Multiquip BS46H11, BS46HLE, BS46H90 manual Troubleshooting Walk-Behind Trowel

Page 41

 

 

 

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

Machine has a perceptible rolling motion

 

 

 

at the spider attachment point.

 

 

 

Check to make sure that both fi ngers of the

while running.

 

 

 

 

Yoke?

 

yoke press evenly on the wear cap. Replace

 

 

 

 

 

 

 

yoke as necessary.

 

 

 

 

 

 

 

 

 

Check to ensure that each blade is adjusted

 

 

Blade Pitch?

 

to have the same pitch as all other blades.

 

 

 

 

Adjust per maintenance section in manual.

 

 

 

 

 

 

 

Worn V-belts?

 

Replace V-belt.

 

 

 

 

 

 

 

Hand clutch out of adjustment?

 

Adjust per instructions in maintenance

 

 

 

section of this manual.

 

 

 

 

 

 

 

 

 

Clutch slipping or sluggish response to

 

Worn or defective hand clutch parts?

 

Replace parts as necessary.

 

 

 

 

 

 

 

Rotate input shaft by hand. If shaft rotates

engine speed change.

 

 

 

 

Worn bearings in gearbox?

 

with diffi culty, check the input and output

 

 

 

 

 

 

 

shaft bearings. Replace as necessary.

 

 

 

 

 

 

 

 

 

Verify that the gearbox shaft rotates when

 

 

Worn or broken gears in gearbox?

 

the input shaft is rotated. Replace both the

 

 

 

 

worm and worm gear as a set.

 

 

Defective clutch?

 

Replace clutch.

 

 

Broken V-belt?

 

Replace V-belt.

Trowel blades do not rotate.

 

Defective ON/OFF switch?

 

Check and replace ON/OFF switch if

 

 

necessary.

 

 

 

 

 

 

 

 

 

 

 

Defective centrifugal ON/OFF switch?

 

Check and replace centrifugal ON/OFF

 

 

 

switch if necessary.

 

 

 

 

 

 

 

 

 

BS46H SERIES WALK-BEHIND TROWEL • operatION And parts manual — rev. #2 (10/15/13) — page 41

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Contents Model BS46HLE Fuel and chemical exposure Warnings Silicosis Warning Silicosis/Respiratory WarningsWALK-BEHIND Trowel Table of ContentsCompletely Training checklistDaily pre-Operation checklist Daily pre-operation checklistSaFeTy meSSageS Safety InformationGENEraL SafETy ENgiNE SafETy TrOwEL SafETyOrder Form PT-160 Before servicing equipmentTraNSpOrTiNg SafETy FUeL SaFeTyEmISSIONS INFORmaTION ENvIRONmeNTaL SaFeTy/DeCOmmISSIONINgEmission control Label Label must remain with the engine for its entire lifeSide View Trowel SPECIFICATIONS/DIMENSIONS11997+A12010 in m/s2 ΣA8 Engine SpecificationsGeneral information 15 14 13 12 Trowel ComponentsInitial Servicing Engine ComponentsAssembly and Installation Assembly and installationHandle Tube Installation Vibratory T-Handle Bar PlacementPitch Cable Installation Safety Stop Switch ConnectionShown in Figure Ground pointEngine Oil Check InspectionBefore Starting Belt Check Gearbox OilBelt Guard Check Fuel CheckOperation Inspection/operationLifting the Trowel Onto a Slab Lifting BaleStarting the Engine OperationPlace the engine fuel valve lever in the on position Place the choke lever in the Open positionStarter Grip Testing the Centrifugal Safety Stop SwitchConcrete Finishing Techniques To Begin TrowelingPitching the Blades Standard Handle Pitching the Blades Quick Pitch HandleManeuvering the Trowel Maneuvering the TrowelStopping The Engine Place the safety stop switch in the OFF positionCombo Blades OptionsClip-On Float Blades Optional Float Discs OptionalQuick Pitch Handle Optional Trowel Arm Adjustment Tool OptionalMaintenance Engine check General CleanlinessEngine Air Cleaner Spark Plug Engine oilBelt Never use a spark plug of incorrect heat rangeBlade Pitch Adjustment Procedure Spark arrester cleaningBushings or bent trowel arms Spider removalRemove the trowel arm from the spider plate Changing bladesTrowel arm removal Checking trowel arm straightness Trowel arm Lever adjustmentEnsure the fixture arm is in the up position Shaft and the test surfaceInstalling Pans Onto Finisher Blades ReAssemblyLONG-TERM Storage Troubleshooting engine TroubleshootingAir cleaner dirty? Clean or replace air cleaner Or malfunctioning? Or replace switch if necessary Troubleshooting Walk-Behind Trowel Wiring Diagram Page Explanation of Code in Remarks Column To 3 Units Suggested Spare PartsNameplate and Decals ISO DECAL, LIFTING/CRUSH, 2.4 X ISO DECAL, Read MANUAL, 2.00 DIAISO DECAL, ASK for TRAINING, 2.00 DIA DECAL, Serial PLATE, WBT-CHINAStandard Handle Assy Switch ASSY., Kill Wire ASSY., Kill SwitchSPACER, Slide Block Guide WASHER, FENDER, 1.5OD X 3/8IDQuick-pitch Handle ASSY. option Adjustment PIN NUT , QP Trim Cntl AdjustmentQP Adjustment Block Spring Center BalanceGuard Assy Guard Ring Access PANEL, B FinisherCLIP, Fast Lead SCREW, Fast LeadRequires 26 OZ .8 Liters Gearbox Lubricant for Operation Gearbox AssyFLANGE, Input Shaft SEAL, OILBEARING, CUP, Timken #M11910 GEAR, Worm B Input ShaftEngine and clutch Assy WIRE, Safety Switch CONNECTOR, Splice TAPLifting Bale Assembly B FIN WEIGHT, Automatic Clutch14 1 Spider AssyLock Washer 3/8 MED Blade AssemblyBUSHING, Trowel ARM Spider PlateStabilizer Ring Assy RING, STABILIZER, 16-1/2 ARM 0300B1237 Blade Assy See Notice below 219060201 Guard Ring LUG RingEngine service parts 28462ZE2W11 17620Z4H02028462ZE3W01 17210ZE2822Page Page HERE’S HOW to GET Help
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