Bush Hog HDTH5 Operator's Manual page 132

TROUBLE SHOOTING GUIDE
Problem
FRAYED EDGES ON COVER
BELT ROLLOVER
DAMAGED BELT
BELT BREAKAGE
* Check broken belt for damage by laying it flat on floor. If belt does not lie flat (has humps or twists), which
indicated broken or stretched cords, it must be replaced.
HDTH 5 & 6 Finish Mower 08/21
© 2021 Alamo Group Inc.
OPERATION
Possible Cause
Belt misaligned or belt rubbing
guide.
Pulley misalignment.
Pulley misalignment.
Damaged belt.
Carrier RPM too low.
Worn pulley groove.
Rollover, high shock loads or
installation damage.
High shock loads.
Belt came off drive.
Operation Section 4-28
Remedy
Re-align belt or guide. Be sure belt
doesn't rub any other part while running.
inspect to ensure belt is running in
center of backside idler. Shim idler as
necessary to align.
Re-align.
Replace belt.*
Inspect all pulley grooves for rust,
paint or weld spots and remove.
Replace pulley.
Replace belt.*
Avoid abusive mowing. Avoid hitting
the ground or large obstructions.
Check drive alignment for foreign
material in grooves. Ensure proper
tension. Avoid hitting solid objects or
ground.