ARMY TM 9-6115-671-14
AIR FORCE TO 35C2-3-446-32
MARINE CORPS TM 09249A/09246A-14
4-191
(10) Remove locknuts (15), washers (16), and bus bar (17) from terminal studs (21 and 26).
(11) Remove locknut (18), lockwasher (19), ground strap (20), and terminal stud (21) from load output
terminal board (11).
(12) Remove locknut (22), washer (23), ground bus bar (24), EMI filter (25), and terminal stud (26) from
load output terminal board (11).
(13) Disconnect varistor leads (10) from varistors (29).
(14) Remove locknuts (27), bolts (28), varistors (29), EMI filters (30), and ground plane bar (31) from
load output terminal board (11).
(15) Remove locknuts (32), bolts (33), and terminal board supports (34 and 35) from generator set.
(16) Remove locknuts (36), bolts (37), cord (38), insulated wrench (39), and bracket (40) from terminal
board support (34).
b. Inspection.
(1)
Shut down generator set, paragraph 2.11.2.
(2)
Open load output terminal board access door (Figure 1-2).
(3)
Inspect load output terminal board (11, Figure 4-29) for cracks, corrosion, and obvious damage.
(4)
Inspect load terminals (14) for stripped threads or other obvious damage.
(5)
Inspect varistor leads (10) for damaged insulation and loose terminals.
(6)
Inspect and test varistors (29) as follows:
(a)
Inspect varistors (29) for obvious external damage.
(b)
Remove varistors, refer to paragraph 4.12.8.a.
(c)
Set multimeter for ohms, and test each varistor by connecting multimeter to varistor terminals
1 and 2. Note multimeter indication.
(d)
Reverse multimeter leads, and note multimeter indication.
(e)
Multimeter indications should be infinite in both directions.
(f)
If indications are other than above, varistors (29) are defective and must be replaced.
(g)
Install varistors, refer to 4.12.8.d.
