TM 9-4940-421-14
Table 4-1. Organizational Preventive Maintenance Checks and Services (cont)
LOCATION
ITEM TO
NOT FULLY MISSION
PROCEDURE
INTERVAL
CHECK/SERVICE
CAPABLE III.
Remove and inspect generator
Electrical Brushes
Brushes and damaged or
Annually
welder brushes (15) (p. 4-20) and
worn beyond limits
auxiliary generator brushes (16)
(p. 4-22) for wear and damage. If
they are damaged or are worn un-
evenly, or if generator-welder
brushes are shorter than 7/8 in. (2.22
cm), or if auxiliary generator brushes
are shorter than 7/16 in. (1.11 cm),
they should be repaired or replaced as
required (pp. 4-20 and 4-22).
Interior Compo-
Remove end cover housing (p. 4-21)
Annually
Mountings are loose or
nents and End
and inspect for internal accumulation
end bearing is worn.
Bearing
of moisture in generator housing (17).
Blow out generator windings with not
over 125 psi (172.38 kPa) of dry
compressed air. Inspect generator
housing for worn end bearing (18)
and loose mountings (p. 4-21). Tight-
en any loose mountings and notify di-
rect support maintenance to repair as
required.
CONTROL PANEL ASSEMBLY
Semiannual-
Gages
Check that all gages (p. 4-12) are se-
Gages are loose or
ly
curely mounted. Tighten any loose
mounting hardware is
mounting hardware and replace any
missing, or if connec-
missing mounting hardware. Check
tions are loose or cor-
for loose or corroded connections.
roded.
Clean any corroded connections with
extra-free sandpaper and tighten any
loose connections.
AIR COMPRESSOR ASSEMBLY
Change 1
4-2.5
