Lesson 4/Learning Event 2
Drive Belts. Organizational maintenance personnel are authorized to replace
the drive belts. Use the following methods for the removal and installation
of the drive belts.
Removal.
Removal of the drive belts can be done by using the following
steps.
Step 1.
Turn the turnlock fasteners one-quarter turn and lift the lower
right front and rear panels off the pump-unit assembly.
Step 2. Loosen the locknut that fastens the generator drive-belt adjusting
bolt against the frame assembly. Screw the bolt counterclockwise until the
drive belt on the generator pulley can be removed from the grooved pulley.
Remove the drive belt from the generator-driven pulley.
(Remove the four
pump drive belts (step 3 below) before removing the generator drive belt
from the engine-driven pulley.)
Step 3. Loosen the two lockscrews that fasten the gasoline engine to the
engine No. 1 mount (Engine No. 1 mount is next to the drive belt end of the
engine.)
Screw the adjusting bolt counterclockwise until the pump drive
belts on the engine-driven pulley can be removed from the grooved pulley.
Remove the set of four drive belts from the engine-driven pulley and the
pump-driven pulley. Remove the generator drive belt from the engine-driven
pulley.
NOTE
If one drive belt is defective, replace all drive belts with a
new set.
Installation.
Installation
of
the
drive
belts
can
be
done
using
the
following steps.
Step 1.
Loop the generator drive belt in the groove of the drive pulley
that is next to the driver-pulley adapter.
Step 2.
Loop the drive belt around the generator-driven pulley.
Step 3.
Loop the set of four drive belts in the grooves of the pump-driven
pulley.
Step 4.
Adjust the pump drive belt tension.
Step 5.
Adjust the generator drive belt tension.
Step 6. Position the lower right rear panel and the lower right front panel
on the pump-unit frame and fasten by turning the turnlock fasteners one-
quarter turn.
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