Murray MB12538LT manual Troubleshooting Points, Problem Cause Correction

Page 25

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.

 

 

 

 

 

 

25

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Contents Always Wear EYE Protection During Operation MB12538LTSafe Operation Practices for Ride-On Mowers Safety RulesGeneral Operation II. Slope OperationGeneral Service ServiceIII. Children IV. TowingTable of Contents Contents of Hardware Pack Tools Required for Assembly AssemblyTo Remove Tractor from Carton Before Removing Tractor from SkidCheck Battery See Fig Check Deck Levelness Check Tire PressureCheck for Proper Position of ALL Belts Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor To Operate Mower See Fig Reverse Operation System ROSTo Operate on Hills To TransportCheck Engine OIL Level Before Starting the EngineADD Gasoline To Start Engine See FigMowing Tips General Recommendations MaintenanceBlade Removal See Fig TractorTo Sharpen Blade See Fig Engine BatteryBelts Transaxle CoolingClean AIR Screen CleaningAIR Filter MufflerTo Install Mower See Fig Service and AdjustmentsTo Remove Mower See Fig Belt Installation To Level Mower HousingTo Replace Mower Blade Drive Belt See Fig Belt RemovalTo Adjust Brake To Check and Adjust Brake See FigTo Replace Motion Drive Belt See Fig To Check BrakeTo Adjust Steering Wheel ALIGN- Ment Transaxle Gear Shift Lever NEUTRAL- Adjustment See FigTo Start Engine with a Weak Battery See Fig Front Wheel TOE-IN/CAMBERTo Adjust Choke Control To Adjust Throttle Control CableTo Adjust Carburetor To Replace Headlight BulbOther StorageFuel System Engine OILProblem Cause Correction Troubleshooting PointsEngine dies when Limited Warranty Only Ride UP and Down Hill Not Across Hill Degrees MAX Suggested Guide for Sighting Slopes for Safe Operation

MB12538LT specifications

The Murray MB12538LT is a versatile and robust lawn mower designed for both residential and light commercial use. This model combines innovative technology with user-friendly features, making it an excellent choice for homeowners and landscaping professionals alike. One of the standout features of the MB12538LT is its powerful 125cc engine, which provides ample power to tackle tough mowing conditions. The engine is designed for efficiency, ensuring that users can cover more ground with less fuel consumption.

Another significant characteristic of the Murray MB12538LT is its cutting deck. With a 38-inch cutting width, it allows for efficient mowing of medium to large lawns. The deck is constructed from durable materials, ensuring longevity and resistance to wear and tear. Additionally, the mower offers multiple cutting heights, ranging from 1 inch to 3.5 inches, allowing users to customize their mowing experience based on the grass type and condition.

Murray has integrated advanced technologies into the MB12538LT to enhance user experience. The push-button start feature simplifies the starting process, eliminating the need for cumbersome pull cords. The mower also includes an ergonomic handle that can be adjusted for comfort, aiding users in maintaining a healthy posture while mowing.

One of the most appealing aspects of the MB12538LT is its lightweight design, which makes it easy to maneuver in tight spaces and around obstacles such as trees and flower beds. The rear-wheel drive system enhances traction, providing stability and control on slopes and uneven terrain.

Maintenance is straightforward with the Murray MB12538LT, as it is equipped with readily accessible components for easy oil changes and blade replacement. The mower's design includes a grass bagging option, allowing for efficient grass collection and disposal, which promotes a cleaner lawn and reduces the need for raking.

In summary, the Murray MB12538LT is an excellent choice for those seeking a reliable, easy-to-use lawn mower with essential features that promote efficiency and comfort. With its powerful engine, durable construction, and thoughtful design, it stands out in the crowded market of lawn care equipment. Whether you're a homeowner looking to maintain a tidy lawn or a professional landscaper in need of an efficient tool, the MB12538LT meets various mowing needs with reliability and performance.