TM 55-2840-254-23
6-4.1
REPAIR FUEL CONTROL (Continued)
6-4.1
NOTE
The repair procedures for both of the shafts is
the same.
Repair leakage at shaft (1) or (2) as follows:
1.
WARNING
Use care when removing the retaining ring.
The seal retainer is spring loaded and exerts
approximately 4.5 pounds of force.
a.
Using retaining ring pliers remove retaining
ring (3) from housing (12).
b.
Remove shouldered shaft (1) or (2). If
spring (10) or (11) is removed with the
shaft, reinstall the spring in housing (12).
c.
Remove packing retainer (4), packing (5),
spring (6), key washer (7), seal ring
assembly (8), and packing (9) from the
shaft. Discard packings (5) and (9) and the
seal ring assembly (8).
Be careful when handling seal ring assembly.
Do not touch, scratch, or mar the contact
face of seal ring. Leaking and premature
failure may result.
d.
Install a new packing (5) in the groove of
the drive shaft bore of housing assembly
(12). Install new packing (9), new seal ring
assembly (8), key washer (7), spring (6),
and packing retainer (4) on shaft (1) or (2).
Make sure inner lugs of the key washers (7)
engage grooves in the seal ring (8), and
outer lugs engage grooves in the packing
retainer (4).
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6-18.2 Change 6