Operation
0525−1/A1
Winterthur Gas & Diesel Ltd.
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2.2.2 Defective Exhaust Valve Control Unit
If the piston, or the slide rod in the VCU cannot move, shut off the VCU immediately.
See 0520−1, paragraph 2 Emergency Operation with Exhaust Valve Closed.
Note: With one or more VCU cut-out, you can operate the engine only at
decreased load.
1) Replace the defective VCU as soon as possible (see 0520−1 Start the VCU and
the Maintenance Manual 5612−1).
2.2.3 Hydraulic Pipe to Exhaust Valve
1) If a hydraulic pipe to the exhaust valve is broken, cut out the injection to the
related cylinder (see 0510−1, paragraph 1 Cut Out the Injection).
2) Replace the defective hydraulic pipe as soon as possible (see 0520−1,
paragraph 2.3. See also the Maintenance Manual 8460−1).
2014
Faults in Servo Oil System
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