, HHC 5/16-24 X 1-1/2" ZINC 10024 NUT, NYLOC 1/4-20 21894 CLIP, FAST LEAD 24415 ACCESS PANEL, B FINISHER 26250 SCREW, HHC 1/4 - 20 X 1-3/4" 21893 SCREW, FAST LEAD 21986...
GEARBOX ASSY. GEARBOX 24 OZ. (710 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.
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GEARBOX ASSY. PART NO. PART NAME QTY. REMARKS 24323 SEAL, OIL 0131 A SCREW, HHC 1/4-20 X 3/4" 12876 FLANGE, INPUT SHAFT 20395 O-RING, 2" 8032 N 24060 BEARING, CUP, TIMKEN #M11910 24061 BEARING, CONE, TIMKEN #LM11949 0627 KEY, SQUARE 3/16 X 1-1/4" 1851 GEAR, WORM "B"...
ENGINE AND CLUTCH ASSY. BLUE LOCTITE NOTES: APPLY BLUE LOCTITE™ 246, ITEM 20. FOR OPTIMUM PANNING PERFORMANCE BLADE SPEED MUST BE CHANGED. USE LOW SPEED KIT, ITEM 21. LOW SPEED PAGE 56 — BS46H SERIES WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #3 (06/02/16)
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SCREW, HHC 5/16-24 X 1" 0250 CLUTCH ASSEMBLY 1" CENTRIFUGAL ..1....INCLUDES ITEMS W/ # 0627 KEY, SQ 3/16 X 1-1/4 21140 PULLEY AK-54 X 3/4 .........1....BS46H90 11049 PULLEY AK-49 X 3/4, (HIGH SPEED) ....1....BS46H11H 24417-V29 V-BELT VULCRO POWER II ......1....BS46H90 24417-V28 V-BELT VULCRO POWER II ......1....BS46H11H...
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 —...
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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...
STABILIZER RING ASSY. SEE DETAIL “A” DETAIL “A” APPLY LOCTITE 242 BLUE OR EQUIVALENT. PAGE 60 — BS46H SERIES WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #3 (06/02/16)
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STABILIZER RING ASSY. PART NO. PART NAME QTY. REMARKS 0300B WASHER, FLAT SAE 5/16 1237 SCREW, SCH 5/16-18 X 7/8", NYL, NP 1723 ROD END, 5/16-24 MALE 6014 C NUT, HEX FINISH 5/16-24 1483 RING, STABILIZER, 16-1/2" ARM BS46H SERIES WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #3 (06/02/16) — PAGE 61...
BLADE ASSY. PAGE 62 — BS46H SERIES WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #3 (06/02/16)
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BLADE ASSY. PART NO. PART NAME QTY. REMARKS C464 TROWEL BLADE, 8 X 18 STANDARD BC 21906 SCREW, HHFS 5/16 - 18 X 1-1/2 GR5 BLADE AND PAN ACCESSORIES, ALL ...1....SEE NOTICE BELOW REVERSIBLE COMBO BLADE ......4....SEE NOTICE BELOW FLOAT DISC LATCH PIN ........4....SEE NOTICE BELOW TROWEL ARM ADJ.
ENGINE SERVICE PARTS PAGE 64 — BS46H SERIES WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #3 (06/02/16)
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ENGINE SERVICE PARTS PART NO. PART NAME QTY. REMARKS 17620Z4H020 TANK CAP 28462ZE2W11 ROPE, RECOIL ..........1....GX270UT2QA2 28462ZE3W01 ROPE, RECOIL ..........1....GX340UT2QAP2 17210ZE2822 AIR CLEANER ELEMENT .........1....GX270UT2QA2 17210ZE3010 AIR CLEANER ELEMENT .........1....GX340UT2QAP2 17218ZE2821 FILTER OUTER ..........1....GX270UT2QA2 17218ZE3000 FILTER OUTER ..........1....GX340UT2QAP2 9807955876 SPARK PLUG (BPR5ES) (NGK) ......1....GX270UT2QA2 9807956876 SPARK PLUG (BPR6ES) (NGK) ......1....GX340UT2QAP2 BS46H SERIES WALK-BEHIND TROWEL •...
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NOTES PAGE 66 — BS46H SERIES WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #3 (06/02/16)
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