Maintenance
5562−2/A1
Winterthur Gas & Diesel Ltd.
1/ 3
Removal, Check, Installation
Tools:
1 OBEL test bench 94272 2 Pressure gauge 94934A
1 Valve holder 94272A 2 HP hoses 94935
1 HP oil pump 94931
1. General 1..........................................................
2. Removal 2.........................................................
3. Relief Valve Test 2..................................................
3.1 Test and Calibration Fluid − Physical Conditions 2..............
3.2 Preparation 2.................................................
3.3 Sealing Pressure Check 2.....................................
3.4 Operation Pressure Check 2...................................
4. Installation 3.......................................................
1. General
Maintenance of the relief valve (1, Fig. 1) is not usually necessary, but you must do a
function check at regular intervals. Refer to the Maintenance Schedule 0380−1 Relief
Valve for the frequency to do the function test. Unserviceable relief valves must be
sent to the manufacturer, or a Wärtsilä Switzerland Ltd. authorized repair workshop
for inspection and repair.
The International Association of Classification Societies (IACS) approval is given for:
D The type of test
D The type of certificate
D The frequency of the test.
The results of the test must be recorded on the Inspection Report.
Note: The two bores (2) identify the relief valve (1) as a new item.
Fig. 1
1
4
AF80
WCH02959
2
Applicable pressure that
opens the relief valve
3
I
I
II
II
II - II
1
4
WCH02959
WCH02959
Fuel Rail
Relief Valve
2015
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