Ford TRADER Workshop Manual page 605

PUSH ROD
LOCKNUT
CLEAAANCE-:~~E~
9TGOPX-029
9TGOPX-030
9TGOPX-031
BRAKE SYSTEM
p
2. Apply a vacuum of 500 mmHg (19.7 inHg) to the vacuum
power assist with a vacuum pump.
3. Invert the SST used in step 1. and place it on top of the
vacuum power assist.
4. Check the clearance between the end of the SST and the
push rod of the power brake unit.
5. If it is not Omm (0 in). loosen the push rod locknut. and turn
the push rod to make the adjustment.
Adjustment
1. Loosen the push rod locknut.
2. Turn the tip of the push rod and adjust the push rod
clearance.
3. Recheck the clearance.
Note
• By making the above adjustment, the clearance be-
tween the push rod and piston (after installation of
the master cylinder and the power brake unit) will
be as shown in the table below.
Push rod-to-piston clearance
When no vacuum applied to unit
0.4-0.6mm (0.016-0.024 in)
When vacuum applied to unit is
0.1-0.3mm (0.004-0.012 in)
approx. 500 mmHg (19.7 inHg)
P-13