Multiquip HHXG5 operation manual Troubleshooting engine

Page 50

 

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

Stuck carburetor?

Check fl oat mechanism.

Spark plug is red?

Check transistor ignition unit.

at 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?

Check automatic shutdown circuit, "oil

 

(if applicable)

sensor". (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, and 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.

 

 

 

 

Piston ring and/or cylinder worn?

Replace piston rings and/or piston.

Diffi cult to start, fuel is available, spark is

 

 

Cylinder head and/or spark plug not tightened

Torque cylinder head bolts and spark plug.

present and compression is low.

properly?

 

 

Head gasket and/or spark plug gasket

Replace head and spark plug gaskets.

 

damaged?

 

 

 

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 50 — HHXg5 RIDE-ON TROWEL • operation manual — rev. #1 (10/25/10)

Image 50
Contents Model HHXG5 Proposition 65 Warning Respiratory Hazards Silicosis/Respiratory WarningsSilicosis Warning Table of Contents HHXG5 Ride-On TrowelPage Training checklist CompletelyDaily pre-operation checklist Daily pre-Operation ChecklistSafety Information SaFeTY meSSageSGeNeRaL SaFeTY Order Form PT-160 TROWeL SaFeTYENgINe SaFeTY Before servicing equipment„ Use well-insulated gloves when picking up the battery FueL SaFeTYBaTTeRY SaFeTY Lifting TRaNSpORTINg SaFeTYTOWINg SaFeTY „ aLWaYS shutdown engine before transportingENvIRONmeNTaL SaFeTY DIMENSIONS/SPECIFICATIONS Trowel HHX SpecificationsSpecifications Engine FuelGeneral Information Controls and Indicators HHXG5 Controls and Indicators FrontHHXG5 Controls and Indicators Rear HHXG5 Controls and Indicators Clamshell Open Engine Components Gasoline Linked to the accelerator systemBattery Setup SetupTrowel Setup Instructions Gearbox Oil Level InspectionEngine Oil Level FuelOperation Starting the EngineSteering Control Joystick Directional PositioningBlade Pitch Matching Blade Pitch for Both Sets of BladesWeekly 30-40 Hours MAINTENANCEMaintenance Schedule Daily 8-10 Hours Monthly 100-150 HoursOil Filter 300 Hours Air Cleaner DailyChanging Engine Oil And Filter Fuel FilterOil And Fuel Lines Battery/Charging SystemOil/Water Separator Radiator/Cooling SystemRemoving the Drive Belt MAINTENANCE old style clutchChecking The Drive Belt Installing the Drive Belt Using New Drive Belt Expanding Lower Drive PulleySpare Drive Belt Replacement Left Side GearboxHow It Works Figure Springs High Engine RPM Driven PulleyClutch Spring Driven Pulley CAM Bracket Moveable Fixed FaceMAINTENANCE new style clutch Belt measurementInstalling Drive Belt Lower drive pulleyHow it works Single Pitch MAINTENANCE TrowelBlade Pitch Adjustment Procedure Twin PitchTMChanging Blades Steering AdjustmentClean-Up „„Do the pitch control towers rock back and forth?Place the trowel in a FLAT, Level area Trowel Arm AdjustmentAssembly Distance from the lower wear plateRemove the trowel arm from the spider plate Trowel Blade RemovalTrowel Arm Removal Locate the trowel arm adjustment tool P/N Checking Trowel Arm StraightnessLifting/Crush Hazard.DO not lift trowel with pans attached Re-AssemblyInstalling Pans Onto Finisher Blades Verify the hydraulic fluid level is correct Checking Steering PressureHydraulic Steering Pressure Move the throttle lever to Full engine RPMSteering Pressure Adjustment Steering Pressure CheckDecommissioning trowel Decommissioning Trowel/ComponentsWiring Diagram Engine StarterConnector Orientation Front View Relay Orientation Troubleshooting Symptom Possible problem SolutionTroubleshooting Ride-On Trowel Troubleshooting engine Air cleaner dirty? Clean or replace air cleaner HERE’S HOW to GET Help
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