7. Inspect the pulleys for damage,
rust, and grease deposits. Clean or
replace as necessary.
Poly V-belt and Fan Drive Belt
Installation
Follow the steps below to install the poly V-
belt and fan drive belts:
1. Place the new poly V-belt over the
pulleys, making certain the belt
falls into all the belt pulley grooves.
NOTE
When installing the belts DO NOT
wrap belt around the tensioner until af-
ter the belt has been wrapped around
all other pulleys and idlers.
2. After installing the belt, carefully
allow the belt tensioner to spring
back to its normal position. If the
tensioner had been temporarily
blocked, relieve tensioner pressure
enough to remove the locking pin,
then allow the tensioner to spring
back to its normal position.
NOTE
DO NOT reuse nylon patch lock nuts.
Replace with new lock nuts when rein-
stalling parts.
3. Reinstall fan blade using fan blade
bolts and new 9/16 in. nylon patch
lock nuts.
4. Reconnect the electrical ground
wire to the battery.
Diesel Exhaust Fluid (DEF) Filter
Perform these maintenance procedures
according to the Preventative Maintenance
Schedule.
ENGINE MAINTENANCE - Maintenance Procedures
66 Y53-1183-1G1 (05/19)
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