Maintenance
0380−1/A1
Winterthur Gas & Diesel Ltd.
5/ 10
Group Component Work to be carried out
Intervals & Lifetime
[operating hours]
3326−1
Guide shoe,
crosshead pin
− Check clearances 6000 − 8000
3403−1 Piston − Remove and clean
18000 − 36000
(condition based)
− Check tightness on piston in installed position
and with running oil pump, visual check
through scavenge ports
after installation
3403−3
− Disassembly and assembly (open cooling
space and clean same, min. one piston each
three years)
as necessary
3403−4 − Check condition of the piston top surface
at each piston
removal
− Visual check through scavenge ports to piston,
piston rings and cylinder liner
500 − 1000
− Measure ring grooves, inspect the chromium
plating and rechrome as necessary
18000 − 36000
(condition based)
− Estimated lifetime: Piston head ring grooves 18000 − 36000
− Piston head surface, full remanufacturing 72000
Piston
underside
− Check condition of space and clean as
necessary
1500 − 3000
− Make sure that the drains and orifices are not
blocked
1500 − 3000
3425−1 Piston rings − Measure thickness of chrome−ceramic layer 1500 − 2000
− Replace piston rings based on remaining
coating thickness
18000 − 36000
(condition based)
− Estimated lifetime: Piston rings 18000 − 36000
4
Start interlock
− Check electric and pneumatic interlocks (see
Operating Manual 4003−1)
quarterly
4103−1 Driving wheels − Check condition of teeth 6000 − 8000
− Check running clearance and backlash of teeth 6000 − 8000
− Estimated lifetime: driving wheels engine lifetime
Starting air
shut−off valve
− Release pressure / vent starting air inlet
(manifold) pipe
after each
manoeuvring period
2016-01
Inspection and Overhaul Intervals (Guidelines)
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