3B3-6 POWER STEERING
—
Sealing and bearing surfaces of the pitman
shaft (
221
) for roughness, nicks, or other dam
age. Replace the pitman shaft assembly if nec
essary.
—
Pitman shaft (221) for excessive wear or scor
ing. C heck the sector gear teeth fo r wear.
Replace the pitman shaft assembly if neces
sary.
—
Adjuster screw (222) threads for wear. The
adjuster screw must be free to turn with no end
play.
2. Rack piston.
—
Worm (248) and rack piston (214) grooves and
all balls (213) for scoring. BOTH MUST BE
REPLACED as a matched assembly.
—
Seal (216) and ring (217) for wear.
—
Ball return guide halves (212) for cracks and
damaged.
—
Bearing (247) and races (246) for scoring and
excessive wear.
—
Rack piston (214) teeth and external ground
surfaces for scoring or excessive wear. If either
condition exists, replace the rack piston (214)
and worm (248).
3. Adjuster plug.
—
Spacer (235) for wear or cracks.
—
Races (236, 238) for wear or scoring.
—
Adjuster plug (240) threads for wear.
—
Bearing (237) for wear or scoring.
—
Needle bearing (241) for wear, pitting or scor
ing. Replace if necessary.
A. In s ta ll B a lls In T h is H o le W h ile S lo w ly
R o ta tin g W o rm C o u n te rc lo c k w is e
B. W orm F la n g e
210. S crew
211. C la m p
212. Ball G u id e s
213. B a lls
Fig u re 12 — Installing th e Balls into th e R ack Piston
R ack p js to n
2 U
B-06517
4. Valve and stub shaft.
—
Seals (231) and rings (232).
—
Shaft pin for wear or cracks. If excessively worn
or broken, replace the com plete valve and shaft
assembly.
—
Ground surface of the stub shaft (251). If a cro
cus cloth cannot clean the nicks or burrs,
replace the entire valve assembly.
—
Outside diameter of the valve spool and inside
diameter of the valve body (250). If a crocus
cloth cannot clean the nicks or burrs, replace
the entire shaft and valve assembly.
—
The small notch in the skirt of the valve for wear.
If worn replace the com plete valve assembly.
—
Valve spool inside the valve body (250). The
valve spool, when lubricated with steering fluid,
must rotate freely w ithout binding. If binding
occurs, replace the com plete valve and shaft
assembly.
ASSEMBLY
■► 4* install or Connect (Figures 1 ,4 , and 10 through 14)
Tools Required
J 4245 Snap Ring Pliers
J 6217 Valve Connector
J 21552 Ball Retainer
J 22407 Bearing Installer
J 8092 Bearing Driver
J 7079 Bearing Remover and Installer
J 8524-1 Driver
J 7624 Bearing Preload Spanner W rench
1
. Balls (213), alternately by color, in the rack piston
(214) (figure
1
2). Use J 21552 in the rack piston.
• Lubricate the 24 balls with power steering fluid.
2. Balls (213), alternating by color, in the ball guide (212)
(figure 13).
• Retain the balls in the guide with petroleum
jelly.
Figure 13— R etaining th e B alls in th e Ball G uide