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.

 

 

 

 

 

27

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Image 27
McCulloch 422800 manual Engine dies when
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422800 specifications

The McCulloch 422800 is a powerful and versatile chainsaw designed for both professional and recreational woodworkers. Aimed at providing an efficient solution for cutting tasks, this model has garnered attention for its robust features, advanced technologies, and user-friendly design.

One of the standout characteristics of the McCulloch 422800 is its efficiency. It is equipped with a 42cc engine, which delivers a strong performance while ensuring that fuel consumption remains at a reasonable level. This balance of power and efficiency allows users to tackle a variety of cutting tasks, from felling small trees to limb removal and firewood preparation.

A notable feature of the McCulloch 422800 is its lightweight design, making it easy for users to maneuver during operation. Weighing only around 10.5 lbs, this chainsaw reduces user fatigue, enabling longer periods of work without discomfort. The ergonomic handle design further enhances comfort and control, allowing operators to maintain a firm grip even in challenging conditions.

The chainsaw features an automatic oiling system, which ensures that the cutting bar and chain receive the necessary lubrication during operation, enhancing overall performance and extending the lifespan of the components. This system also minimizes the risk of overheating, a common concern for chain saw enthusiasts and professionals alike.

Safety is a priority in the design of the McCulloch 422800, featuring a chain brake that stops the chain in case of kickback, protecting the user from potential injuries. Additionally, the chainsaw is equipped with a throttle lock, which prevents unintentional acceleration, further enhancing safety during use.

Maintenance is straightforward with the McCulloch 422800, as it includes easy access to the air filter and spark plug, simplifying routine checks and servicing. This user-centric design minimizes downtime and ensures that users can keep their chainsaw in optimal working condition.

A powerful, lightweight, and feature-rich tool, the McCulloch 422800 is perfect for both seasoned professionals and casual users interested in reliable performance. Its combination of efficiency, safety features, and ease of maintenance make it an excellent choice for anyone looking to tackle wood cutting tasks with confidence.
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