Hitachi EX20UR-2 Manual page 35

W551.02-01-004
4. Attach sling belt (2) to pump (1). While applying a
slight tension to the sling belt with a crane, remove
two bolts (3) (2 used). Then, lift pump (1) with the
crane to remove it.
*g IG:
17 mm
Reference: The approximate weight of the pump is 6
kg (13 lb).
Install Pump Device (EX2OUR-2)
1. Lift pump (1) with a crane. Install pump mounting
bolts (3) (2 used).
IrstmG:
17 mm
r—a : 49 N1•m ( 5 kgf•m, 36 lbf•ft )
2. Connect all hoses to the pump. Install the cap onto
the hydraulic tank.
Refill the hydraulic oil as required.
*ma& : 19 mm
rig: 29.5 N.m ( 3 kgf•m, 2 lbf•ft )
*
C•: 22 mm
39 N•m ( 4 kgf-m, 29 lbf•ft )
W551-02.01-003
W551-02-01-004
W02-03-02
UPPERSTRUCTURE / Pump
Device