McCulloch MC1538ST manual Troubleshooting Points

Page 23

TROUBLESHOOTING POINTS

PROBLEM

CAUSE

 

CORRECTION

 

 

 

 

 

Will not start

1.

Out of fuel.

1.

Fill fuel tank.

 

2.

Engine not “CHOKED” properly.

2.

See “TO START ENGINE” in Operation section.

 

3.

Engine fl ooded.

3.

Wait several minutes before attempting to start.

 

4.

Bad spark plug.

4.

Replace spark plug.

 

5.

Dirty air fi lter.

5.

Clean/replace air fi lter.

 

6.

Dirty fuel fi lter.

6.

Replace fuel fi lter.

 

7.

Water in fuel.

7.

Empty fuel tank and carburetor, refi ll tank with fresh

 

 

 

 

gasoline and replace fuel fi lter.

 

8.

Loose or damaged wiring.

8.

Check all wiring.

 

9.

Carburetor out of adjustment.

9.

See “To Adjust Carburetor” in Service Adjustments

 

 

 

 

section.

 

10.

Engine valves out of adjustment.

10.

Contact an authorized service center/department.

 

 

 

 

 

Hard to start

1.

Dirty air fi lter.

1.

Clean/replace air fi lter.

 

2.

Bad spark plug.

2.

Replace spark plug.

 

3.

Weak or dead battery.

3.

Recharge or replace battery.

 

4.

Dirty fuel fi lter.

4.

Replace fuel fi lter.

 

5.

Stale or dirty fuel.

5.

Empty fuel tank and refi ll tank with fresh, clean

 

 

 

 

gasoline.

 

6.

Loose or damaged wiring.

6.

Check all wiring.

 

7.

Carburetor out of adjustment.

7.

See “To Adjust Carburetor” in Service Adjustments

 

 

 

 

section.

 

8.

Engine valves out of adjustment.

8.

Contact an authorized service center/department.

 

 

 

 

 

Engine will not turn over

1.

Clutch/brake pedal not depressed.

1.

Depress clutch/brake pedal.

 

2.

Attachment clutch is engaged.

2.

Disengage attachment clutch.

 

3.

Weak or dead battery.

3.

Recharge or replace battery.

 

4.

Blown fuse.

4.

Replace fuse.

 

5.

Corroded battery terminals.

5.

Clean battery terminals.

 

6.

Loose or damaged wiring.

6.

Check all wiring.

 

7.

Faulty ignition switch.

7.

Check/replace ignition switch.

 

8.

Faulty solenoid or starter.

8.

Check/replace solenoid or starter.

 

9.

Faulty operator presence switch(es).

9.

Contact an authorized service center/department.

 

 

 

 

 

Engine clicks but will not

1.

Weak or dead battery.

1.

Recharge or replace battery.

start

2.

Corroded battery terminals.

2.

Clean battery terminals.

 

3.

Loose or damaged wiring.

3.

Check all wiring.

 

4.

Faulty solenoid or starter.

4.

Check/replace solenoid or starter.

 

 

 

 

 

Loss of power

1.

Cutting too much grass/too fast.

1.

Raise cutting height/reduce speed.

 

2.

Throttle in “CHOKE” position.

2.

Adjust throttle control.

 

3.

Build-up of grass, leaves and trash under mower.

3.

Clean underside of mower housing.

 

4.

Dirty air fi lter.

4.

Clean/replace air fi lter.

 

5.

Low oil level/dirty oil.

5.

Check oil level/change oil.

 

6.

Faulty spark plug.

6.

Clean and regap or change spark plug.

 

7.

Dirty fuel fi lter.

7.

Replace fuel fi lter.

 

8.

Stale or dirty fuel.

8.

Empty fuel tank and refi ll tank with fresh, clean

 

 

 

 

gasoline.

 

9.

Water in fuel.

9.

Empty fuel tank and carburetor, refi ll tank with fresh

 

 

 

 

gasoline and replace fuel fi lter.

 

10.

Spark plug wire loose.

10.

Connect and tighten spark plug wire.

 

11.

Dirty engine air screen/fi ns.

11.

Clean engine air screen/fi ns.

 

12.

Dirty/clogged muffl er.

