Stow manual Stow G-4.5R -TROUBLESHOOTING Engine

Page 36

STOW G-4.5R —TROUBLESHOOTING (ENGINE)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the

diagnosis based on the Engine Troubleshooting (Table 6) information shown below and on the proceeding page. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant.

TABLE 6. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Inspect carburetor to see if fuel

Check fuel line

 

is reaching it?

 

 

 

 

 

No Fuel?

Add Fuel

 

 

 

 

Water in fuel tank?

Flush or replace fuel tank.

 

 

 

 

Fuel filter clogged?

Replace fuel filter

 

 

 

 

Stuck carburetor?

Check float mechanism.

Poor starting

 

 

Spark plug is red?

Spark plug is fouled. Check tranistor ignition unit.

 

 

 

 

Spark plug is blue-white?

Insufficient compression, injected air leaking. Carburetor jets are

 

clogged (overflow).

 

 

 

 

 

 

No spark present at tip of spark

Tranistor ignition unit broken, high voltage cord cracked or broken.

 

plug?

Start/Stop switch broken. Replace spark plug if fouled.

 

 

 

 

No oil?

Add oil as required.

 

 

 

 

Oil pressure alarm lamp blinks

Check Automatic shutdown circuit "oil sensor".

 

upon starting?

 

 

 

 

 

 

Engine will not turn over?

Replace cylinder and piston and if necessary axel joint.

 

 

 

 

Cylinder head connecting bolts

Tighten cylinder head connecting bolts.

 

loose?

 

 

 

 

 

Insufficient power output "no

Cylinder head gasket damaged?

Replace cylinder head gasket.

compression"

 

 

Malfunction of valve seat?

Re-seat valves.

 

 

 

 

 

Spark plug is loose?

Replace spark plug.

 

 

 

 

Worn piston rings?

Replace piston rings.

 

 

 

 

Malfunction in air-cleaner

Clean or replace air filter.

 

system, air filter clogged?

 

 

 

 

 

 

Air leaking in from interface

Tighten bolts between carburetor and cylinder head. Replace

Insufficient power output

between carburetor and cylinder

cylinder head gasket.

"compression"

head?

 

 

 

 

 

 

Clean or replace fuel filter.

 

Malfunction in fuel system?

Clean or replace carburetor.

 

 

Check carburetor float.

 

 

 

PAGE 36 — STOW G-4.5R A.C. GENERATOR— OPERATION & PARTS MANUAL — REV. #3 (03/13/06)

