TM 10-4610-239-24
TM 08580B-24/3
INSPECTION.
a.
Inspect belts for cracks, dry rot, and excessive wear. Replace belts as a set if' required.
b.
Position straightedge (9) across front of pump assembly sheave (7) and electric motor sheave (8).
c.
Measure distance from straightedge to outer belt groove (10) of pump assembly sheave.
d.
Measure distance from straightedge to outer belt groove (11) of electric motor sheave. If distances measured in
steps c and d are not the same, align R.O. pump sheaves. Refer to paragraph 2-130.
INSTALLATION.
NOTE
If any belt is damaged, replace all five belts with new ones. Do not replace one belt or
use a mismatched set.
a.
Install five belts (6) on two sheaves (7) and (8).
b.
Turn adjusting bolt (5) clockwise until belt deflection is 0.5 inch (1.3cm) midway between two sheaves.
c.
Tighten locknut (4) on adjusting screw.
d.
Tighten four bolts (1) securing mounting plate (2) on stand (3).
e.
Install R.O. pump assembly belt guard and shroud. Refer to paragraph 2-120.
2-296
