TM 5-4310-375-14
3-7.
V-Belts and drive pulley.
a. Cleaning.
WARNING
Dry cleaning solvent, Fed Spec P-D-680, used to clean parts is
potentially dangerous to personnel and property. Avoid repeated and
prolonged skin contact. Do not use near open flame or excessive heat.
Flash point of solvent is 100F - 138F (38C - 59C).
(1) Use a cloth dampened in cleaning solvent, P-D-680, to wipe oil and dirt off V-belts (fig 3-3).
(2) Clean drive pulley with solvent, P-D-680, and dry thoroughly.
b. Inspection.
(1) Inspect V-belts for cuts, breaks, fraying, and for saturation with oil or grease that could cause slippage.
Notify Organizational Maintenance of any defects.
(2) Inspect drive pulley grooves for chipping and cracks. Inspect bore keyway for damage from motor shaft key,
indicating pulley was loose on shaft. Notify Organizational Maintenance of any damage.
Motor starter assembly.
3-8.
WARNING
Electricity is dangerous. Before performing any maintenance or adjustments,
be sure that electrical power is turned off. Never depend on the ON-OFF
switch. Turn power off at the source.
a. Inspection.
(1) Turn motor control box ON-OFF switch to OFF position. Also, turn main power OFF at source.
(2) Open motor control box cover and inspect wiring connections to motor starter assembly and to ON-OFF
switch for tightness and any evidence of shorts, grounds, or burned insulation. Check operation of ON-OFF switch and
reset button. Notify Organizational Maintenance if any defects are found.
b. Maintenance. No maintenance of motor starter assembly is authorized at operator/crew level. Close motor control
box cover and do not operate until Organizational Maintenance has performed repair and/or replacement.
Motor assembly.
3-9.
a. Cleaning.
WARNING
Dry cleaning solvent, Federal Specification P-D-680, used to clean parts is
potentially dangerous to personnel and property. Avoid repeated and pro-
longed skin contact. Do not use near open flame or excessive heat. Flash
point of solvent is 100F - 138F (38C - 59C).
3-8
