• Make sure that the hydraulic hoses are securely connected to both the
pump unit and the tool. Make sure that there is no clearance between the
male couplings and the female couplings. If the hydraulic hoses become
loose, no hydraulic oil will flow through the hoses and the tool will not
operate.
Procedure
1. If the hose couplings are dirty, clean
them with a lint-free cloth.
2. Fully tighten the female couplings to
the male couplings.
3. Manually tighten the hose
couplings. Do not use pliers.
4.1.3 Disconnecting the hydraulic hoses
Warning:
• Make sure that the system is depressurized.
Procedure
1. Disconnect the return hose from the
pump unit and the tool.
a) Electric pump unit (1): If you
cannot disconnect the return
hose, press and hold the stop
button (B) and press the start
button (A) on the remote
control.
b) Pneumatic pump unit (2): If you
cannot disconnect the return
hose, set the on/off switch (A)
to the off position and press the
start button (B) on the remote
control to depressurize the
hose.
c) If you still cannot disconnect
the return hose, there is residual pressure in the hose. Press the pressure relief
valve (C) on the pump unit to depressurize the hose.
2. Disconnect the supply hose from the pump unit and the tool.
3. Roll up the hydraulic hoses and connect the hose couplings to prevent them from
becoming soiled.
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