Maintenance6420−2/A1
Winterthur Gas & Diesel Ltd.
2/ 4
2. Relief Valve − Check
WARNING
Injury Hazard! Do not disassemble the relief valve. Parts can eject at
high speed and cause injury. If there is damage or a malfunction,
speak to the manufacturer of the relief valve or Wärtsilä Services
SwitzerlandLtd.
1) Do a check of the relief valve during each engine overhaul as follows:
a) Do a visual check for damage and corrosion. If necessary, replace the relief
valve (1, Fig. 2).
b) Do a check of the seal wire (3) and the lead seal (2). If the seal wire and lead seal
are broken, you must replace the relief valve.
1
I
3
2
1
2
1
II
II - II
II
WCH03554
Fig. 2
2016
Scavenge Air Receiver − Clean and Checks
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