OPERATION

OPERATION

 

TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

REMEDY

BELT SLIPPAGE

Mower overloading, material too

Reduce tractor ground speed but

 

tall or heavy

maintain full PTO rpm. Cut material

 

 

twice, one high pass and then mow

 

 

at desired height. Cut a partial swath.

 

Oil on belt from over lubrication

Be careful not to over lubricate.

 

 

Clean lubricant from belt and pulleys

 

 

with clean rag. Replace oil soaked

 

 

belt.

 

Belt hung up or rubbing

Check belt for free travel in pulleys

 

 

and belt guides. Check under mower

 

 

and around blade spindle shafts for

 

 

wire, rags, or other foreign material.

 

 

Clean all material from under mower.

 

 

FRAYED EDGES ON COVER Belt misaligned or belt rubbing

Re-align belt or guide. Be sure belt

 

guide.

doesn't rub any other part while running.

 

Pulley misalignment

Inspect to ensure belt is running in

 

 

center of backside idler. Shim idler

 

 

as necessary to align.

 

 

 

BELT ROLLOVER

Pulley misalignment

Re-align

 

Damaged belt

Replace belt.*

 

Foreign object in pulley grooves

Inspect all pulley grooves for rust,

 

 

paint or weld spots and remove.

 

Worn pulley groove

Replace pulley

 

 

 

DAMAGED BELT

Rollover, high shock loads or

Replace belt.*

 

installation damage

 

 

 

 

BELT BREAKAGE

High shock loads

Avoid abusive mowing. Avoid hitting

 

 

the ground or large obstructions.

 

Belt came off drive

Check drive alignment for foreign

 

 

material in grooves. Ensure proper

tension. Avoid hitting solid objects or ground.

*Check belt for damage by laying it flat on floor. If belt does not lie flat (has humps or twists), which indicated broden or stretched cords, it must be replaced.

WHIRLWIND 08/01

Operation Section 4-8

© 2004 Alamo Group Inc.

 

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Whirlwind WW60-10001 manual Belt Slippage, Belt Rollover, Damaged Belt, Belt Breakage