Image 36 Contents
Model G-4.5R Page Heres HOW to GET Help Table of Contents Parts Ordering Procedures When ordering parts Please supply the following informationStow G-4.5R Dimensions DimensionsSpecifications Effects of Altitude and HeatStow G-4.5R Safety Message Alert Symbols Burn HazardsRespiratory Hazards Equipment Damage Rotating Parts HazardsStow G-4.5R Rules for Safe Operation Read this manualPower Cord Safety Stow G-4.5R Rules for Safe OperationDeath EmergenciesPage Operation and Safety Decals S/N 5498030 and below Machine Safety DecalsOperation and Safety Decals S/N 5498031 and Above Stow G-4.5R Familarization Control PanelExcitation System EngineSingle Phase Load Stow G-4.5R Load ApplicationIncandescent Loads Small MotorsStow G-4.5R Controls and Indicators Generator Controls and ComponentsStow G-4.5R Controls and Indicators Stow G-4.5R Controls and Indicators With S/N 5498031 and above Stow G-4.5R Generator Refueling Generator RefuelingStow G-4.5R Installation Outdoor InstallationIndoor Installation MountingStow G-4.5R Installation Connecting the GroundGeneral Inspection Prior to Operation Ground Power Tools Extension CableMain Circuit Breaker Stow G-4.5R PRE-INSPECTION Engine Before StartingEngine Oil Check Fuel CheckStow G-4.5R Initial START-UP Engine Before Starting the EngineStow G-4.5R Initial START-UP ENGINE/OPERATION Noises that would associate with lose componentsMain Circuit Breaker on Stopping The Engine 120 VAC ReceptaclesStow G-4.5R Preparation for Long -TERM Storage Generator StoragePage Stow G-4.5R Maintenance Engine Engine Maintenance ScheduleStow G-4.5R Maintenance Engine Cleaning the Fuel StrainerMaintenance Stow G-4.5R Wiring Diagram S/N 5498030 and below Generator/Engine Wiring Diagram S/N 5498030 and BelowStow G-4.5R Wiring Diagram S/N 5498031 and Above Stow G-4.5R -TROUBLESHOOTING Engine Stow G-4.5R -TROUBLESHOOTING Engine WhiteStow G-4.5R -TROUBLESHOOTING Generator Generator TroubleshootingPage How to read the marks and remarks used in this parts book Items Found In the Items Number ColumnStow G-4.5R Suggested Spare Parts To 3 UnitsStow G-4.5R Name Plate and Decals S/N 5498030 and below Nameplate and Decals S/N 5498030 and belowStow G-4.5R Name Plate and Decals S/N 5498030 and below Stow G-4.5R Name Plate and Decals S/N 5498030 and Above Nameplate and Decals S/N 5498031 and AboveDecal Stow Decalwarning Read ManualDecal Operating Instructions Stow G-4.5R Generator Assy Generator AssyField Coil Assy SET BOLT, RotorSET WASHER, Bearing Spring WasherStow G-4.5R Control BOX ASSY. S/N 549830 and below Control BOX ASSY. S/N 549830 and belowStow G-4.5R Control BOX ASSY. S/N 549830 and below Stow G-4.5R Control BOX ASSY. S/N 549831 and Above Control BOX ASSY. S/N 549831 and AboveStow G-4.5R Control BOX ASSY. S/N 549831 and Above HEX NUTVR1H102MHA Stow G-4.5R Pipe Frame ASSY. S/N 549830 and below Pipe Frame ASSY. S/N 549830 and belowPipe Frame SUPPORT, Pipe FrameEngine Base Rubber SuspensionStow G-4.5R Pipe Frame ASSY. S/N 549831 and Above Pipe Frame ASSY. S/N 549830 and AboveHanger Plastic WasherHEX Head Bolt WASHER, FlatRobin EX270D20110- Crankcase Assy Crankcase AssyValve Guide Stem SealOIL Seal Ball BearingRobin EX270D20110 Crankshaft and Piston Assy Crankshaft and Piston AssyConnecting ROD Bolt Crankshaft CPFlange NUT Woodruff KEYRobin EX270D20110 Governor Assy Governor AssySPRING, Adjust Governor Operation AssyGovernor Lever Governor ShaftRobin EX270D20110 Intake and Exhaust Assy Intake and Exhaust AssyAdjust SCREW, M5X0.5X23L PIN, CAMSHAFT, 9DX78.5LSpring PIN, 4DX7.5DX11L Release LeverRobin EX270D20110 AIR Cleaner Assy AIR Cleaner AssyBody CP COVER, LOW ProfileElement Assy Robin EX270D20110 Cooling Starting Assy Cooling Starting AssyBlower Housing CP, Yellow LABEL, Trademark 64DBaffle 1, Case CP Baffle 2, HeadRobin EX270D20110 Carburetor Assy Fuel Lubricant AssyScrew Adjusting Valve ThrottleValve Choke JET SlowRobin EX270D20110 Flywheel Assy Flywheel AssyWire 2 CP, W/OIL Sensor Switch AssyFlywheel CP Ignition Coil CPRobin EX270D20110 Electric Device Assy Electric Device AssyOIL Sensor CP FLOAT, C/U CP3Tapping Bolt Clamp CPTerms and Conditions of Sale Stow Construction Equipment Page Heres HOW to GET Help