Hitachi ZAXIS 250LC-7 Operator's Manual page 43

5. Install lubrication piping (16) to the rod side adapter on
boom cylinder (10). (2 positions on left and right side)
Wrench size : 19 mm
Tightening torque : 30 N·m (3.0 kgf·m)
6. Lubricate rod side, bottom side and foot side of boom
cylinders (10) (2 used).
DISASSEMBLING • ASSEMBLING
4-9
16
10
W105-04-01-002
Boom Cylinder
Rod Lubrication
Points
Boom Foot
Lubrication
Points
MDCA-SL1-016