PAGE 17
340 REV.030926
SERVICE INSTRUCTIONS
CONTINUED
REASSEMBLY
Thoroughly clean all parts. Use only new, well-greased O-rings and oil seals. Unless otherwise specified, torque
fasteners per BOLT TORQUE CHART.
REASSEMBLY OF FINAL DRIVE AND OUTPUT SHAFT ASSEMBLY:
Reassemble final drive and output shaft assembly by reversing disassembly procedure.
1) Press sungear stopper item 160, into end of output shaft item 150, and press output shaft into tapered roller
bearings items 151 and 103.
2) Slide keyed washer item 149, and lockwasher item 161, onto output shaft against tapered roller bearing item
151. Screw locknut item 159, onto output shaft against lockwasher. Tighten locknut to a point where 10 to
15 pounds of pull is required to rotate output shaft item 150, freely. Bend tabs of lockwasher into openings
on locknut to lock output shaft into position.
3) Press new, well-greased oil seal item 157, into end cover item 156, and place new, well-greased O-ring item
167, onto flange.
4) Fasten end cover to final housing item 100, using six capscrews item 163, and lockwashers item 165.
5) Reassemble final planet hub assembly. Use grease to temporarily hold 24 loose rollers item 323, in bore of
planet gear item 320. Position thrust washers item 321, on either side of planet gear and press planet pin
item 310, into final planet hub item 300. Retain with circlip item 311.
6) Insert final planet hub assembly into final housing. Ensure that planet hub spline is fully engaged.
7) Install final sungear item 340. Verify circlip item 343, is installed on sungear.
REASSEMBLY OF PRIMARY DRIVE:
If primary planet hub assembly was disassembled, reassemble by reversing disassembly procedure.
1) Reassemble primary planet hub assembly. Use grease to temporarily hold 20 loose rollers item 423, in bore
of planet gear item 420. Verify placement of sungear stopper item 444. 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.
REASSEMBLY OF BRAKE HOUSING ASSEMBLY:
Refer to PARTS REFERENCE on page 24 and BRAKE GROUP drawing G1015 on page 25.
Reassemble brake housing assembly by reversing disassembly procedure.
1) Liberally grease O-ring item 751, and O-ring item 753, and install on brake piston item 750.
2) Slide brake piston into brake housing with holes for brake springs facing out of brake housing assembly.
3) Install 18 brake springs item 752, in brake piston. Piston has 20 holes and two holes which have no brake
springs installed should be located opposite to each other.
4) Verify thrust washer item 776, and bushing item 774, are in place on spring stopper item 770.
5) Install spring stopper item 770, onto brake housing item 700, and fasten with eight capscrews item 771, and
lockwashers item 773. Tighten capscrews, one turn at a time, to evenly compress brake springs item 752.
6) Install new, well-greased O-ring item 107, onto brake housing.
7) Install brake housing item 700, onto final housing item 100, and fasten with 16 capscrews item 111 and
lockwashers item 113.
8) Install primary planet hub assembly so that hub slides into bushing item 774.
