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28 Trouble Shooting
MAN0136 (9/28/01)
Trouble Shooting Cont’d.
* Check belt for damage by laying it flat on the floor. A belt that does not lay flat (has humps or twists, indicating
broken or stretched cords) it must be replaced.
TROUBLE SHOOTING
BELT CONDITIONS
Problems Possible Solutions
Belt slippage Mower overloading; material too tall
or heavy
Reduce tractor ground speed but
operate mid-PTO at 2000 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 foreign material. Clean
material from under mower.
Belt or pulleys worn out If belt rides in bottom of pulley
groove, either belt or pulley is worn
and must be replaced.
Frayed edges on belt cover Belt misaligned Re-align belt. Be sure belt does not
rub any other part while running.
Belt rollover Damaged belt Inspect all pulley grooves for rust,
paint, or weld spots and remove.
Foreign object in pulley grooves Replace pulley.
Damaged belt Rollover, high shock loads, or instal-
lation damage
Replace belt.*
Belt breakage High shock loads Avoid abusive mowing. Avoid hitting
the ground or obstructions.
Belt came off drive Check pulleys for foreign material in
grooves. Avoid hitting solid objects
or ground.