C10, TM 9-2350-230-12
TABLE 8-17. PREVENTIVE-MAINTENANCE CHECKS AND SERVICES - CONTINUED
Sequence
Item to be inspected
No.
Procedure
Reference
SIGHTING AND FIRE CONTROL - Continued
59
XM44E Series Peris-
b. Check for excessive backlash in the
cope - Continued
periscope and 152MM gun elevation system.
c. Inspect wiper blades; replace if neces-
Fig. 11-42
sary. Inspect general condition and complete-
ness. Check operation of knobs and levers.
Inspect lens and windows for dirt, cracks,
and chips. Check electrical connections. Re-
place lamps if defective. Check periscope
washer fluid reservoir and refill.
59.1
M119 Telescope
Check reticle ground strap connections at
conventional reticle elevation knob mounting
flange and reticle light holder. Connections
must be tight.
60
M47 and M48
a. Check that all components of the wiper
Periscopes
assembly are functioning properly.
b. Inspect wiper blades; replace if nec-
essary. Check pump to see that pressure
forces fluid from reservoir. Inspect tubing
for leaks.
c. Check periscope washer fluid reservoir
and refill.
MISSILE SUBSYSTEM UNITS
61
Cable Assemblies
Check condition and tightness of all
connectors. If replacement of cables is
required, notify direct support personnel.
62
Optical Tracker,
a. Inspect mounting screws and electrical
Power Supply
connections. Tighten if necessary.
Modulator, Rate
b. Perform transmitter alignment check
Sensor, Signal
Fig. 10-20
Data Converter,
quarterly or whenever transmitter alignment
and Optical
becomes questionable for any reason.
Transmitter
c. Notify support maintenance to perform
beam pattern check semiannually.
ROAD TEST
NOTE. Road test vehicle approximately
3 to 5 miles. When tactical situation does
not permit a complete road test, perform
the following tests:
63
Engine Governed
Start engine and warm up. With shift
Speed, Performance
lever in N (neutral) position, fully accelerate
and No-Load Test
engine. Engine should develop 2940 to 2990
rpm. Idle speed should indicate 650-700rpm.
Test engine for normal acceleration and
power in each transmission range.
8-82
