Multiquip b46s90 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.

 

 

 

 

 

 

 

 

 

b46s90 WALK-BEHIND TROWEL • operatION And parts manual — rev. #0 (06/13/13) — page 41

Image 41
Contents Model b46s90 Fuel and chemical exposure Warnings Silicosis Warning Silicosis/Respiratory WarningsB46S90 WALK-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 lifeGuaranteed ISO 37442010 Based Trowel SPECIFICATIONS/DIMENSIONSSound Power Level in dBA b M/s 2 ∑A8Engine Specifications General information Engine Subaru 9.0 HP gasoline engine Trowel ComponentsInitial Servicing Engine ComponentsAssembly and Installation Assembly and installationHandle Tube Installation Vibratory T-Handle Bar PlacementPitch Cable Installation Safety Stop Switch ConnectionFlat Handle forward for no pitch blades flatEngine Oil Check InspectionBefore Starting Belt Check Gearbox OilBelt Guard Check Fuel CheckOperation Inspection/operationLifting the Trowel Onto a Slab Lifting BalePlace the engine fuel valve lever in the on position OperationStarting the Engine Choke Lever Open 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 Engine Air CleanerGeneral Cleanliness 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 Belt A-28 Suggested Spare PartsTo 3 Units Nameplate and Decals 23699 2369823700 36099Standard Handle Assy 0786 a 07861116 NUT, Brass JAM 5/16-18 1665 SCREW, HHC 3/8-16 X 3233 20285Quick-pitch Handle ASSY. option 1717 1116 NUT, Brass JAM 5/16-18 1665 SCREW, HHC 3/8-16 X 17151718 20389Guard Ring Assy 0205 SCREW, HHC 3/8-16 X 1391 2197310024 NUT, Nyloc 1/4-20 21894 21979Requires 26 OZ .8 Liters Gearbox Lubricant for Operation Gearbox Assy0131 a SCREW, HHC 1/4-20 X 3/4 12876 075320395 RING, 2 8032 N 20466 20465Engine Assy 1475 229961488 12287 SCREW, THP 1/4- 20 X 3/4 SS 2198414 1 Spider Assy0166 a 0164 B1157 a 1161-1Detail a Stabilizer ring Assy1483 12371477 Blade Assy 1434 219060201 EX27 crankcase assy 20# 2371420203 279101061126# 2771601001 30$ 0440300160EX27 crankshaft assy 0180180010 27920901610323030010 2072600103EX27 muffler assy 2773510103 27931601210240060030 34% 2773860103EX27 air cleaner assy 2793272008 510 27932615702793265018 2793264318EX27 governor assy 2774220133 27942301532794270111 2774280123EX27 blower assy 0732005820 27951202010110060030 2795271111EX27 Recoil Starter assy 2265071608 210 27950301202775012108 2795011008EX27 fuel tank assy 0732005181 27960102112799511203 X430440161EX27 carburetor assy 210-1# 210210-2# 210-3#EX27 ignition coil assy 2797943001 279792310127773101H1 100 0650140150EX27 oil sensor assy 740 0010406140 700 2797630151770 2797550123 775 0152060050FrEighT pOlicy Terms and Conditions of Sale PartsPage HERE’S HOW to GET Help