LL250 Compressor Installation
20
332230P
7. Locate belt shroud. Loosen screw (A) and lift belt
shroud (B).
8. Using a 1/4 in. Allen wrench, remove shoulder bolts
and serrated nuts securing existing coupler plate.
NOTE:
Do
not
use ball end Allen wrenches, as they
may break and become stuck in the set screws.
9. Loosen set screws on pulley. Lift engine to provide
slack for the belt and remove old pulley (X).
10. File any rough spots on the pump shaft key.
11. Slide new pulley on to the pump shaft. Pump shaft
must
extend 0.125-0.225 in. (3.175-5.73 mm)
beyond the face of the pulley. The pump shaft is the
pilot for the coupler adapter.
12. Torque pulley set screws to 58-62 in-lb (6.6-7 N•m).
13. Install belt on pulley. Refer to
Ground Drive Belt
Replacement
in your striper repair manual for
additional instructions and belt tension
recommendations.
NOTE:
Prior to step 14, secure nuts to back of pulley
with piece of duct tape will assist with installation.
14. Put belt shroud down, install shaft coupler (5) onto
pulley with two shoulder screws (18) and serrated
nuts (19). Position slot on back of pulley up and
move serrated nut with finger to accept shoulder
bolt threads. Tighten using shoulder bolt by hand
until the teeth on the serrated nut catch the
aluminum on the fan. Using a 1/4 in. Allen wrench,
torque to 16-18 ft-lb (21-24 N•m).
