47. Monthly Preventive Maintenance Checks and Services
Chart-(Continued)
Procedure
References
Item
Sequence
No.
bare metal to protect
it from further cor-
rosion.
See that all publications
Publications
3
are complete, serviceable,
and current. (DA Pam
310-4).
Check DA Pam 310-4 to
Modifications
4
determine whether new
MWO's have been pub-
lished. All URGENT
MWO's must be applied
immediately. All NOR-
MAL MWO's must be
scheduled.
Lubricate the equipment
Lubrication
5
(par. 47.1).
a. Check projection stage
a. Pars. 55b and
Reflector and
6
plate glass and Fres-
55.1b.
lenses.
nel condenser lens
for cracks.
b. Check reflector and
b. Pars. 55c and
condenser lens for
d and 55.1c
scratches and break-
and d.
age.
c. Check rear surface mir-
c. Pars. 55i and
ror for scratches and
55.1i.
cracks.
d. Check projection head
d. Pars. 56a, b,
assembly window,
and o and
front surface mirror,
56.1a, b, and
and projection lens
C.
(figs. 2, 2.1, and 2.2)
for scratches and
cracks.
Check lamp socket for cor-
Pars. 55e and
Lamp socket
7
rosion and damage.
55.1f.
Check mirror elevation knob
Pars. 55k, 56e,
Knobs
8
(fig. 2, 2.1, and 2.2) fo-
and 56.1e.
cusing knob, and support
post locking (clamping)
knob (fig. 7.1 and 27)
for looseness and cracks.
Appx III and
Check operator and organi-
Spare parts
9
TM 11-6730-
zational spare parts for
207-20P.
general condition and
method of storage. There
should be no overstock-
7
TAGO 5909B
