Multiquip WM63H8, WM63H5 manual Troubleshooting engine

Page 34

 

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.

 

 

 

 

Fuel reaching carburetor?

Check fuel line.

 

 

 

 

Water in fuel tank?

Flush or replace fuel tank.

 

 

 

 

Fuel fi lter clogged?

Replace fuel fi lter.

 

 

 

Diffi cult to start, fuel is available, but no spark at

Stuck carburetor?

Check fl oat mechanism.

 

 

Spark plug is red?

Check transistor ignition unit.

spark plug.

 

 

If insuffi cient compression, repair or replace

 

Spark plug is bluish white?

engine. If injected air leaking, correct leak. If

 

 

carburetor jets clogged, clean carburetor.

 

 

 

 

 

Check transistor ignition unit is broken, and

 

No spark present at tip of spark plug?

replace defective unit. Check if voltage cord

 

cracked or broken and replace. Check if spark

 

 

 

 

plug if fouled and replace.

 

No oil?

Add oil as required.

 

 

 

 

Oil pressure alarm lamp blinks upon starting? (if

Check automatic shutdown circuit, "oil sensor".

 

applicable)

(if applicable)

 

 

 

 

ON/OFF switch is shorted?

Check switch wiring, replace switch.

 

 

 

Diffi cult to start, fuel is available, and spark is

Ignition coil defective?

Replace ignition coil.

 

 

Improper spark gap, points dirty?

Set correct spark gap and clean points.

present at the spark plug.

 

 

Condenser insulation worn or short circuiting?

Replace condenser.

 

 

 

 

 

Spark plug wire broken or short circuiting?

Replace defective spark plug wiring.

 

Wrong fuel type?

Flush fuel system, replace with correct type of

 

fuel.

 

 

Diffi cult to start, fuel is available, spark is

 

 

Water or dust in fuel system?

Flush fuel system.

present and compression is normal.

 

 

Air cleaner dirty?

Clean or replace air cleaner.

 

 

 

 

 

Choke open?

Close choke.

 

 

 

 

Suction/exhaust valve stuck or protruded?

Reseat valves.

 

 

 

Diffi cult to start, fuel is available, spark is

Piston ring and/or cylinder worn?

Replace piston rings and/or piston.

 

 

Cylinder head and/or spark plug not tightened

 

present and compression is low.

Torque cylinder head bolts and spark plug.

properly?

 

 

 

 

 

 

Head gasket and/or spark plug gasket damaged?

Replace head and spark plug gaskets.

 

 

 

 

No fuel in fuel tank?

Fill with correct type of fuel.

 

 

 

 

Fuel cock does not open properly?

Apply lubricant to loosen fuel cock lever,

 

replace if necessary.

No fuel present at carburetor.

 

 

 

Fuel fi lter/lines clogged?

Replace fuel fi lter.

 

 

 

 

 

Fuel tank cap breather hole clogged?

Clean or replace fuel tank cap.

 

 

 

 

Air in fuel line?

Bleed fuel line.

 

 

 

page 34 — wm63-series Mixer • operation and parts manual — rev. #0 (09/27/12)

Image 34
Contents MODELs WM63H5, wm63h8 Wm63e Proposition 65 Warning Silicosis/Respiratory Warnings Silicosis WarningTable of Contents WM63H5/WM63H8/WM63E Plaster And Mortar MixersChoose from three easy options Explosive fuel hazards Safety informationSaFeTY messages Burn hazardsGeneral saFeTY Engine saFeTY gasoline models onlY Mixer saFeTYBefore servicing equipment EleCTriC moTor saFeTY eleCTriC models onlY Fuel saFeTY gasoline models onlYGeneraTor saFeTY Power Cord/Cable safetyEnvironmenTal saFeTY Towing saFeTY„ alwaYs shutdown engine before transporting Safety chain connection Tow Bar to Mixer ConnectionSpecifications Mixer SpecificationsDimensions DimensionsGeneral information Components Mixer ComponentsEngine Oil Check InspectionBefore Starting Fuel CheckBelt Check Start/Stop SwitchGrease Fittings Dumping Mechanism Basic engine Initial ServicingElectric Motor Electric motorElectric Motor Connection Electric Motor Voltage Switch Recommended Extension Cord SizesPaddle blade adjustment Adjust paddles as shown in FigureTurn the engine switch to the on position Start-upBelt Slip Lever Start/Stop Position Stopping the Mixer Gasoline OperationMixing/Dumping Stopping the Mixer electric motorPage Maintenance engine First EveryInstall drain bolt with sealing washer and tighten securely Engine air cleanerEngine oil Drum Head Seals Maintenance MixerBall Socket and Clamp Face Maintenance Drum Bearing Bracket LubricationMain Gear and Drive Pinion Alignment Wheel BearingsInspectTooth Contact between Main Gear and Drive Pinion Tires/Wheels/Lug Nuts Grease Fittings Zerk Maintenance Electric MotorGear Lubrication Tires Wear/InflationStart all wheel lug nuts by hand Lug Nut Torque RequirementsNever use an pneumatic air gun to tighten wheel lug nuts Mixer Cleaning SuspensionMixer Storage Troubleshooting Troubleshooting engineAir cleaner dirty? Clean or replace air cleaner Replace seals Adjust if necessaryDrum difficult to discharge tilt Blades adjusted too tight Defective or worn drum supportWiring diagram Explanation of Code in Remarks Column Suggested Spare Parts Qty DescriptionSafety Instructions Nameplate and decalsPart Name QTY Remarks 521232 Decal, inspect before towingFrame assy 530023 514842491692 507444Paddle shaft assy 3215 SCREW, HHC 1/2-13 X 3-1/2 EM200292 514752492584 NUT, Lock 1/2 530140C 530141Steel tub assy Part Front Frame Rear Frame20561-001 5300283249 491008Drum and paddle shaft complete assy 07594-012 Roll PIN 3/16 X 3/4 20654-001 516069EM969013 NUT, Lock 3/8 3019092 EM961019Axle assy 516476 346929194 8164Engine assy 513868 EM905016492378 Bolt 3/8 NC X 1-3/4 G5 JISB2804C25 500214 KEY, Square 1/4 X 1/4 X 1-1/2 502226Electric motor assy 492582 NUT, Nylon 5/16-18 35L229S302 492378 Bolt 3/8 X 1-3/4 G5 20216-00120061-001 502213Cabinet assy 11213287 515014490202 2203Terms and conditions of sale parts FreigHT poliCYPage HERE’S HOW to GET Help