Murray MB12538LT manual Engine dies when

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TROUBLESHOOTING POINTS

PROBLEM

CAUSE

CORRECTION

 

 

 

 

 

Engine dies when

1.

Reverse operation system

1.

Turn ignition key to

tractor is shifted

 

(ROS) is not "ON" while

 

ROS "ON" position.

into reverse

 

mower or other attachment

 

See Operation section.

 

 

is engaged.

 

 

 

 

 

 

 

Engine continues to run

1.

Faulty operator-safety presence control system.

1.

Check wiring, switches and connections. If not

when operator leaves seat

 

 

 

corrected, contact an authorized service center/

with attachment clutch

 

 

 

department.

engaged

 

 

 

 

 

 

 

 

 

Poor cut - uneven

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade bolt.

 

2.

Mower deck not level.

2.

Level mower deck.

 

3.

Buildup of grass, leaves, and trash under mower.

3.

Clean underside of mower housing.

 

4.

Bent blade mandrel.

4.

Replace blade mandrel.

 

5.

Clogged mower deck vent holes from buildup of

5.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Mower blades will not

1.

Obstruction in clutch mechanism.

1.

Remove obstruction.

rotate

2.

Worn/damaged mower drive belt.

2.

Replace mower drive belt.

 

3.

Frozen idler pulley.

3.

Replace idler pulley.

 

4.

Frozen blade mandrel.

4.

Replace blade mandrel.

 

 

 

 

 

Poor grass discharge

1.

Engine speed too slow.

1.

Place throttle control in “FAST” position.

 

2.

Travel speed too fast.

2.

Shift to slower speed.

 

3.

Wet grass.

3.

Allow grass to dry before mowing.

 

4.

Mower deck not level.

4.

Level mower deck.

 

5.

Low/uneven tire air pressure.

5.

Check tires for proper air pressure.

 

6.

Worn, bent or loose blade.

6.

Replace/sharpen blade. Tighten blade bolt.

 

7.

Buildup of grass, leaves and trash under mower.

7.

Clean underside of mower housing.

 

8.

Mower drive belt worn.

8.

Replace mower drive belt.

 

9.

Blades improperly installed.

9.

Reinstall blades sharp edge down.

 

10.

Improper blades used.

10.

Replace with blades listed in this manual.

 

11.

Clogged mower deck vent holes from buildup of

11.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Headlight(s) not working

1.

Light switch is “OFF”.

1.

Turn light switch “ON”.

(if so equipped)

2.

Bulb(s) or lamp(s) burned out.

2.

Replace bulb(s) or lamp(s).

 

3.

Faulty light switch.

3.

Check/replace light switch.

 

4.

Loose or damaged wiring.

4.

Check wiring and connections.

 

5.

Blown fuse.

5.

Replace fuse.

 

 

 

 

 

Battery will not charge

1.

Bad battery cell(s).

1.

Replace battery.

 

2.

Poor cable connections.

2.

Check/clean all connections.

 

3.

Faulty regulator (if so equipped).

3.

Replace regulator.

 

4.

Faulty alternator.

4.

Replace alternator.

 

 

 

 

 

Engine “backfires” when

1.

Engine throttle control not set between half and

1.

Move throttle control between half and full speed

turning engine “OFF”

 

full speed (fast) position before stopping engine.

 

(fast) position before stopping engine.

 

 

 

 

 

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Contents MB12538LT Always Wear EYE Protection During OperationGeneral Operation Safety RulesSafe Operation Practices for Ride-On Mowers II. Slope OperationIII. Children ServiceGeneral Service IV. TowingTable of Contents Contents of Hardware Pack To Remove Tractor from Carton AssemblyTools Required for Assembly Before Removing Tractor from SkidCheck Battery See Fig Check for Proper Position of ALL Belts Check Tire PressureCheck Deck Levelness Check Brake SystemOperation Know Your Tractor HOW to USE Your Tractor To Operate on Hills Reverse Operation System ROSTo Operate Mower See Fig To TransportADD Gasoline Before Starting the EngineCheck Engine OIL Level To Start Engine See FigMowing Tips Maintenance General RecommendationsTo Sharpen Blade See Fig TractorBlade Removal See Fig Belts BatteryEngine Transaxle CoolingAIR Filter CleaningClean AIR Screen MufflerTo Remove Mower See Fig Service and AdjustmentsTo Install Mower See Fig To Replace Mower Blade Drive Belt See Fig To Level Mower HousingBelt Installation Belt RemovalTo Replace Motion Drive Belt See Fig To Check and Adjust Brake See FigTo Adjust Brake To Check BrakeTo Start Engine with a Weak Battery See Fig Transaxle Gear Shift Lever NEUTRAL- Adjustment See FigTo Adjust Steering Wheel ALIGN- Ment Front Wheel TOE-IN/CAMBERTo Adjust Carburetor To Adjust Throttle Control CableTo Adjust Choke Control To Replace Headlight BulbFuel System StorageOther Engine OILTroubleshooting Points Problem Cause CorrectionEngine dies when Limited Warranty Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAX

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.
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