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Page Title:
HYDRAULIC MASTER CYLINDER MAINTENANCE - continued |
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 TM 9-2320-361-24-1
0170 00
HYDRAULIC MASTER CYLINDER MAINTENANCE (Contd)
CAUTION
When disconnecting hydraulic lines and hoses, plug all openings
to prevent dirt from entering and causing internal parts
damage. Remove plugs prior to installation.
REMOVAL
1.
Remove screw-assembled lockwasher (6) from brace (2) and open access door (1).
2.
Disconnect line (4) from adapter (5).
3.
Remove two screws (8) and shield (9) from air-hydraulic cylinder (7).
4.
Remove two screws (10) from bracket (20) and master cylinder (3). Push bracket (20) away from
master cylinder (3).
5.
Remove spring (14) from clevis pin (11) and bracket (13).
6.
Remove cotter pin (15) from clevis pin (11). Discard cotter pin (15).
NOTE
Brake pedal must be supported in full extended position for
ease when installing master cylinder.
7.
Scribe or measure position of jamnut (17).
8.
Loosen jamnut (17) and remove clevis pin (11) and yoke (16) from brake pedal lever (12).
9.
Remove pushrod (18) and boot (19) from master cylinder (3).
NOTE
Have drainage container ready to catch brake fluid.
10.
Remove line (21) from adapters (22) and (23).
11.
Remove four bolt-assembled lockwashers (24) and master cylinder (3) from bracket (26). Discard
bolt-assembled lockwashers (24).
12.
Remove adapter (22) and adapter (5) from master cylinder (3).
INSTALLATION
NOTE
All male pipe threads must be wrapped with antiseize tape
before installation.
Remove all plugs that were installed during the removal
procedure and from the left or right side of the master
cylinder, so that the master cylinder will fit through the
access hole in the frame cross member.
1.
Install adapter (22) and adapter (5) on master cylinder (3).
2.
Install master cylinder (3) on bracket (25) with four new lockwashers (25) and bolt assembled
lockwashers (24).
3.
Install line (21) on adapters (22) and (23).
4.
Install boot (19) and pushrod (18) on master cylinder (3).
5.
Install yoke (16) on pushrod (18) to measured distance or scribed mark, ensure yoke (16) forked
end aligns with brake pedal lever (12).
6.
Tighten jamnut (17) on pushrod (18).
7.
Align brake pedal lever (12) with yoke (16) holes and install with clevis pin (11) and new cotter
pin (15).
8.
Install spring (14) on clevis pin (11) and bracket (13).
0170 00-4
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