Hitachi ZAXIS 120-6 class Operator's Manual page 458

2. ZX120-6, 160-6 class
Open the right cover.
ZX200-6, 240-6, 300-6, 330-6 class
Remove bolts (1) and cover (2).
3. Place 0.5 liters or larger capacity container under cap (3)
to collect the drained water.
4. Remove cap (3) from the DEF/AdBlue® pump by using a
27 mm bihexagon wrench.
5. Pull out filter (4) inside the pump. As it is tightly
mounted, it can not be pulled by hands. Use tools such
as a pliers. Replace filter (4) assembly when replacing
filter (4) of DEF/AdBlue® supply module.
6. Install new filter (4), and tighten cap (3) with 20±5 N·m
(2.0±0.5 kgf·m) torque.
7. Fix cover (2) with bolts (1).
MAINTENANCE
7-164
ZX120-6, 160-6 class
2
1
ZX200-6, 240-6, 300-6, 330-6 class
3
ZX200-6, 240-6, 300-6, 330-6 class
4
3
3
MDC1-07-080
MDC1-07-016
MDC1-07-017
MLAD-07-037