Section 4
4 - 29
NOTE: Lubricate all rubber components with clean
hydraulic fluid before reassembly.
1.
Clean all parts thoroughly before assembling.
2.
Press oil seal (item 4) into cover plate (item 5) until
flush with bearing shoulder.
NOTE: Oil seal must
be installed with open side facing pilot end of
cover.
3.
Press bearing (item 3) into position until it bottoms
out on oil seal borestep.
4.
Install retaining ring (item 2) into cover plate.
5. Press spline shaft assembly (item 6) into bearing
(item 3) until shaft bottoms on shaft shoulder. Bearing
inner race must be supported during this operation.
6.
Install retaining ring (item 1) on spline shaft assembly
(item 6).
7.
Install back-up rings (items 17 & 19) on piston (item
16) toward spring pockets.
8.
Install O-rings (items 18 & 20) on piston (item 16). Be
sure O-rings are flat and all twists removed.
NOTE:
Be careful not to mar or scratch piston.
9.
Lubricate piston (item 16) with clean hydraulic fluid.
Carefully press piston into pressure plate (item 22).
Be sure piston is positioned so threaded holes in
piston are in alignment with through-holes in spring
plate (item 14) when installed.
10. Install springs (item 15) according to pattern and
color recorded during disassembly.
11. Affix case gaskets (item 11) to pressure plate (item
22) and spring plate (item 14).
12. Place unit on a press. Using a fixture, depress
and install four socket head assembly bolts (item
12).
NOTE: Apply two drops of Loctite #242 to
threads.
13. Install stator discs (item 10) and rotor discs (item
9). Begin with a rotor disc and alternate with stator
discs.
NOTE: The minimum stack height of discs
item 9 and item 10 is 1.173”.
14. Install primary disc (item 8). Align tabs on primary
disc with through-holes in spring plate (item 14) and
partially screw in four socket head shoulder bolts
(item 7).
NOTE: Apply two drops of Loctite #242
to threads.
Inspect for free movement of stack.
Pressurize brake release port to approximately 400
psi to release discs. Torque shoulder bolts 15-18 lb.
ft. (20.3-24.4 Nm) and release pressure. A suitable
holding fixture is useful to hold brake in position.
15. Install cover plate (item 5) using four socket head
assembly bolts (item 23).
NOTE: Apply two drops
of Loctite #242 to threads.
Torque capscrews 55-60
lb. ft. (74.6-81.4 Nm).
Содержание H6H
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