Replace Def/Adblue® Supply Module Main Filter - Hitachi ZW 310-6 Operator's Manual

Replace DEF/AdBlue® Supply Module Main Filter
--- every 4500 hours
A filter (4) is mounted in the DEF/AdBlue® pump.
Periodically replace filter (4).
d
CAUTION: Use rubber glove and goggles or safety
glasses for protection during operation. Wash DEF/
AdBlue® with clean water when it contacts on the
skin.
IMPORTANT:
 Take care not to allow dirt and/or water to enter
the DEF/AdBlue® tank while replacing filter (4).
 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 following the same procedures as
described on page 7-7 for preparation of inspection/
maintenance work.
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NOTE: The DEF/AdBlue® pump is located in the cover at
left rear of the machine with the DEF/AdBlue® tank.
2. Remove bolts (1) and cover (2) on the bottom.
3. Remove cap (3) from the DEF/AdBlue® pump by
using a 27 mm (1.06 in) dodecagon wrench.
4. 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.
5. Install new filter (4), and tighten cap (3).
m : Cap (3): 20±5 N·m (14.75±3.7 lbf·ft)
6. Fix cover (2) with bolts (1).
MAINTENANCE
7-109
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3
4
3
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90Z7B-7-121-2
90Z7B-7-122-2
90B-MDC1-07-044