17
12. Remove (2) retaining rings #66. Remove motor coupling #39 from end bearing #3. Remove roll
pin #56 from motor coupling #39. Remove brake piston #10 and backup brake piston #11.
Remove o-ring #47, o-ring #46, backup ring #49, and backup ring #51from brake piston #10.
Remove o-ring #48 and backup ring #50 from backup brake piston #11. Remove (7) stators #8
and (6) brake discs #9 from end bearing #3.
To re-install brake
, set gear housing end down on work surface.
Install well-oiled o-rings and backup rings into grooves on outside of brake piston and backup
brake piston as shown in cross-section A-A below.
Piston, backup piston, brake discs and stators must be clean and well lubed with 80W-140 oil.
Insert (7) stators #8 and (6) brake discs #9 into gear end alternating, with stators first and last.
Insert backup brake piston #11 on to brake piston #10. Insert brake piston assembly into motor
end bearing #3. Apply even pressure on piston when installing.
Insert roll pin #56 into motor coupling #39 below bottom of spline teeth. Insert motor coupling
#39 into end bearing #3.
Install (2) retaining rings #66 into grooves in motor end housing.
11
10
MOTOR SIDE
DRUM SIDE
SECTION A-A
A
A
9
10
11
8
3
41
47
49
39
66
56
50
48
51
46
51
46
50
48
47
49
Summary of Contents for Powermaster 15,000
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