6

Trouble

Shooting

For repairs beyond the minor adjustments listed here, contact an authorized service dealer.

Problem

 

Cause

 

Remedy

 

 

 

 

 

Engine fails to start

1.

Blade control disengaged.

1.

Engage blade control.

 

 

2.

Spark plug wire disconnected.

2.

Connect wire to spark plug.

 

 

3.

Fuel tank empty or stale fuel.

3.

Fill tank with clean, fresh gasoline.

 

 

4.

Engine not primed.

4.

Prime engine as instructed in “Operat-

 

 

 

 

 

ing Your Lawn Mower”.

 

 

5.

Faulty spark plug.

5.

Clean, adjust gap, or replace.

 

 

6.

Blocked fuel line.

6.

Clean fuel line.

 

 

7.

Engine flooded.

7.

Wait a few minutes to restart, but do

 

 

 

 

 

not prime.

 

 

 

 

 

 

 

Engine runs erratic

1.

Spark plug wire loose.

1.

Connect and tighten spark plug wire.

 

2.

Blocked fuel line or stale fuel.

2.

Clean fuel line; fill tank with clean,

 

 

 

 

fresh gasoline.

 

3.

Vent in gas cap plugged.

3.

Clear vent.

 

4.

Water or dirt in fuel system.

4.

Drain fuel tank. Refill with fresh fuel.

 

5.

Dirty air cleaner.

5.

Refer to engine manual.

 

6.

Carburetor out of adjustment.

6.

Refer to engine manual.

Engine overheats

1.

Engine oil level low.

1. Fill crankcase with proper oil.

 

2.

Air flow restricted.

2.

Remove blower housing

 

 

 

 

and clean.

 

3. Carburetor not adjusted properly.

3.

Refer to engine manual.

 

 

 

 

Occasional skips

1.

Spark plug gap too close.

1. Adjust gap to .030”.

(hesitates) at

2.

Carburetor idle mixture adjustment

2.

Refer to engine manual.

high speed

 

improperly set.

 

 

 

 

 

 

 

 

 

 

Idles poorly

1.

Spark plug fouled, faulty or gap

1. Reset gap to .030” or replace

 

 

too wide.

 

spark plug.

 

2.

Carburetor improperly adjusted.

2.

Refer to engine manual.

 

3.

Dirty air cleaner.

3.

Refer to engine manual.

 

 

 

 

Excessive

1.

Cutting blade loose or unbalanced.

1. Tighten blade and adapter. Balance

Vibration

 

 

 

blade.

 

2.

Bent cutting blade.

2.

See an authorized service dealer.

 

 

 

 

Mower will not

1.

Wet grass.

1. Do not mow when grass is wet; wait

mulch grass (If

 

 

 

until later to cut.

2.

Excessively high grass.

2.

Mow once at a high cutting height,

Equipped)

 

 

 

then mow again at desired height or

 

 

 

 

 

 

 

 

make a narrower cutting path.

 

3.

Dull blade.

3.

Sharpen or replace blade.

 

 

 

 

Uneven cut

1.

Wheels not positioned correctly.

1. Place all four wheels in same

 

 

 

 

height position.

 

2.

Dull blade.

2.

Sharpen or replace blade.

 

 

 

 

Mower will not

1.

Belt not installed properly.

1. Check belt for proper pulley installation

self propel

 

 

 

and movement.

2.

Debris clogging drive operation.

2.

Stop engine, disconnect spark plug

 

 

 

 

 

wire and clean out debris.

 

3.

Damaged or worn belt.

3.

Inspect and replace belt.

 

 

 

 

 

14

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MTD 838 warranty Trouble Shooting, Problem Cause Remedy
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838 specifications

The MTD 838 is a powerful and versatile rotary lawn mower, designed to meet the demands of both residential and commercial landscaping. Engineered with precision, this model stands out in the competitive mower market due to its advanced features and user-friendly design.

One of the defining characteristics of the MTD 838 is its robust engine. Equipped with a high-performance four-stroke engine, it delivers reliable power, ensuring optimal cutting performance across different types of grass and terrain. The engine is specifically designed to provide excellent torque, allowing it to handle thick grass and uneven ground with ease.

The cutting deck of the MTD 838 is another standout feature. With a width of 21 inches, it allows for efficient mowing in both open areas and tighter spaces. The deck is constructed from durable materials, ensuring longevity and the ability to withstand harsh conditions. Additionally, the mower features a three-in-one cutting system, which allows users to choose between bagging, mulching, or side discharge, providing flexibility to achieve the desired lawn finish.

For user convenience, the MTD 838 incorporates a self-propelled drive system, making it easy to maneuver without requiring excessive effort from the operator. This feature is particularly beneficial for those who may struggle with heavy machinery, allowing for a more enjoyable mowing experience. The adjustable speed settings also customize the mowing pace, ensuring comfort and control during operation.

Ergonomics play a crucial role in the design of the MTD 838. It features an adjustable handle that accommodates different user heights and ensures a comfortable grip. This is complemented by a lightweight structure, which aids in easy transportation and storage.

Safety is paramount with the MTD 838. It includes essential safety features such as a blade brake, which stops the blades quickly when the handle is released, and a sturdy body design that minimizes the risk of debris projection.

In summary, the MTD 838 is a versatile and reliable lawn mower that brings together power, efficiency, and user-centric design. Whether you're maintaining a small residential lawn or managing larger green spaces, the MTD 838 is equipped to deliver exceptional results with ease. Its combination of advanced technologies, durable construction, and safety features makes it a valuable addition to any lawn care toolkit.
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