Terex TS14G, Maintenance Manual

Page: 130 / 376

Brake Parts - Brake Parts - Scraper
2
Section 165-0031
SM 1777 3-99
REMOVAL AND DISASSEMBLY
Numbers in parentheses refer to Figure 1.
WARNINGS
When servicing wheel brake parts do not
create dust by grinding or sanding brake
linings or by cleaning wheel brake parts with a
dry brush or with compressed air. A water
dampened cloth should be used. Many wheel
brake parts contain asbestos fibres which can
become airborne if dust is created during
servicing. Breathing dust containing asbestos
fibres may cause serious bodily harm.
Use extreme caution to prevent personal
injury when removing wheels, The exact
procedure must be followed as described in
Section 160-0050, WHEEL, RIM AND TYRE.
To prevent personal injury and property
damage, be sure wheel blocks, blocking
materials and lifting equipment are properly
secured and of sufficient capacity to do the job
safely.
1. Position the vehicle in a level work area, apply the
parking brake and switch off the engine. Operate the
steering in both directions several times to relieve any
pressure in the steering system.
2. Place battery master switch in the 'Off' position and
block all road wheels, except the one to be raised.
3. Open air tank drain cocks and drain air tanks
completely.
4. Back off brake slack adjuster to remove all tension
on the brake chamber push rod. Refer to
Section 165-0060, SLACK ADJUSTER.
5. Drain differential and planetary gear lubricant and
remove planetary gear assembly from the wheel.
Refer to Section 160-0040, PLANETARY GEARING.
6. Remove wheel and brake drum as described in
Section 160-0050, WHEEL, RIM AND TYRE.
7. Lay wheel down with brake drum (15) up. Using
suitable lifting equipment attached to drum (15)
remove mounting hardware and lift drum from wheel.
SM - 2173
Fig. 2 - Brake Drum Wear Conditions
Note:
After removing the brake drum, visually check
the drum and lining for wear conditions shown in
Fig. 2.
8. Remove bolts (21), lockwashers (22), washer (23),
bar (24) and guards (25) from spindle.
9. Remove brake return springs (12) from brake shoes
(5 & 18).
10. Remove snap rings (14) and anchor pin link (13).
Pull off brake shoes (5 & 18).
11. Remove brake linings (16) by removing nuts,
lockwashers, screws and plugs (17).
12. Crack weld and remove pins (6) and rollers (11) if
rollers are worn. Rollers should be replaced in pairs to
make sure both shoes will be expanded an equal
amount.
13. To remove the slack adjuster, remove snap ring
(1) from camshaft (2). Disconnect slack adjuster from
brake chamber by removing cotter pin and clevis pin
(3) from brake chamber clevis. Pull the slack adjuster
off the camshaft.
11. Remove camshaft (2) from spindle by pulling the
camshaft from the outboard side.
12. To remove pins (20) from spindle, remove lube
fittings (7), nuts and lockwashers (8) from pins (20).
Drive pins (20) from spindle with a soft drift.
Courtesy of Machine.Market