ARMY TM 9-6115-642-24
AIR FORCE TO 35C2-3-455-12
MARINE CORPS TM 09247A/09248A-24/2
SECTION XVI. MAINTENANCE OF ENGINE ACCESSORIES
2-89.1
a.
b.
c.
d.
e.
f.
2-89.2
a.
b.
c.
2-89.3
a.
b.
c.
d.
e.
f.
Removal.
Shut down generator set.
Open left side engine access door and disconnect negative battery cable.
Remove bolts (2, FIGURE 2-20), washers (3), and left fan guard (4).
Spread keeper (1, FIGURE 2-24) and remove control cable wedge (2) at governor speed lever (3).
Open load terminal board access door and loosen nut (4). Slide nut (4) and washer (5) off cable assembly (6).
Remove frequency adjust control cable assembly (6) from rear of generator set.
Shut down generator set.
Inspect frequency adjust control cable assembly for broken or frayed cable, stripped threads, corrosion, and
damaged knobs.
Replace damaged parts or cable assembly, as necessary.
Insert frequency adjust control cable assembly (6, FIGURE 2-24) at rear of generator set.
Install washer (5) and nut (4), and close load terminal board access door.
Install control cable wedge (2) at governor speed lever (3).
Install frequency control cable (6) in keeper (1). Close keeper (1).
Connect negative battery cable.
Start generator set. Using frequency adjust control, ensure the following adjustment range:
MEP-803A = 58-65 Hz.
MEP-813A = 388-420 Hz.
If frequency adjustment range is not correct, adjust frequency, paragraph 2-89.4.
g.
If adjustment is correct, shut down generator set.
h. Install left fan guard (4, FIGURE 2-20) with bolts (2) and washers (3).
i.
Shut left side engine access door.
FIGURE 2-24. Frequency Adjust Control Cable Assembly
2-118
2-89 FREQUENCY ADJUST CONTROL CABLE ASSEMBLY
Inspection.
Installation.
