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4) Reassemble primary planet hub assembly. Press sungear stopper item 444, into primary planet hub item 400.
Press needle bearing item 423, into primary planet gear item 420. Position thrust washers item 421, on either
side of planet gear and press planet pin item 410, into primary planet hub item 400. Retain with circlip item 411.
5) Install primary planet hub onto end of final sungear item 340, inside of cable drum item 500.
6) Install internal gear item 430, over top of three primary planet gears item 420. Ensure gear teeth are fully
engaged by rotating cable drum.
7) Press ball bearings item 103 and item 509, into cable drum.
8) Press new, well-greased oil seal item 515, into cable drum.
9) Install primary sungear item 440, into center of three primary planet gears item 420. Ensure gear teeth are
fully engaged by rotating cable drum.
REASSEMBLY OF BRAKE HOUSING ASSEMBLY:
Reassemble brake housing assembly by reversing the disassembly procedure:
1) If needle bearing item 603, was removed from center of connecting shaft item 600, press back into place.
2) Press new, well-greased oil seal item 607, into connecting shaft item 600. If back-up washer is included in
your seal kit, it should be installed together with and behind the oil seal.
3) Install new, well-greased O-ring item 601, onto connecting shaft.
4) Insert connecting shaft into brake housing item 700. Slightly rotate drum to allow spline of connecting shaft
to fully engage with internal gear item 430.
5) Install two sprag clutches item 723, into bore of brake hub item 720. Position sprag clutch aligners, item 722
and item 724, and support washers item 717, on either side of brake hub. Carefully slide motor drive shaft
item 730, into brake hub assembly and secure with circlip item 727. Verify that circlips item 719 and item 731,
are installed on motor drive shaft.
IMPORTANT:
For proper brake function, verify that sprag clutch is installed correctly. When viewed from
motor end, motor drive shaft of a clockwise hoisting winch must turn freely clockwise and lock
in counterclockwise direction.
6) Install thrust bearing item 617, sandwiched between two thrust washers item 615, into brake housing item
700, and centered upon connecting shaft item 600.
7) Install motor drive shaft assembly through thrust washer item 615, and carefully twist shoulder of shaft
through oil seal item 607. Twist slightly more to engage spline with primary sungear item 440.
INCORRECT ASSEMBLY OF THE FRICTION PLATE AND DIVIDER PLATE
STACK WILL REDUCE BRAKING CAPACITY AND ALLOW THE LOAD
TO DROP, CAUSING PROPERTY DAMAGE, SEVERE INJURY OR
DEATH. REASSEMBLE PER INSTRUCTIONS.
8) Install brake spacer item 712, into brake housing item 700. Starting and finishing with divider plate, alternately
install seven divider plates item 714, and six friction plates item 715.
9) Install new, well-greased O-rings item 751 and item 753, into glands of piston item 750. Carefully install brake
piston in brake housing.
10) Install 16 brake springs item 752, into brake piston item 750. The brake piston has 18 holes and the two empty
holes should be opposite each other.
11) Use grease to temporarily hold new O-ring item 801, into recess on flange of motor adaptor item 800.
SERVICE INSTRUCTIONS
CONTINUED
256 REV.030718
DANGER
