Hitachi ZAXIS 250LC-7 Operator's Manual page 41

Installing hoses between the base machine and the
boom
1. Release remaining pressure from the piping before
installing hoses.
Refer to the "Operator's Manual for Hitachi Excavator" for
releasing remaining pressure.
2. Install arm cylinder hose (6) and bucket cylinder hose (7).
Wrench size
Tightening torque : 180 N·m (18 kgf·m)
3. Connect the harness connector (9) of the front
attachment to the electric wiring of the boom light.
4. Store the removed plug for assembly.
DISASSEMBLING • ASSEMBLING
: 36 mm
41 mm
210 N·m (21 kgf·m)
6
4-7
MDADEU-SL1-002
7
9
MDCA-SL1-015