SECTION 10: TROUBLE-SHOOTING

Trouble

 

Possible Cause

 

Remedial Action

 

 

 

 

 

 

 

 

 

 

Excessive vibration

1.

Bent or damaged blade

1.

Stop engine immediately. Check all

 

 

 

 

pulleys, blade adapters, keys and bolts for

 

 

 

 

tightness and spindle damage. Tighten or

 

 

 

 

replace any damaged parts.

 

2.

Bent blade.

2.

Stop engine immediately. Replace

 

 

 

 

damaged blade. Only use original

 

 

 

 

equipment blades.

Mower will not

1.

Engine speed low.

1.

Throttle must be set at full throttle.

discharge grass or

2.

Speed selection.

2.

Use lower ground speed. Slower the

leaves uncut strips

 

 

 

ground speed, better the quality of cut.

 

3.

Cutting height set too low.

3.

Raise the deck.

 

4.

Blades short or dull.

4.

Sharpen or replace blades (uncut strip

 

 

 

 

problem only).

Broken Belt

1.

Sudden stop or shock load to belt

1.

Inspect rider for cause such as foreign

 

 

 

 

objects stuck in between deck and frame or

 

 

 

 

belt path. Remove obstruction and check

 

 

 

 

for damage. Replace belt if needed.

 

2.

Incorrect belt used

2.

Replace with proper belt. Check Parts list

 

 

 

 

in this manual for correct part number.

 

3.

Belt engaged abruptly

3.

Engage belt slowly by depressing the

 

 

 

 

blade engagement pedal slowly.

 

4.

Defective or damaged belt

4.

Replace with proper belt. Follow

 

 

 

 

instructions in Service and Adjustments

 

 

 

 

section.

Belt comes off

1.

Belt too loose; stretched

1.

Readjust belt. Replace if needed. Follow

 

 

 

 

instructions for belt replacement in the

 

 

 

 

Service and Adjustments section.

 

2.

Broken or weak idler spring

2.

Replace. Order with correct part number

 

 

 

 

from Parts List in this manual.

Belt shreds

1.

Belt guides or guards incorrectly adjusted

1.

Adjust belt guides and guards so that these

 

 

 

 

are approximately 1/16 to 1/8 inch from belt

 

 

 

 

when engaged.

 

2.

Pulleys not aligned

2.

Realign pulleys to be within approximately

 

 

 

 

1/16 inch of each other. Check with straight

 

 

 

 

edge. Make sure fastening hardware is

 

 

 

 

tight.

 

3.

Pulley rusted or in otherwise bad condition;

3.

Replace pulleys. Order with correct part

 

 

frozen bearing

 

number from the Parts List in this manual.

 

 

 

 

Adjust new pulleys to 1/16 inch.

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Yard-Man 13B-325-401 manual Trouble-Shooting, Trouble Possible Cause Remedial Action