TM 9-2520-272-34&P
4-30. ASSEMBLE CENTER HOUSING
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(SHEET 21 OF 21)
Turn support (27) over and place on wooden blocks.
Install eight balls (42) into lowest areas Of ramps on
stationary cam (28).
Apply petrolatum to balls (42) and in ramps around
balls.
Using hand, hold brake cam (20) in position shown in
illustration.
Install end of inner link (25) in pocket of cam shaft
(36). Holding brake cam (20), turn and twist cam (20)
so that end of link (25) is fully seated in pocket of cam
shaft (36).
After link (25) is seated in pocket of cam shaft (36),
place brake cam (20) onto stationary cam (28). Arm
on brake cam (20) must be about two inches
counterclockwise from cam shaft (36).
Using screwdriver, turn slotted end of link (26)
counterclockwise until tension is felt on screwdriver.
Then, continue to turn 1/2 to 3/4 of a turn, but not to
the extent that cam (20) starts to lift.
Install support (27) into center housing (43), aligning
cam shaft (36) with bearing (44) in center housing.
Use plastic faced hammer to seat support (27).
Using 5/8 inch socket, install fifteen washers (45) and
bolts (46) that retain support (27).
Using handle and socket wrench socket 8355955, turn
cam shaft (36) slightly so that shaft (36) will seat in
bearing (44).
Using torque wrench, tighten fifteen bolts (46) to
54-65 lb-ft (74-88 Nm).
End of Task 7
4-242
Para. 4-30, Task 7
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