TM 5-4320-275-13 & P
Table 4-2. Organizational Preventive Maintenance Checks and Services - Continued
M - Monthly
Q - Quarterly
S - Semiannually
Item to be
Check that diaphragm is not torn. Replace a torn diaphragm in
Check that cap screws and nuts holding gear reducer to frame
screws. are tight.
Check that gear reducer runs quietly and without restriction.
if it is noisy or if shaft rotation is restricted.
Check that gear reducer oil has been changed at required