Stow manual Stow CMS-44S Concrete Mixer Troubleshooting Engine, Engine Troubleshooting

Page 30

STOW CMS-44S CONCRETE MIXER — 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 Troubleshooting (Tables 9 and 10) information shown below and on the next 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 9. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

Difficult to start

 

 

 

 

 

 

Ignition plug being bridge?

Check ignition system.

 

 

 

Fuel is available but spark plug

Carbon deposit at ignition?

Clean or replace ignition.

 

 

will not ignite. (Power available

Short circuit due to defective

Replace insulators.

at high tension cable).

insulators?

 

 

 

 

 

 

 

Improper spark gap?

Set spark plug gap to the correct gap.

 

 

 

Fuel is available but spark plug

Short circuit at stop switch?

Check stop switch circuit. Replace stop switch if defective.

will not ignite. (Power NOT

 

 

 

 

available at high tension cable).

Ignition coil defective?

Replace ignition coil.

 

 

 

 

Muffler clogged with carbon

Clean or replace muffler.

 

deposits?

 

Fuel is available and spark plug

 

 

Fuel in use inadequate (water,

Flush fuel sytem and replace with fresh fuel.

ignites (compression normal).

dust)?

 

 

 

 

 

 

 

Air Cleaner clogged?

Clean or replace air cleaner.

 

 

 

 

Defective cylinder head gasket?

Tighten cylinder head bolts or replace head gasket.

Fuel is available and spark plug

 

 

Cylinder worn?

Replace cylinder.

ignites (compression low ).

 

 

 

Spark plug loose?

Tighen spark plug.

 

 

 

Operation not satisfactory

 

 

 

 

 

 

Air cleaner clogged?

 

 

 

 

Not enough power available

Air in fuel line?

Bleed (remove air) from fuel line.

 

 

(compression normal, no miss-

Fuel level in carbureator float

 

firing).

Adjust carbureator float

chamber improper?

 

 

 

 

 

 

Carbon deposits in cylinder?

Clean or replace cylinder

 

 

 

 

Ignition coil defective?

Flush fuel sytem and replace with fresh fuel.

Not enough power available

 

 

Ignition plug often shorts?

Replace ignition wires, clean ignition.

(compression normal, miss-

 

 

firing).

Fuel in use inadequate (water,

Flush fuel sytem and replace with fresh fuel.

 

 

dust)?

 

 

 

 

 

Excessive carbon depostion in

Clean or replace crankcase.

 

combustion chamber?

 

 

 

 

Engine overheats.

Exhaust or muffler clogged with

Clean or replace muffler.

 

carbon.

 

 

 

 

 

Spark plug heat value incorrect?

Replace spark plug with correct type spark plug.

 

 

 

PAGE 30 —STOW CMS-44S CONCRETE MIXER— OPERATION & PARTS MANUAL — REV. #6 (04/02/07)

