PREVOST H3-41 Maintenance Manual page 601

5. Loosen the lower mounting bolt shown.
Take note that the bolt is equipped with a nylon
insert. This bolt should be replaced after three
(3) tightenings.
6. Rotate the valve body to
increase or decrease the
clearance as shown (the
mounting bracket
slotted hole).
7. Allow 15 minutes to the air
system to settle
measuring the
clearance. Repeat previous
step if necessary.
8. If rotation of the control valve is not enough to
obtain the required adjustment, you can use
one of the two (2) other holes.
9. Tighten the lower
adjustment is done.
INCREASING CLEARANCE
has a
before
resulting
mounting bolt once
MI16-14 / Page 7 / 10
DECREASING CLEARANCE
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