Hermetic Inspection - Ford TRADER Workshop Manual

ENGINE SPEED SENSING POWER STEERING
N
Adjustment of preload
Caution
• The following adjustment is made after the sector
shaft is installed.
1. Turn the worm shaft counterclockwise until
it
no longer turns.
2.
Turn it clockwise
2-3
turns.
3. This sets the steering gear in the straight-ahead position ..
Note
• At this position, the slit of the sector shaft end and
the axis of the worm shaft cross at a right angle.
4. Turn the adjusting bolt.
5. Measure the worm shaft preload in the straight-ahead po-
sition with the SST and a pull scale.
6. Turn the adjusting bolt to obtain the specified preload.
o
Worm shaft preload (after sector shaft installed)
Pull scale reading
5.9-7.8 N (0.6-0.8 kg, 1.3-1.8 Ib)
7. Loosen the adjusting bolt one full turn and then tighten it
a half turn.
8. Tighten the locknut
9. Verify the worm shaft preload.
" Gear housing
1 . Tap the oil seal in with the SST and a plastic hammer.
OR
Ik"iil,.
9TGONX.Q93
Hermetic inspection
1 . Connect the SST to the cylinder housing.
2. Connect a vacuum pump to the SST.
3. Apply
400
mmHg
(15.7
inHg) vacuum.
4. Verify that vacuum is held for at least
30
sec.
N-35