WinGD X92 - 2728−1;A1

Maintenance
2728−1/A1
Winterthur Gas & Diesel Ltd.
1/ 4
Removal, Disassemble, Grinding, Assemble, Installation
1. General 1..........................................................
2. Preparation 1.......................................................
3. Removal 2.........................................................
4. Disassemble 2.....................................................
5. Grinding 3.........................................................
6. Assemble 4........................................................
7. Installation 4.......................................................
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 the Maintenance Manual 0380−1 Group 2728−1, 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:
3) Close the shut-off valves on the starting
air bottles.
4) Turn the handwheel of the starting air
shut-off valve 30-4325_E0_1 to the
position CLOSED.
5) Open the ball valves 30-8605_E0_6
and 30-8605_E0_7 to release the
pressure (see 4003−2 Control Diagram
and 4003−9 Air Systems).
6) Remove the air pipe (2) from the
starting air valve (1).
2015
Starting Air Valve
WCH02958
1
2
Fig. 1