Maintenance0380−1/A1
Winterthur Gas & Diesel Ltd.
6/ 10
Group Component Work to be carried out
Intervals & Lifetime
[operating hours]
4325−1
− Disassemble, clean and check (Important parts
are: seat, springs and sealing rings)
30000 − 36000
− Do an overhaul of the common start valve
(SPC: Control Valve Complete, Group 4325−2)
18000
− Estimated lifetime: Starting air shut−off valve engine lifetime
Control air filter − Drain the filter weekly
− Clean the filter 6000
5
5551−1 Servo oil pump
− Replace servo oil pump either with new one or
a pump overhauled by a WinGD Services
workshop
36000
5552−1
Servo oil pump
drive
− Check pinion and driving wheels to servo oil
pump drive
3000
− Check bearing bushes to pinion 24000
− Check filter below the plug in the compensator
for particles
2000
− Estimated lifetime: supply unit pinion bearing
bushes
90000
5552−2
Fuel oil pump
drive
− Camshaft, check running surface of cams,
rollers & roller guides (first time after 500 Op.
h)
3000
− Camshaft, check bearing clearances at
random position
12000
− Camshaft, check thrust bearing clearances 36000
− Estimated lifetime: supply unit camshaft
bearings
90000
5556−1 Fuel pump − Random flow check of lubricating oil 6000
− Reconditioning of fuel pump 18000
− Estimated lifetime: Fuel Pump 18000
5562−1
Fuel pressure
control valve
(PCV)
− Check shut−down function (see Operation
Manual 4003−1)
3000
− Function check (see Operation Manual
5562−1)
6000
− General overhaul
only necessary if PCV
fails
− Estimated lifetime: Fuel pressure control valve
(PCV)
engine lifetime
2016-01
Inspection and Overhaul Intervals (Guidelines)
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