McCulloch 96192004000, MC624ES owner manual Troubleshooting

Page 19

TROUBLESHOOTING

See appropriate section in manual unless directed to an authorized service center/department.

PROBLEM

 

CAUSE

 

CORRECTION

Does not start

1.

Fuel shut-off valve (if so

1.

Turn fuel shut-off valve to OPEN position.

 

 

equipped) in OFF position.

 

 

 

2.

Safety ignition key

2.

Insert safety ignition key.

 

 

is not inserted.

 

 

 

3.

Out of fuel.

3.

Fill fuel tank with fresh, clean gasoline.

 

4.

Throttle in STOP position

4.

Move throttle to FAST position

 

 

(or ON/OFF switch is OFF).

 

(or ON/OFF switch to ON position).

 

5.

Choke in OFF position.

5.

Move to FULL position.

 

6.

Primer not depressed.

6.

Prime as instructed in the Operation section of this manual.

 

7.

Engine is flooded.

7.

Wait a few minutes before restarting, DO NOT prime.

 

8.

Spark plug wire is

8.

Connect wire to spark plug.

 

 

disconnected.

 

 

 

9.

Bad spark plug.

9.

Replace spark plug.

 

10.

Stale fuel.

10.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

11.

Water in fuel.

11.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

 

 

 

 

Loss of power

1.

Spark plug wire loose.

1.

Reconnect spark plug wire.

 

2.

Throwing too much snow.

2.

Reduce speed and width of swath.

 

3.

Fuel tank cap is covered

3.

Remove ice and snow on and around fuel tank cap.

 

 

with ice or snow.

 

 

 

4.

Dirty or clogged muffler.

4.

Clean or replace muffler.

 

 

 

 

 

Engine idles or

1.

Choke is in FULL position.

1.

Move choke to OFF position.

runs roughly

2.

Blockage in fuel line.

2.

Clean fuel line.

 

3.

Stale fuel.

3.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

4.

Water in fuel.

4.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

5.

Carburetor is in need of

5.

Contact an authorized service center/department.

 

 

adjustment or overhaul.

 

 

 

 

 

 

 

Excessive

1.

Loose parts or damaged

1.

Tighten all fasteners. Replace damaged parts. If vibration

vibration

 

augers or impeller.

 

remains, contact an authorized service center/department.

 

 

 

 

 

Recoil starter

1.

Frozen recoil starter.

1.

See “IF RECOIL STARTER HAS FROZEN”

is hard to pull

 

 

 

in the Operation section of this manual.

 

 

 

 

 

Loss of traction

1.

Drive belt is worn.

1.

Check / replace drive belt.

drive / slowing

2.

Drive belt is off of pulley.

2.

Check / reinstall drive belt.

of drive speed

3.

Friction drive wheel is worn.

3.

Contact an authorized service center/department.

 

 

 

 

 

Loss of snow

1.

Auger belt is off of pulley.

1.

Check / reinstall auger belt.

discharge or

2.

Auger belt is worn.

2.

Check / replace auger belt.

slowing of

3.

Clogged discharge chute.

3.

Clean snow chute.

snow discharge

4.

Augers / impeller jammed.

4.

Remove debris or foreign object from augers / impeller.

 

 

 

 

 

19

Image 19
Contents MC624ES Safe Operation Practices for Walk-Behind Snow Throwers Table of Contents Remove Snow Thrower from Carton Assembly / PRE-OPERATIONHOW to SET UP Your Snow Thrower Parts Packed Separately in CartonInstall Traction Drive Control ROD See Figs Install Speed Control ROD See FigsUnfold Upper Handle Install Discharge Chute / Chute Rotater Head See Fig Install Auger Control ROD See FigsCheck Tire Pressure Ignition KEY OperationKnow Your Snow Thrower PrimerElectric start button used for starting the engine Meets A.N.S.I. Safety RequirementsTo USE Choke Control See Fig HOW to USE Your Snow ThrowerStopping To USE Fuel SHUT-OFF Valve See FigTo Throw Snow See Fig Using the CLEAN-OUT Tool See FigTo Move Forward and Backward See Fig Check Engine OIL Level See Fig To Adjust Skid Plates See FigBefore Starting the Engine Scraper BAR See FigIf Recoil Starter has Frozen Snow Throwing TipsTo Start Engine Before StoppingLubrication MaintenanceGeneral Recommendations Before Each USEEngine CleaningShear Bolts See Fig Service and AdjustmentsTo Adjust Snow Thrower Height Chute DeflectorTo Replace Belts See Fig Engine Speed To Adjust Cable Tension See FigTo Remove Wheels See Fig CarburetorEngine OIL StorageOther Fuel SystemTroubleshooting Exploded KEY Part Description Scrapper BAR Auger HousingAuger Assembly LH Auger Assembly RHSkid Plate RH Auger BearingBearing Plug Skid Plate LHPlastic Washer Knob BlackPOP Rivet WasherRotator Head LEVER/CABLE Rotator AssemblyCable Assembly Adjustable Cable Assembly Heat ShieldPivot Support Weldment 196944X431 Panel Bracket LH 196943X431 Panel Bracket RHHandle Grip Lower HandleRetainer 424517X431 Control Lever LH 424516X431 Control Lever RH426918X008 Impeller ROD ARM Interlock Bail SpacerShifter ROD Bottom Impeller RODTraction ROD Shifter ROD TOPTorsion Spring Console PanelInterlock Spring Interlock CAMRepair Parts Snow Thrower - Model Number MC624ES Drive Rubber Ring AssemblyDrive Plate Assembly Speed SelectorClik PIN Axle ShaftRoll PIN 3/16 SprocketEngine Mounting Plate Complete LCT EngineFrame 427963X421Electric Start Only Part Description Idler Pulley Impeller BeltTraction Belt Idler ARM Bracket433665X421 Wheel Assembly LH433666X421 422663 Safety Ignition KEYDECAL, Danger 181037Service Notes Service Notes Limited Warranty