Maintenance
2728−1/A1
Winterthur Gas & Diesel Ltd.
1/ 6
Removal, Disassemble, Grind, Assemble, Installation
Tools:
1 Assembly tool 94281
1. General 1..........................................................
2. Preparation 1.......................................................
3. Removal 2.........................................................
4. Disassemble 3.....................................................
5. Grind 4............................................................
6. Assemble 4........................................................
7. Installation 6.......................................................
1. General
You must remove and disassemble the starting air valve for maintenance if:
D The starting air valve does not operate correctly during the engine start
procedure
D The starting air pipe becomes hotter than on adjacent cylinders during operation.
Read the data in 0380−1 Starting air valve, for the applicable intervals to do checks
on the starting air valve.
2. Preparation
1) Stop the engine.
2) Release the pressure in the starting air system as follows:
a) Close the shut-off valves on the starting air bottles.
b) Turn the handwheel 2.10 of the starting air shut-off valve 2.03 to the position
CLOSED (refer to the Operation Manual, 4003−2 Control Diagram).
c) Open the ball valves 2.06 and 2.21 to release the pressure.
2016
Starting Air Valve
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