12.

Clean/replace muffl er.

 

13.

Loose or damaged wiring.

13.

Check all wiring.

 

14.

Carburetor out of adjustment.

14.

See “To Adjust Carburetor” in Service Adjustments

 

 

 

 

section.

 

15.

Engine valves out of adjustment.

15.

Contact an authorized service center/department.

 

 

 

 

 

Excessive vibration

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade bolt.

 

2.

Bent blade mandrel.

2.

Replace blade mandrel.

 

3.

Loose/damaged part(s).

3.

Tighten loose part(s). Replace damaged parts.

 

 

 

 

 

23

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Contents Model NO. MC1538ST MC1538STA II. Slope Operation Safety RulesSafe Operation Practices for Ride-On Mowers General OperationIV. Towing ServiceIII. Children Table of Contents Steering Wheel Unassembled PartsBefore Removing Tractor from Skid AssemblyTools Required for Assembly To Remove Tractor from CartonConnect Battery See Figs Check Brake System Check Tire PressureCheck Deck Levelness Check for Proper Position of ALL BeltsOperation Know Your Tractor HOW to USE Your Tractor Before Starting the Engine To Start Engine See Fig Mowing TipsBefore Each USE MaintenanceGeneral Recommendations Operator Presence System TractorBrake Operation TiresEngine Spark Plugs CleaningClean AIR INTAKE/COOLING Areas MufflerTo Remove Mower See Fig Service and AdjustmentsTo Install Mower See Fig Belt Removal To Level Mower HousingTo Replace Mower Blade Drive Belt See Fig To Replace Motion Drive Belt See Fig To Check and Adjust Brake See FigBelt Installation To Adjust BrakeFront Wheel TOE-IN/CAMBER To Adjust Steering Wheel ALIGN- MentTo Adjust Throttle Control Cable To Adjust CarburetorEngine OIL StorageOther Fuel SystemTroubleshooting Points With attachment clutch Tractor - Model Number MC1538ST MC1538STA, Product no 77 SchematicElectrical KEY Part NO. NO. Description Chassis Repair Parts Drive Repair Parts Steering Repair Parts Optional Equipment EngineKEY Part NO. no Description SeatWheels & Tires DecalsMower Lift Mower Deck KEY Part Description Service Notes Service Notes Policy Only Ride UP and Down Hill Not Across Hill Degrees MAX Suggested Guide for Sighting Slopes for Safe Operation

MC1538ST specifications

The McCulloch MC1538ST is a versatile and robust lawn mower designed for homeowners who seek performance combined with user-friendly features. This compact yet powerful mower is engineered to handle various mowing tasks effectively, making it a popular choice among gardening enthusiasts.

One of the standout features of the MC1538ST is its powerful 38cc engine. This engine provides ample power for cutting through thick grass and ensures reliable performance on different terrains. The durable steel cutting deck allows for a precise and clean cut, promoting a well-groomed lawn. The deck size of 38 cm makes it suitable for both small and medium-sized gardens, where maneuverability is crucial.

Another significant aspect of the MC1538ST is its unique cutting system. The mower comes with a three-in-one functionality; it can mulch, rear discharge, or collect grass clippings in a detachable bag. This versatility allows users to choose how they want to manage their grass clippings, enhancing the mowing experience while keeping the garden tidy.

The ergonomic design of the MC1538ST contributes to its ease of use. With a lightweight construction and comfortable handles, it is designed for effortless maneuverability. The mower features a foldable handle, making it easy to store in compact spaces. Moreover, the adjustable cutting height is another user-friendly feature, allowing for customization based on the grass type and desired length.

The MC1538ST adopts modern technology with its integrated safety features, including a safety switch that prevents unintended operation, enhancing user safety during mowing. The mower is also designed to minimize noise levels, providing a more pleasant mowing experience for both the user and any nearby neighbors.

In summary, the McCulloch MC1538ST is an excellent choice for those seeking a reliable and efficient lawn mower. With its powerful engine, versatile cutting options, and user-centric design, it streamlines the mowing process while ensuring an aesthetically pleasing lawn. Whether you’re a seasoned gardener or a novice, the MC1538ST will meet your lawn care needs with ease and efficiency.
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