March 2021
Page 88 of 143
59812-K007 Rev 17
Business Confidential
Figure 140
Emulsified oil in the detector base
Fuel in the lube oil (a green colour in the lube oil) may indicate a problem with the fuel oil heaters
or leaking valves.
Figure 141
Fuel in the lube oil
Metal particles may indicate wear due to high vibration levels.
12.
Verify all vital and non-vital alarm actions at Mk7 Control Unit function correctly.
Using the Test Menu, see section 3.5, check the correct operation of the Slow Down Relay, Pre-Alarm
Relay and Fault Relay.
ANNUAL:
A Graviner Authorised Service Engineer should perform a complete system inspection.
1.
Record serial numbers and software revisions