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3B1A-4 POWER STEERING GEAR UNIT REPAIR
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3.
O -ring seal (11).
;i
•
Turn the stub shaft counterclockwise; until
the rack piston (50) covers the crossover hole
(see: Figure 4).
Important
Aluminum square drive head (8), rap the plug
sharply using a hammer and brass drift.' Steel
hexagon head (8) do not rap. Remove With a
1" socket.
;'rji
; 4.
5.
6
.
, 7.
Plug (8) from rack piston (50). Turn the plug
Side cover (3). Turn adjuster screw on pitman Shaft
(2) clockwise until the side cover (3) separates from
the pitman shaft (5) (Figure 5).
•
Turin stub shaft (31) clockwise untilpitman
shaft teeth (5) and rack pistons (50) and (7)
are disengaged (see Figure 6).
Important
If secondary cylinder plug (12) was forced
out o f housing (6) during step 3, proceed to
step 8.
•
Turn stub shaft (31) clockwise until rack
piston (50) bottoms in housing (6).
•
Align the end tooth o f the pitman shaft (5)
with the center groove o f the rack piston (50)
and (7) (see Figure 7).
■;
; !
•
Turn stub shaft (31) counterclockwise until
the plug (12) separates from the housing (6).
8.
Secondary rack piston (7) (see Figure 7).
Important
•
D o not remove the plug (8) from the rack
piston (7) during this procedure. Remove
only for replacement.
•
Rotate the stub shaft (31) clockwise until the
pitman shaft teeth (5) are free of the rack.
•
Turn the pitman shaft until the teeth are
horizontal.
•
Insert tool J 21552 into the rack piston bore
with the pilot o f the tool seated into the end of
the worm (33).
•
Hold the toot against the worm and turn the
stub shaft counterclockwise. The rack piston;
: ! (50) will be forced onto the tool.
• 1 Hold tool and pull the rackpiston toward the
handle until it touches the tool flange. This
Figure 5 Side Cover Removal
Figure 6 Disengaging the Pitman Shaft Gear Assembly
Summary of Contents for C Series 1993
Page 1: ......
Page 12: ...OA 6 GENERAL INFORMATION Figure 11 Allison Transmission I D Location ...
Page 44: ...3B1A 2 POWER STEERING GEAR UNIT REPAIR Figure 1 710 Power Steering Gear ...
Page 62: ......
Page 75: ...3B3 2 POWER STEERING COMPONENTS TRW ROSS ...
Page 121: ...5H 16 AIR BRAKE VALVES Figure 21 Bendix Proportioning Relay Valve Components ...
Page 147: ...5J 10 AIR COMPRESSOR AND GOVERNOR 286 F9051 Figure 18 Bendix BX 2150 Compressor Components i ...
Page 204: ...MODEL 295 TBI UNIT 6C1 3 F7973 Figure 3 Model 295 TBL Unit ...
Page 251: ...6D4 6 37 MT STARTER MOTORS V3022 Figure 8 37 MT Components ...