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TM 10-4930-246-13&P
b. Inspection.
NOTE
Inspect all metal parts for dings, gouges and abrasions. Complete the following steps
as they apply.
(1)
Use 320 grit paper to smooth and remove sharp edges.
(2)
Replace any part with damage that cannot be smoothed with grit paper.
(3)
Check both ends of housing (6) hall races for excessive wear or burrs. Remove any burrs or sharp edges.
(4)
The ball races are dry film lubricated.
If a ball race is shiny the housing should be replaced or a dry film
lubricant
applied.
(5)
Inspect outer diameters of inner piston (4) and outer piston (1) for scratches. If scratched, replace during
assembly.
c. Assembly.
NOTE
O-rings and seals may be lightly lubricated with petrolatum for ease of installation.
(1)
Install O-rings (17) in sea] spacers (15). Install seal spacer (15) in housing (6).
(2)
Install seal (16), then second seal spacer (15).
(3)
Install O-ring (23) and clip (24) in housing (6).
(4)
If removed, install breather assembly (22) in housing (6).
(5)
Install O-ring (21) in outside groove of teflon seal (20) and install teflon seal (20) in housing (6).
(6)
If removed, install teflon seal (19) and 0-ring (18) in housing (6).
(7)
Install
quad ring (14) in housing (6).
NOTE
To install spring (11), ball (12) and O-ring (13) recommend applying petrolatum to
one end of spring and drop spring in housing (6). Balance the ball on top of the
spring. Apply petrolatum to the matching hole on the seal retainer (10) and position
the O-ring over the matchingg hole. The petrolatum will hold the O-ring in position on
the seal retainer.
Carefully
lower the seal retainer in place. This recommended
procedure may have to be tried multiple
times.
(8)
Install spring (11), ball (12) and O-ring (13).
(9)
Install seal retainer (10) using screws (8) and washers (9). Hand tighten screws (8) securely.
(10)
Attach inner piston (4) to outer piston (1) with screw (2) and Stat-O-Seal (3) . Torque screw (2) to between
18 to 20 in. lbs. (2.03 to 2.26 Nm).
Change 1
5-13
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