Bolens 13B-325-401 Manual Do Serviço

20

Excessive vibration

1.

Bent or damaged blade

2.

Bent 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.

Stop engine immediately. Replace 
damaged blade. Only use original 
equipment blades.

Mower will not 
discharge grass or 
leaves uncut strips

1.

Engine speed low.

2.

Speed selection.

3.

Cutting height set too low.

4.

Blades short or dull.

1.

Throttle must be set at full throttle.

2.

Use lower ground speed. Slower the 
ground speed, better the quality of cut.

3.

Raise the deck.

4.

Sharpen or replace blades (uncut strip 
problem only).

Broken Belt

1.

Sudden stop or shock load to belt

2.

Incorrect belt used

3.

Belt engaged abruptly

4.

Defective or damaged 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.

Replace with proper belt. Check Parts list 
in 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.

Belt comes off

1.

Belt too loose; stretched

2.

Broken or weak idler spring

1.

Readjust belt. Replace if needed. Follow 
instructions for belt replacement in the 
Service and Adjustments section.

2.

Replace. Order with correct part number 
from Parts List in this manual.

Belt shreds

1.

Belt guides or guards incorrectly adjusted

2.

Pulleys not  aligned

3.

Pulley rusted or in otherwise bad condition; 
frozen bearing

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.