Maintenance
0380−1/A1
Winterthur Gas & Diesel Ltd.
3/ 10
Group Component Work to be done Intervals & Lifetime
(operation hours)
2722−1 Injection valve
(main fuel
injector)
− Do an external check for tightness after engine stop, before
a longer standstill
− Do a function check (nozzle tip inspection,
opening pressure)
6000
− Exchange nozzle tip (FAST type) 18 000
− Make sure that the opening pressure is correct 1000 after injector parts
are replaced
Estimated lifetime: Nozzle spare parts set
(eg Coupling nut and nozzle body with needle)
18 000
2728−1 Starting air valve − Do a check of the pipes upstream of the valve
during operation. If the pipes are too hot,
disassemble the starting valve
weekly
− Remove and disassemble one starting valve.
From the condition, calculate the time of
overhaul for remaining valves
12000
− Make sure that the nut on the solenoid is tight, if
necessary tighten the nut.
monthly
− Solenoid valve: Do a random functional check 6000
− Solenoid valve: Do an overhaul 18 000
Estimated lifetime: Starting valve engine lifetime
2745−1 Relief valve to
cylinder cover
Do a check of the blow−off pressure As necessary
2751−1
to
Exhaust valve − General inspection of valve housing, valve
spindle and valve seat
(do not disassemble the exhaust valve)
at each piston removal
2751−4 − Check condition and wear of valve spindle
(if necessary grind the valve seat)
36 000 (initial inspection
18 000)
− Valve drive: do a check of the piston seal ring /
air spring and rod seal ring / guide bush
36 000 (initial inspection
18 000)
− Do a check of the condition of the valve seat 36 000 (initial inspection
18 000)
− Do a random check of the valve drive, outer and
inner pistons, damper and thrust piece
18000
Inspection and Overhaul Intervals (Guidelines)
2020−06
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