TM 5-6675-331-14&P
2-3.
PMCS PROCEDURES. (Cont’d)
Table 2-1. OPERATOR’S PREVENTIVE MAINTENANCE CHECKS AND SERVICES
(Cont’d)
Preventive Maintenance Checks and Services for DDSS
LOCATION
NOT FULLY
ITEM
ITEM TO BE
MISSION CAPABLE
NO
INTERVAL
CHECK/SERVICE
PROCEDURES
IF:
8
c. Phase
Check that knob is in
Knob missing.
(Cont)
Switch
place and check that
Switch does not
switch functions
function
properly.
properly.
d. Voltmeter
Check for damage to
Broken glass
voltmeter. Check
cover. Voltmeter
voltmeter reading.
does not read 120
Observe voltage
for volts in all
phases 1, 2, and 3.
three phases.
Voltage should read 120v ± 5v.
2-14
