Trouble Shooting; General Problems - Yard-Man 13A-325-402 Operator's Manual

General Problems
TROUBLE SHOOTING
Trouble
Excessive vibration
Possible Cause
1. Bent or damaged blade
2. Bent blade.
Remedial Action
1.
2.
Mowerwill not 1. Engine speed low. 1.
discharge grass or 2. Speed selection. 2.
leaves uncut strips
3. Cutting height set too low. 3.
4. Blades short or dull. 4.
Belt Problems
Trouble Possible Cause Remedial Action
Broken Belt 1. Sudden stop or shock load to belt 1
Stop engine immediately. Check all
pulleys, blade adapters, keys and bolts
for tightness and spindle damage.
Tighten or replace any damaged parts
Stop engine immediately. Replace
damaged blade. Only use original
equipment blades.
Throttle must be set at full throttle.
Use lower ground speed. Slower the
ground speed, better the quality of cut.
Raise the deck.
Sharpen or replace blades (uncut strip
problem only).
Belt comes off
Belt shreds
2. Incorrect belt used
3. Belt engaged abruptly
4. Defective or damaged belt
1. Belt too loose; stretched
2. Broken or weak idler spring
1. Belt guides or guards incorrectly adjusted
2. Pulleys not aligned
3. Pulley rusted or in otherwise bad condition;
frozen bearing
inspect rider for cause such as foreign
obiects stuck in between deck and
frame or belt path. Remove
obstruction and check * for damage.
Replace belt if needed.
2. Replace* with proper belt. Check Parts
list m this manual for correct part
number.
3. Engage belt slowly by depressing the
blade engagement pedal slowly.
4. Replace* with proper belt. Follow
instructions in Service and
Adjustments section.
1. Readjust belt. Replace if needed.
Follow instructions for belt
replacement in the Service and
Adjustments section.
2. Replace. Orderwith correct part
number from Parts List in this manual.
1. Adjust belt guides and guards so that
these are approximately 1/16 to 1/8
inch from belt when engaged.
2. Realign pulleys to be within
approximately 1/16 inch of each other.
Check with straight edge. Make sure
fastening hardware is tight.
3. Replace pulleys. Order with correct part
number from the Parts List in this
manual. Adjust new pulleys to 1/16 inch.
*Do not use a screwdriver to push or pry belt on to pulley. This may damage internal cords.
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