DeVillbiss Air Power Company D21684 - Manual (Page 14)

14 — ENG
Pressure adjustment :
The pressure setting is preset at the factory to achieve
optimum pressure and cleaning. If you need to lower
the pressure, it can be accomplished by two methods.
The first method is to back away from the surface to
be cleaned. The further away you are, the less the
pressure will be on the surface to be cleaned.
The second method is to adjust the pressure regulator
on the pump. Please read the following instructions
for adjusting the pressure regulator:
Refer to page 16 and 17 to identify the pump that is
on your pressure washer. The pressure is not adjust-
able on DAPC, Faip, Karcher, or smaller Giant pumps.
The Annovi Reverberi, Cat, General and larger Giant
pumps pressure can be lowered by turning the
pressure regulator counterclockwise. Refer to the
illustrations to the right to identify your pressure
regulator.
Once you have finished using your pressure washer,
return the pressure regulator to its original position by
turning it clockwise.
DO NOT attempt to increase pump pres-
sure. A higher pressure setting than the
factory set pressure will damage pump.
CAT
Annovi Reverberi
OPERATING PROCEDURES (cont'd)
General
Giant (beltdriven) P316
Giant P303
Giant (beltdriven) P316
(unloader mounted on frame)
(unloader mounted on pump)