GROUP 0603-V-003-0207
STEERING
7
DocID
TRW TAS STEERING GEAR
Page 1-37
Review Draft
36
Assemble ball
return guide cap
13.
Place a new ball return guide cap seal (32) in the seal groove
of the cap (31). Make sure the seal makes full contact with the
rack piston surface. Install two new Allen or Torx head screws
(29) and torque each screw alternately until a final torque of
18
ft
•
lb
(24.5 N
•
m) is achieved.
Allen wrench or T-30
Torx socket
Ft
•
lb Torque
wrench
Grease
Ball cap seal is greased to hold
seal in groove while assembling.
Be sure not to trap the seal outside of the groove during
reassembly.
Do not allow valve housing to
contact the poppet stem or move
more than 2
1
/
2
inches (69.1 mm) from upper end of rack
piston during these procedures. This could incorrectly
reset the poppet, or back out worm beyond closed ball
loop, trapping balls.
The correct number of balls are
required for proper gear operation.
Count the balls and insert each carefully as in step 11.
TAS40 TAS55 TAS65 TAS66 TAS85
Original 29 30/31* 32 32 34
Service
29 31 32 32 34
*TAS55 gears built prior to 33889 were equipped with
30 balls.
Remove any fluid present in the
two screw holes. Fluid in these
holes could cause improper clamp load when torquing
the cap or strap screws.
Assemble balls
12.
Hold the ball return guides (33) firmly in place during this
entire procedure.
Insert as many of the steel balls as you can through the hole in
the top of the ball return guides. Rotate the input shaft to pull
the balls down and around the ball track guide path. Continue
until the correct number of balls are in the ball track guide path.
Hold down the ball return guides
until cap or clip is reinstalled.
Failure to hold the guides will result in a trapped ball or
balls, which could cause a vehicle accident. If the ball
guides become unseated (raise up) at any time, repeat
the procedure starting at step 9.
Summary of Contents for TA S40 Series
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