Fan Drive Components Troubleshooting
Refer to the following table to identify basic problems, causes and cures associated with V-Belt drive systems.
PROBLEM
Belt Slips
Belt Breaks
Belt Jumps Pulley
Grooves
Belt Cracking
Belt Wearing Rapidly
Premier Ductable Heaters
CAUSE
Pulleys worn (Belts bottoming out in grooves)
Oil or grease on belt
Improper belt installation
Drive misaligned
Dirt entering pulley
Belt hitting belt guard
Dirt or grease on belt or aged belt
Belt hitting belt guard
Worn pulleys
Dirt in pulleys
Owner's Manual • Premier 350
CURE
Replace pulleys
Clean pulleys or belt.
Belt pried over pulleys
using sharp or pointed
tools. Install new belt
properly.
Check and realign
Remove belt, clean the
pulleys
Realign guard (check
for loose or missing
guard screws)
Remove dirt or
replace belt.
Realign guard (check
for loose or missing
guard screws)
Replace pulley
Remove dirt
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