ARMY TM 9-6115-464-34
AIR FORCE 35C2-3-445-2
NAVY NAVFAC P-8-624-34
(13) Install screw & captive washer assembly (10), and nut (9).
(14) Install potentiometer (8), tooth Iockwasher (7), nut (6) and locking nut (5).
(15) Position chassis (46) to install cover (4), and screw & captive washer assembly (3)
e. Installation.
(1) Position special relay assembly to install Iockwashers (2, figure 3-119) and screws (l).
(2) Connect electrical connectors to special relay assembly.
3-91. PRECISE RELAY ASSEMBLY.
WARNING
Do not attempt to perform maintenance on the precise relay assembly while the
generator is operating. Severe electrical shock may result from failure to observe this
warning.
a. Removal.
(1) Disconnect electrical connectors to precise relay assembly.
(2) Remove screws (1, figure 3-123) and Iockwashers (2) to remove precise relay assembly from
generator set.
NOTE
Disassemble only as required to clean, inspect, test, or replace parts.
b. Disassembly.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
Remove screw & captive washer assembly (3, figure 3–1 23) and cover (4).
Remove locknuts (5), nut (6), tooth lockwasher (7) and rheostat (8).
Remove nut (9), tooth Iockwasher (10), positioning washer (11), and switch (12).
Remove nut & captive washer assembly (13), flat washer (14), nut & captive washer assembly (15),
and screw (16).
Remove nut (17), screw & captive washer assembly (18) and wiring harness (19).
Remove screw and captive washer assembly (20) and under voltage relay (21).
Remove nut (22), screw & captive washer assembly (23) and electronic components assembly (24).
Remove nut & captive washer assembly (25), screw (26), terminal board assembly (27) and terminal
jumper (28).
Remove screw & captive washer assembly (29) and under frequency relay (30).
Remove screw & captive washer assembly (31), permissive paralleling relay (32) and chassis (33).
NOTE
Switch and attaching hardware (items 21 through 24) are found only on the 50/60 Hz
precise relay assembly.
3-252
