Maintenance Procedures
Poly V-belt and Fan Drive
Removal
1. Disconnect the electrical ground
wire from the battery.
2. Reach between
the fan blades and
remove the fan blade mounting
bolts using a 9/16” socket to
remove the mounting nuts.
3. Place a
ex-bar with a 15-mm
socket on the automatic belt
tensioner roller fastener as shown.
Rotate the
ex-bar as shown in
the diagram to relieve belt tension.
NOTE
When installing
the belts do not wrap
4. With the
belt tensioner pressure
belt around
the tensioner until after
relieved, remove
the poly V-belt
the belt
has been wrapped around
from the
pulleys.
all other pulleys and idlers.
° The tensioner can be
temporarily blocked with
2. After installing the belt, carefully
a 0.16-0.2 inch (4-5 mm) thick
allow the belt tensioner to spring
pin (bore). This facilitates
back to its normal position. If the
removal and installation of the
tensioner had been temporarily
poly V-belt.
blocked, relieve tensioner
pressure enough to remove
5. After removing
the belt, carefully
the locking
pin, then allow the
allow the
belt tensioner to spring
tensioner to
spring back to its
back to
the stop (if it had not been
normal position.
temporarily blocked).
NOTE
rust, and grease deposits. Clean
6. Inspect the
pulleys for damage,
Do not
reuse nylon patch lock nuts.
or replace as necessary.
Replace with
new lock nuts when
reinstalling parts.
Installation
1. Place the
new poly V-belt over the
3. Reinstall fan blade using fan blade
pulleys, making certain the belt
bolts and new 9/16" nylon patch
falls into all the belt pulley grooves.
lock nuts.
5-37
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