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Contents Concrete Mixer Page Heres HOW to GET Help Stow CMS-44S Concrete Mixer Table of Contents Parts Ordering Procedures When ordering parts Please supply the following informationStow CMS-44S Concrete Mixer Specifications Specifications Engine/Electric MotorStow CMS-44S Concrete Mixer Dimensions Mixer Mixer DimensionsStow CMS-44S Concrete Mixer Safety Message Alert Foryour Safety and the Safety of OthersGeneral Safety Stow CMS-44S Concrete Mixer Rules for Safe OperationStow CMS-44S Concrete Mixer Rules for Safe Operation EmergenciesStow CMS-44S Concrete Mixer Operation & Safety Decals Machine Safety DecalsStow CMS-44S Concrete Mixer General Information Stow CMS-44S Concrete Mixer Mixer Basic Components Mixer Major ComponentsStow CMS-44S Concrete Mixer Basic Engine Components Starting, OFF position stops engine operationsStow CMS-44S Concrete Mixer Handwheel Assembly AssemblyStow CMS-44S Concrete Mixer -TOWING Guidelines Tow Bar to Vehicle Connection Coupler OnlyMixer Tow Bar Vehicle Connection Pintle and Loop Stow CMS-44S Concrete Mixer Safety Chain Connection Tow Bar to Mixer ConnectionElectric Motor Electric Motor Voltage Change SwitchStow CMS-44S Concrete Mixer Electric Motor Electric Motor ConnectionSingle Phase Electric Motor with 12 inch Pigtail Cable Stow CMS-44S Concrete Mixer Electric MotorStow CMS-44S Concrete Mixer PRE-INSPECTION GAS Engine Stow CMS-44S Concrete Mixer Initial START-UP GAS Engine Starting the Engine Gasoline OnlyStow CMS-44S Concrete Mixer Initial START-UP ELECT. Motor Initial Start-up Instructions Electric Motor StartingStarting the Electric Motor Stow CMS-44S Concrete Mixer Operation OperationStopping the Mixer Electric Stow CMS-44S Concrete Mixer Maintenance Engine Stow CMS-44S Concrete Mixer Maintenance Engine MaintenanceStow CMS-44S Concrete Mixer Maintenance Mixer Grease Fittings MixerStow CMS-44S Concrete Mixer Maintenance Mixer Tires/Wheels/Lug NutsTo tighten wheel lug nuts Page Stow CMS-44S Concrete Mixer Troubleshooting Engine Engine TroubleshootingStow CMS-44S Concrete Mixer -TROUBLESHOOTING ENG./MIXER Engine TroubleshootingExplanation of Code in Remarks Column Items Found In the Remarks ColumnStow CMS-44S Concrete Mixer Suggested Spare Parts Qty DescriptionStow CMS-44S Concrete Mixer Name Plate and Decals Name Plate and DecalsStow CMS-44S Concrete MIXER- Name Plate and Decals Stow CMS-44S Steel Barrel Assy Steel Barrel AssyKing PIN Housing JackshaftPLUG, Expansion Ring GearStow CMS-44S Main Frame Assy Main Frame AssyWASHER, Lock 1/4 Handwheel Safety ChainGUARD, Gear Wheel ReplacesStow CMS-44S Axle Assy Axle AssyBearing Cone Lock NUT 1/2 NCOIL Seal Bearing CUPStow CMS-44S Cabinet Assy Cabinet AssyWASHER, Flat 5/16 Rubber ProtectorIncludes Item W Latch ASSY., CompleteStow CMS-44S GAS Engine Mounting Plate Assy GAS Engine Mounting Plate AssyRING, Retaining SWITCH, StopENGINE, Honda 3.9 HP Square KEY 1/4 X 35 MMStow CMS-44S Electric Motor Mounting Plate Assy Electric Motor Mounting Plate AssyDrive Pulley Stow CMS-44S Electric Motor Mounting Plate AssyMOTOR, Electric .5 HP Base Plate EngineHonda GX120K1QX2 Engine AIR Cleaner Assy AIR Cleaner AssyCollar B, AIR Cleaner GROMMET, AIR CleanerCOLLAR, AIR Cleaner GASKET, ElbowHonda GX120K1QX2 Engine Camshaft Assy Camshaft AssyARM, Valve Rocker SPRING, Weight ReturnROD, Push LIFTER, ValveHonda GX120K1QX2 Engine Carburetor Assy Carburetor AssyValve SET, Float PLATE, Lever SettingGasket SET Float SETHonda GX120K1QX2 Engine Control Assy Control AssySPRING, Governor ARM, GovernorROD, Governor SPRING, Throttle ReturnHonda GX120K1QX2 Engine Crankcase Cover Assy Crankcase Cover AssyBEARING, Radial Ball GASKET, Case CoverGASKET, OIL Filler CAP PIN A, DowelHonda GX120K1QX2 Engine Crankshaft Assy Crankshaft AssyCRANKSHAFT, H-TYPE Honda GX120K1QX2 Engine Cylinder Barrel Assy Cylinder Barrel AssySLIDER, Governor WEIGHT, GovernorPIN, Governor Weight SHAFT, Governor ARMHonda GX120K1QX2 Engine Cylinder Head Assy Cylinder Head AssyGASKET, Cylinder Head GUIDE, Valve OS OptionalCLIP, Valve Guide COVER, HeadHonda GX120K1QX2 Engine FAN Cover Assy FAN Cover AssyCOVER, FAN *NH1* Black GROMMET, Adjusting CoverWIRE, Stop Switch 370MM PLATE, Side OIL AlertHonda GX120K1QX2 Engine Flywheel Assy Flywheel AssyFlywheel FAN, CoolingPULLEY, Starter NUT, Special 14MMHonda GX120K1QX2 Engine Fueltank Assy Fuel Tank AssyTANK, Fuel *NH1* Black RUBBER, Supporter 107MMJOINT, Fuel Tank GASKET, Fuel Filler CAPHonda GX120K1QX2 Engine Ignition Coil Assy Ignition Coil AssyCoil ASSEMBLY, Ignition Honda GX120K1QX2 Engine Muffler Assy Muffler AssyGASKET, Muffler MufflerPROTECTOR, Muffler SCREW, TappingHonda GX120K1QX2 Engine Piston Assy Piston AssyPISTON, Standard BOLT, Connecting RODRing SET, Piston Standard PISTON, OSHonda GX120K1QX2 Engine Recoil Starter Assy Recoil Starter AssyRATCHET, Starter SCREW, SettingREEL, Recoil Starter GUIDE, RatchetNo Artwork Avalible Honda GX120K1QX2 Engine Gasket KIT Assy Gasket KIT AssyHonda GX120K1QX2 Engine Labels Assy Labels AssyLabel Caution Mark ChokeMARK, OIL Alert Payment Terms Page Service DEPARTMENT/TECHNICAL Assistance