TM 5-4310-371-14
Section III. MAINTENANCE PROCEDURES
3-4. V BELTS ADJUSTMENT.
WARNING
Release pressure from air receiver and compressor pump before inspection,
performing procedures, or disassembly of equipment to avoid personal injury.
a. Remove belt guard front by turning belt guard fasteners one quarter turn (figure 3-3).
b. Loosen motor mounting nuts and pull motor back until V belts become taut, as shown in figure 3-3. Proper V belt
tension is when V belts can be deflected 3/8" to 1/2" midway between pulleys.
c. With one hand holding motor in position, tighten motor mounting nuts, shown in figure 3-3.
d. Replace belt guard front and tighten belt guard fasteners.
WARNING
Do not start or operate compressor unit with belt guard off, to avoid personal
injury.
TM 5-4310-371-14/3-3
FIGURE 3-3. V BELT ADJUSTMENT
3-8
