Plunger Pumps
Operating Instructions and Parts Manual
RSV Series Pumps
First Choice When Quality Matters
NORTH
AMERICA
Unloader Adjusting Instructions
Follow these easy steps to adjust the
pressure:
1. Loosen nut (pos. #3) with 10mm
wrench.
2. Turn brass (pos. #4) clockwise until
it stops.
3. Start pump, watch pressure gauge
and turn (pos. #2) using 3mm hex
clockwise until recommended/rated
pressure is obtained. Line pressure
will be approximately 200 psi less
then actual head pressure. DO NOT
set line pressure to rated.
4. Release trigger and make sure there
is minimal spike (200-300 psi) (Re-
peat this step two or three times).
5. Tighten nut (pos. #3) down against
(pos. #4).
4
2
3
Service Pumps (continued)
