Maintenance0380−1/A1
Winterthur Gas & Diesel Ltd.
10/ 11
Group Component Procedure Intervals and Service
Life (operation hours)
Pressure
gauges and
pyrometers
− Compare and calibrate according to the
master instruments
6000 to 8000
Pipe holders − Make sure that the fasteners are tight. Tighten
the screws if necessary (first time after 100
Op. h.)
As necessary
8447−1 Servo oil pipes − Grind sealing faces As necessary
Non-return valve − Random check 18000
8460−1 Hydraulic pipe −
exhaust valve
drive
− Grind the sealing faces As necessary
8733−1 HP pipe to
injection valve
(on cylinder
cover)
− Grind the sealing faces As necessary
8744−1 Supply unit, fuel
drain pipes
− Make sure that the pipes are not blocked 6000
8752−1 HP fuel pipe − Grind the sealing faces As necessary
8903 Gas supply pipe − Shut off and vent valves: Do a tightness check
of the ball valves and the shaft sealing
6000
− Do a visual check of the compensators 6000
− Estimated service life Engine lifetime
9
9223−1 Crank angle
sensor
(proximity
sensors on gear
wheel at driving
end)
− Replace the proximity sensor As necessary
Oil mist detector − Refer to the manufacturer’s instructions Six monthly
UNIC Control
System
− Replace the modules: CCM−20, MCM−11 and
LDU−20, refer to the Operation Manual
4002−1.
66000
− Replace exhaust valve stroke sensor and TDC
sensors if defective
66000 (replacement if
required)
− Do a visual check of the cables Quarterly
Inspection and Overhaul Intervals (Guidelines)
2020