PAGE 17
SERVICE INSTRUCTIONS
CONTINUED
172 REV.030429
2)
After draining all lubricating oil from the final drive housing item 100, remove internal retaining ring item 124.
The freespool assembly, along with the final sungear, can now be pulled out of the final drive housing and put
aside. If a problem exists in the freespool assembly, skip ahead to the section titled DISASSEMBLY OF
FREESPOOL ASSEMBLY.
3)
Remove final planet hub assembly from final housing item 100.
4)
Inspect three final planet gears item 320, for damage or wear. If it is necessary to remove planet gears, remove
circlip item 311, and press planet pin item 310, out of the final planet hub item 300. Inspect needle bearing item
323, and two thrust washers item 321, and replace if damaged.
All parts have now been removed from the final drive assembly. If further disassembly is required,
proceed as follows:
DISASSEMBLY OF CABLE DRUM ASSEMBLY:
To separate brake housing item 700, and final housing item 100, from cable drum item 500, proceed as follows:
1)
Remove 16 capscrews item 971, and lockwashers item 973. Remove two tie bars item 970. Stand the winch
upright on its end housing.
2)
Insert two heel bars between the flange of the cable drum item 500, and the brake housing item 700, and gently
pry the brake housing out of spherical roller bearing item 507.
3)
Remove freespool coupling item 260, from brake housing. Remove O-ring item 293, from freespool coupling
and discard.
4)
Inspect journal bearing item 286, for excessive wear and replace if necessary.
5)
Remove and discard oil seal item 515.
6)
Inspect spherical roller bearing item 507, and replace if damaged.
7)
Turn winch over to stand upright on the drum flange. Remove circlip item 513, from splined hub of cable drum
item 500.
8)
Insert two heel bars between the drum flange and the final housing and carefully pry the cable drum out of ball
bearing item 103.
9)
Remove and discard oil seal item 105. If removal of ball bearing item 103, is necessary, first remove circlip
item 109.
DISASSEMBLY OF FREESPOOL ASSEMBLY:
If a problem in the freespool assembly is analysed, follow instructions 1) and 2) from the section
titled DISASSEMBLY OF FINAL DRIVE ASSEMBLY, then proceed to the appropriate sub heading
of HYDRAULIC or MANUAL FREESPOOL:
HYDRAULIC FREESPOOL (R5-X-70-1F):
1)
Remove four hex capscrews item 253, and lockwashers item 255, from the end of the freespool assembly.
Since the freespool spring item 280, applies pressure against the inside of the freespool cover, it is
recommended that the hex capscrews are unscrewed one turn at a time, evenly, until the spring pressure has
been released.
2)
Discard O-ring item 257, and remove freespool spring item 280.
3)
Remove the freespool piston item 264, along with the final sungear item 340, from the freespool cover and
discard O-rings item 265 and item 277. Inspect the outside diameter of the piston and the internal diameter of
the housing for any scoring caused by hydraulic fluid contamination. Minor surface damage may be repaired
by polishing with a fine emery cloth.
