OPERATOR INSTRUCTION MANUAL
IM_HP_EX_Rev03_A4
HP350SMINEX; HP350DMINEX; HP550SMINEX;
HP550DMINEX; HP1000SMINEX; HP1000DMINEX
HYDRAULIC SEALED HAND PUMPS
9
d.
If after pressurising one system the control valve
for the unpressurised system is opened then the
pressure in both systems will adjust until they are
equal.
4.
a.
To depressurise both systems simultaneously,
open both control valves and gently open the
release valve by rotating the release knob anti-
clockwise.
b.
To depressurise only one system, open only the
control valve for that system and gently open
the release valve by rotating the release knob
anti-clockwise.
5.
At any time, during pressurisation of the systems,
the appropriate control can be closed to hold one
system at a fixed pressure while the pressure in
the other system can be increased by raising and
lowering the pump handle or decreased by opening
the release valve.
6.
Once both systems have been fully depressurized
the pump can be disconnected by unscrewing the
couplers
