TM 5-3810-289-34
1
Body, camper
6
O-ring, body to
2
Capscrew, body
plate
to plate (2)
7
Plate, damper
3
Diaphragm,
8
Ring, sealing
damper
9
Washer, plain,
4
Lockwasher, body
to plate (2)
Figure 3-40. Drive shaft bushing reaming.
to plate (2)
10 Washer, nylon
5
O-ring, body to
body to plate
Figure 3-41. Pulsation damper, exploded view.
3-5. Pulsation Damper
pulsation damper.
(1)
Remove mounting capscrews (2),
body (1) from plate (7).
(2) Remove the spring steel diaphragm (3),
nylon washer (10) and O-rings (5and 6); discard O-rings
and nylon washer.
c. Cleaning and inspection.
(1) Clean the body, plate and diaphragm in
solvent which is not harmful to aluminum.
(2) Check for corrosion, excessive wear, or
cracked plate or diaphragm.
Reassembly.
Figure 3-42. Drive cover assembly pressed from front
(1) Install new O-rings in grooves and new
cover.
nylon washer.
(2)
Coat the diaphragm with OE10
(a) excessive wear can be felt by moving
lubricating oil and lay in cover plate.
shaft from side to side in the bushing.
(3) Assembly cover plate (7) to body (1);
(b) Observe excessive lash between weight
shaft gear and drive gear.
screws (2).
Note.
Remove weight assist plunger if not
previously removed.
damper.
(2) To remove governor weight carrier
3-6. Drive Cover Assembly
assembly from drive cover, heat housing in hot water
and use ST-709 Puller to pull weight shaft assembly and
42 and remove drive cover assembly.
bushing from front cover (fig. 343). The bushing is
b. Disassembly and inspection.
locked on shaft with a snap ring (fig. 344) and will
(1) Check governor weight carrier shaft in
usually(2) To remove of cover with weight shaft
its bushing before removal.
assembly; however, if snap ring pulls off shaft leaving
bushing in front cover, use an internal engaging puller of
ST-709 to pullbushing.
(3)
Remove fuel pump drive coupling
washer (24).
3-16