Multiquip b46s90 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 — b46S90 WALK-BEHIND TROWEL • operation and parts manUAL — rev. #0 (06/13/13)

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Contents Model b46s90 Fuel and chemical exposure Warnings Silicosis/Respiratory Warnings Silicosis WarningTable of Contents B46S90 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 Guaranteed ISO 37442010 BasedSound Power Level in dBA b M/s 2 ∑A8Engine Specifications General information Trowel Components Engine Subaru 9.0 HP gasoline engineEngine Components Initial ServicingAssembly and installation Assembly and InstallationHandle Tube Installation Vibratory T-Handle Bar PlacementSafety Stop Switch Connection Pitch Cable InstallationFlat Handle forward for no pitch blades flatBefore Starting InspectionEngine Oil Check Gearbox Oil Belt CheckBelt Guard Check Fuel CheckInspection/operation OperationLifting the Trowel Onto a Slab Lifting BaleStarting the Engine OperationPlace the engine fuel valve lever in the on position Testing the Centrifugal Safety Stop Switch Choke Lever OpenTo 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 General Cleanliness Engine Air CleanerEngine 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 To 3 Units Suggested Spare PartsBelt A-28 Nameplate and Decals 23698 2369923700 36099Standard Handle Assy 0786 0786 a1116 NUT, Brass JAM 5/16-18 1665 SCREW, HHC 3/8-16 X 3233 20285Quick-pitch Handle ASSY. option 1116 NUT, Brass JAM 5/16-18 1665 SCREW, HHC 3/8-16 X 1715 17171718 20389Guard Ring Assy 21973 0205 SCREW, HHC 3/8-16 X 139110024 NUT, Nyloc 1/4-20 21894 21979Gearbox Assy Requires 26 OZ .8 Liters Gearbox Lubricant for Operation0753 0131 a SCREW, HHC 1/4-20 X 3/4 1287620395 RING, 2 8032 N 20466 20465Engine Assy 22996 14751488 12287 SCREW, THP 1/4- 20 X 3/4 SS 21984Spider Assy 14 10164 B 0166 a1157 a 1161-1Stabilizer ring Assy Detail a1477 12371483 Blade Assy 0201 219061434 EX27 crankcase assy 2791010611 20# 237142020326# 2771601001 30$ 0440300160EX27 crankshaft assy 2792090161 01801800100323030010 2072600103EX27 muffler assy 2793160121 27735101030240060030 34% 2773860103EX27 air cleaner assy 510 2793261570 27932720082793265018 2793264318EX27 governor assy 2794230153 27742201332794270111 2774280123EX27 blower assy 2795120201 07320058200110060030 2795271111EX27 Recoil Starter assy 210 2795030120 22650716082775012108 2795011008EX27 fuel tank assy 2796010211 07320051812799511203 X430440161EX27 carburetor assy 210 210-1#210-2# 210-3#EX27 ignition coil assy 2797923101 279794300127773101H1 100 0650140150EX27 oil sensor assy 700 2797630151 740 0010406140770 2797550123 775 0152060050Terms and Conditions of Sale Parts FrEighT pOlicyPage HERE’S HOW to GET Help
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