Hitachi ZW 120-6, Operator'S Manual

Page: 340 / 364

MAINTENANCE
7-122
Replace DEF/AdBlue® Supply Module Main Filter
--- every 4500 hours
A filter (2) is mounted in the DEF/AdBlue® supply module.
Periodically replace filter (2).
d
CAUTION: Wear safety equipment such as safety
glasses or goggles, rubber gloves appropriate to
the job. Wash DEF/AdBlue® with clean water when it
contacts with the skin. If DEF/AdBlue® is accidentally
splashed into eyes, flush with water for 15 minutes or
longer and get emergency medical attention.
IMPORTANT:

Take care not to allow dirt and/or water to enter the
DEF/AdBlue® tank while replacing filter (2).
 Check for leaks around the mounting position after
replacement.

White deposition may be observed when DEF/
AdBlue® is dried naturally; it is normal. Wash out
DEF/AdBlue® deposition with clean water. Never use
a high pressure washer.
1. Park the machine according to the instruction on
Preparations for Inspection and Maintenance (7-7).
2. Open the side cover.
3. Remove cap (1) from the DEF/AdBlue® supply module by
using a 27 mm (1.1 in) bihexagon wrench.
4. Pull out filter (2) inside the supply module. As it is tightly
mounted, it can not be pulled by hands. Use tools such
as a pliers. Replace filter (2) assembly when replacing
filter (2) of DEF/AdBlue® supply module.
5. Install new filter (2), and tighten cap (1) with 20±5 N·m
(2.0±0.5 kgf·m, 14.8±3.7 lbf·ft) torque.
6. Close the side cover.
2
1
90B-MDC1-07-044
MNSC-07-048
DEF/AdBlue® Supply Module
1