Leach 2R-III, Maintenance Manual

Page: 77 / 168

Check-Out 67
4.
Connect manual pump (see Figure 6-3) to the empty quick-connect (FD56).
Figure 6-3 Hydraulic manual pump (example)
5.
Unlock the adjustment nut, then loosen the resistance cartridge pressure set-screw by some turns
to reduce resistance.
6.
Use the manual pump to reach a reading of 1800 PSI on the gauge. If pressure stops going up
before reaching that value, tighten the pressure set-screw by a quarter of a turn and repeat
pumping operation.
Repeat this step until pressure has reached 1800 PSI on the gauge.
7.
Lock the adjustment nut when the correct pressure is reached.
8.
Cover resistance cartridge with heat-shrinkable tube.
9.
Disconnect the manual pump and pressure gauge.
10.
Disconnect the hydraulic connectors.
11.
Reconnect the pipe and hose as they were previously connected.