Group 2 Cylinder; Removal And Installation Of Boom Cylinder - Hitachi ZX200-5G Workshop Manual

Removal and Installation of Boom Cylinder

Removal
1. Disconnect hose (1) from boom cylinder (2).
j : 17 mm
d
CAUTION: Boom cylinder (2) weight: 170 kg (375
lb)
2. Attach nylon slings onto boom cylinder (2). Hoist
and hold boom cylinder (2).
d
CAUTION: Metal fragments may fly off when
a hammer is used. Wear necessary protection,
such as goggles, helmets, etc in order to prevent
personal injury.
3. Remove nuts (5) (2 used), bolt (7) and stopper (6)
from the boom cylinder (2) rod side. Push pin (4)
into the boom by using a bar and hammer. Remove
thrust plates (3).
j : 30 mm
4. Place boom cylinder (2) on a stand. Remove the
other boom cylinder in the same way.
5. Operate the boom control lever and retract boom
cylinder (2). In order not to extend the rod, pass a
wire through the rod hole and secure the rod to the
cylinder tube.
SECTION 5 FRONT ATTACHMENT

Group 2 Cylinder

W5-2-1-1
1
2
7
6
5
3 4
2
W105-04-02-032
3 2
W158-04-02-013
W105-04-02-035