13.
Loosen locknut (M) counterclockwise;. Turn
adjustment cap (N) clockwise to increase
pressure, counterclockwise to decrease
pressure.
14.
Set idle speed (*) by adjusting position of rod
end bearing on governor cable at engine.
Tighten lock nut.
15.
If pressure at unload is unsteady, loosen
locknut (H) and rotate rod (L) out of rod end
bearing one quarter turn at a time until
steady. tighten locknut (H).
16.
Open service air valve and observe full load
engine speed (*). Adjust regulator to give
rated operating pressure (*). Tighten
locknut (M).
17.
Close and slowly open service air valve. If
engine speed surges, increase tension on
spring (G) by moving nuts (E) and (F).
XHP900
Units ONLY:
Should not be
adjusted by moving nuts (E) and (F). See
Step 7.
If set speeds are not correct, repeat
steps 14 and15 as required.
18.
To regulate to any pressure between 150 psi
(1050 kPa) and maximum rating (*), make
adjustments at the pressure regulator.