WÄRTSILÄ VASA 6L32, Instruction Manual

Page: 334 / 394

Caution! Do not increase the engine speed above the 920 RPM in any
circumstances.
The tripping speed should be 15 % above the nominal speed, see
chapter 06., section 06.1.
Caution! Special attention should be paid to the testing of tripping
speed as an inadequate carefulness may result in a disastrous
overspeeding of the engine.
22.5.4 Maintenance
a) Three-way solenoid valve
·
If the solenoid is out of order, replace it by a new one.
·
If the valve does not move, clean all channels. Check the
valve piston.
·
If air is leaking to the cylinders, change the sealings.
b) Air cylinder,
Fig 22-2
·
Check for wear.
·
Check the tightness of the piston. Replace sealings by new ones,
if necessary. Take care not to deform the teflon ring outside the
O-ring.
·
Lubricate the sealings and piston with lubricating oil.
·
Check that the piston does not stick.
22 Control Mechanism 32-200636-01
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