Multiquip BS46H90, BS46HLE, BS46H11 manual Or malfunctioning? Or replace switch if necessary

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. Replace switch if necessary.

 

 

 

 

 

 

 

Look at the fuel system. Make sure there is fuel

Engine running rough or not at all.

Fuel?

 

being supplied to the engine. Check to ensure that

 

 

 

the fuel fi lter is not clogged.

 

Ignition?

 

Check to ensure that the ignition switch has power

 

 

and is functioning correctly.

 

 

 

 

 

 

 

 

Loose wire connections

 

Check wiring. Replace or repair as necessary.

 

 

 

 

 

Bad contacts in ON/OFF switch?

 

Replace ON/OFF switch.

 

 

 

 

 

 

 

Make certain blades are in good condition, not

 

 

 

excessively worn. Finish blades should measure

 

Blades?

 

no less than 2"" (50mm) from the blade bar to

 

 

the trailing edge, combo blades should measure

 

 

 

 

 

 

no less that 3.5"" (89mm). Trailing edge of blade

 

 

 

should be straight and parallel to the blade bar.

 

 

 

Check that all blades are set at the same

 

Pitch adjustment?

 

pitch angle as measured at the spider. A fi eld

 

 

adjustment tool is available for height adjustment

 

 

 

 

 

 

of the trowel arms. (Contact Parts Dept.)

 

 

 

Check the spider assembly for bent trowel arms.

 

Bent trowel arms?

 

If one of the arms is even slightly bent, replace it

Trowel bounces, rolls concrete, or makes

 

 

immediately.

 

 

 

uneven swirls in concrete.

 

 

Check fi t of arms in spider. This can be done by

 

Spider?

 

moving the trowel arms up and down. If there is

 

 

more than 1/8 inch (3.2 mm) of travel at the tip of

 

 

 

 

 

 

the arm, the spider and arms should be replaced.

 

 

 

 

 

 

 

Check the fl atness of the thrust collar by rotating

 

Thrust collar?

 

it on the spider. If it varies by more than 0.02 inch

 

 

 

(0.5 mm) replace the thrust collar.

 

 

 

 

 

 

 

Check the thrust collar by rocking it on the spider.

 

Thrust collar bushing?

 

If it can tilt more than 3/32 inch (2.4 mm) - as

 

 

measured at the thrust collar O.D., replace the

 

 

 

 

 

 

thrust collar.

 

 

 

 

 

Thrust bearing worn?

 

Check the thrust bearing to see that it is spinning

 

 

freely. Replace if necessary.

 

 

 

 

 

 

 

page 40 — BS46H SERIES WALK-BEHIND TROWEL • operation and parts manUAL — rev. #2 (10/15/13)

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Contents Model BS46HLE Fuel and chemical exposure Warnings Silicosis/Respiratory Warnings Silicosis WarningTable of Contents WALK-BEHIND TrowelTraining checklist CompletelyDaily pre-operation checklist Daily pre-Operation checklistSafety Information SaFeTy meSSageSGENEraL SafETy TrOwEL SafETy ENgiNE SafETyOrder Form PT-160 Before servicing equipmentFUeL SaFeTy TraNSpOrTiNg SafETyENvIRONmeNTaL SaFeTy/DeCOmmISSIONINg EmISSIONS INFORmaTIONEmission control Label Label must remain with the engine for its entire lifeTrowel SPECIFICATIONS/DIMENSIONS Side ViewEngine Specifications 11997+A12010 in m/s2 ΣA8General information Trowel Components 15 14 13 12Engine Components Initial ServicingAssembly and installation Assembly and InstallationHandle Tube Installation Vibratory T-Handle Bar PlacementSafety Stop Switch Connection Pitch Cable InstallationShown in Figure Ground pointBefore Starting InspectionEngine Oil Check Gearbox Oil Belt CheckBelt Guard Check Fuel CheckInspection/operation OperationLifting the Trowel Onto a Slab Lifting BaleOperation Starting the EnginePlace the engine fuel valve lever in the on position Place the choke lever in the Open positionTesting the Centrifugal Safety Stop Switch Starter GripTo Begin Troweling Concrete Finishing TechniquesPitching the Blades Standard Handle Pitching the Blades Quick Pitch HandleManeuvering the Trowel Maneuvering the TrowelPlace the safety stop switch in the OFF position Stopping The EngineOptions Combo BladesClip-On Float Blades Optional Float Discs OptionalTrowel Arm Adjustment Tool Optional Quick Pitch Handle OptionalMaintenance Engine Air Cleaner General CleanlinessEngine check Engine oil Spark PlugBelt Never use a spark plug of incorrect heat rangeSpark arrester cleaning Blade Pitch Adjustment ProcedureSpider removal Bushings or bent trowel armsTrowel arm removal Changing bladesRemove the trowel arm from the spider plate Trowel arm Lever adjustment Checking trowel arm straightnessEnsure the fixture arm is in the up position Shaft and the test surfaceReAssembly Installing Pans Onto Finisher BladesLONG-TERM Storage Troubleshooting Troubleshooting engineAir 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 Suggested Spare Parts To 3 UnitsNameplate and Decals ISO DECAL, Read MANUAL, 2.00 DIA ISO DECAL, LIFTING/CRUSH, 2.4 XISO DECAL, ASK for TRAINING, 2.00 DIA DECAL, Serial PLATE, WBT-CHINAStandard Handle Assy Wire ASSY., Kill Switch Switch ASSY., KillSPACER, Slide Block Guide WASHER, FENDER, 1.5OD X 3/8IDQuick-pitch Handle ASSY. option NUT , QP Trim Cntl Adjustment Adjustment PINQP Adjustment Block Spring Center BalanceGuard Assy Access PANEL, B Finisher Guard RingCLIP, Fast Lead SCREW, Fast LeadGearbox Assy Requires 26 OZ .8 Liters Gearbox Lubricant for OperationSEAL, OIL FLANGE, Input ShaftBEARING, CUP, Timken #M11910 GEAR, Worm B Input ShaftEngine and clutch Assy CONNECTOR, Splice TAP WIRE, Safety SwitchLifting Bale Assembly B FIN WEIGHT, Automatic ClutchSpider Assy 14 1Blade Assembly Lock Washer 3/8 MEDBUSHING, Trowel ARM Spider PlateStabilizer Ring Assy 1237 0300BRING, STABILIZER, 16-1/2 ARM Blade Assy 21906 See Notice below0201 Guard Ring LUG RingEngine service parts 17620Z4H020 28462ZE2W1128462ZE3W01 17210ZE2822Page Page HERE’S HOW to GET Help
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