SUBSECTION 7B
DRUMSHAFTS
6. Remove clutch assembly (07) and place in a clean area.
1. Pack bearings (12 and 13) and drum (10) cavity with 472
grease.
7. Remove spacer (08) with O-ring (09).
2. Install seal (14), then bearing (13) on drumshaft.
8. Support the drum assembly with a hoist and slide drum
(10) off of shaft.
3. Using a hoist, install drum (10) on drumshaft and over
bearing (13).
9. Remove seal (11) and bearing (12) from the drum.
4. Keep drum (10) supported and install bearing (12).
10. Remove bearing (13) and oil seal (14) from the drum-
Remove hoist.
shaft.
5. Install seal (11) in drum (10).
INSPECTION AND REPAIR. Prior to assembly, all drumshaft
6. Install spacer (08) and O-ring (09).
parts should be inspected as follows:
7. Install clutch assembly (07).
1. Replace all oil seals and O-rings. Any bearing which
8. Install bearing retainer, bearing support (16), bearing
shows signs of wear or damage should be replaced.
(05) and sleeve (06). Tighten bearing retainer using cap-
2. Inspect the clutch and brake linings at this time. Replace
screws (17), lockwashers (18) and nuts (19).
the linings, if necessary, before reinstalling them on the
9. Install spacer (04), lockwasher (03) and nut (02). Tighten
drumshaft.
nut (02) until drum (10) does not rotate by hand. Loosen up
3. Repair or replace any damaged or broken parts. Be sure
on nut (02) until drum (10) just rotates freely by hand. Stake
all threaded items are clean and that threads are not dam-
nut (02) with lockwasher (03).
aged. Studs must be tight before installing perts that are
10. Install swivel (01). Remove the caps and plugs from all
mounted to them.
hydraulic lines.
4. Clean out all lube lines and grease passages to insure
11. Install and adjust the third drum brake (15) (see Sub-
free flow of lubricant.
section 7C).
5. Inspect the drum cooling fins for cracks or broken fins.
12. Install all hydraulic lines. Adjust the third drum clutch.
Repair or replace if necessary.
See Subsection 7D.
6. Inspect the brake and clutch rims forcracks, scratches or
13. Install or connect any other items removed during
discoloration. Repair or replace if necessary.
removal.
INSTALLATION. To install the third drum, proceed as fol-
14. Bleed the hydraulic lines to remove any air trapped in
lows (see Figure 78-2):
the hydraulic lines (see Subsection 5A).
7B-5
