Case CX235C SR Operator's Manual page 216

Crawler excavator
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6. Move this handle and expel from the drain hose (3) the
fuel with which air bubbles were mixed. This action is
the back-up of electromagnet feed pump (4). Move
this handle until air bubbles are lose in fuel.
7. Turn "Off" the ignition key.
8.
Next, tighten the air bleeding plug (2) which had been
loosened in step 3 and continue to move the feed
pump (1) handle. When the handle becomes difficult
to move, air bleeding is completed. Air bleeding : 8 -
12 N·m (5.9 - 8.9 lb ft).
9.
Push in the handle of the feed pump (1) to return it to
its original position.
10. Turn "On" the ignition key to operate the electromag-
netic feed pump draining the contaminant (impurities)
in the fuel pipes for more than 30 seconds.
11. Set each cock of (A), (B) and (C) as follows.
Cock (A) (fuel tank): Open
Cock (B) (engine): Open
Cock (C) (drain): Close
12. Completely wipe off any spilled fuel, start the engine
and check for any fuel leakage.
ATTENTION: Tightening it with torque exceeding the
specified may cause the rubber section of gasket to
be damaged.
Cleaning the electromagnetic feed pump filter
1. Located near the fuel filter, place a receptacle of suit-
able capacity under the electromagnetic feed pump.
6 - MAINTENANCE
6-32
16
D76B4A31
17
A30BDED0A
18
6F4E2FB5
19
19CC7FAB

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