Figure 2-2.
TM 5-3610-286-20
Table 2-1. Organizational Preventive Maintenance Checks and Services (PMCS) (cent).
M – Monthly
Q - Quarterly
S - Semiannually
A - Annually
Interval
Item
Item to be
No.
M
Q
S
A
inspected
Procedures
8
l
Main Motor
Remove motor covers and vacuum clean of dust
(refer to para. 2-79).
9
l
Main Motor Brushes
Check for wear, brush pressure, and movement of
commutator brushes in holder (refer to para. 2-
79). Check for firmness of contact between lead
and brush (on commutator side) and between
brush and brush holder (on slipring side). Re-
place commutator-carbon brushes when they are
worn to a length of 0.39 in. (10 mm). Replace
slipring brushes when running edge protrudes
0.79 to 1.18 in. (2 to 3 mm) over lower retaining
rim (refer to para. 2-79).
10
l
V-Belt
Check for loose or worn V-belt. Place a straight
edge against motor pulley and flywheel. Check for
approximately 1/4" (5 mm) deflection. If too loose
or too light, adjust V-belt (refer to para. 2-80).
2-7
