Case 580SR Service Manual page 329

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Replacement and adjustment of parking brake
Z Loosen two adjustment locking nuts (4 and 5) enough to slide each torque plate (16 and 18) away from disc
far enough to provide clearance to remove old pads assembly and install new ones. (It may be necessary to
remove one or both nuts).
Z Collapse pad retraction spring (21) and remove from brake head assembly.
Z Slide torque plates (16 and 18) away from disc, move pads assembly (17) out of pockets, and remove from
the brake head assembly from the side.
Z Install new pads assembly (17) in each torque plate (16 and 18).
Z Install pad retention spring (21) into brake head assembly. Be sure spring's "feet" are positioned properly in
holes in both pads assembly (17).
Z Tighten inner adjusting nut (5) until firm contact is made with the disc by the pads. Torque to 11 Nm make
certain lever is in proper operating position for application.
Z Back off inner adjusting nut (5) and check that disc is free to move (total clearance 0.8 - 1.1 mm).
Z Tighten outer locking nut (4) against inner adjusting nut to lock adjustment bolt in place. Torque to 61 - 75 Nm.
SECTION 21 - TRANSMISSION
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