WinGD RT-flex50DF, Maintenance Manual, Page: 153 / 586

Maintenance
2140 − 1/A1
Winterthur Gas & Diesel Ltd.
7/ 14
5. Pressure Test
1) Apply lubricating oil to the valve
spindle (3, Fig. 6 ).
2) Put the valve spindle (3) in position in
the valve guide (4).
3) Install the pusher (94214D) to the bush
(94214E) with the two M6x65
screws (9).
4) Turn fully in the special screw (8).
5) Turn the rod (1) to compress the
spring (5).
6) Attach the valve cotter (2) to the valve
spindle (4).
7) Turn the rod (1) back to release the
tension in the spring (5). Make sure
that the valve cotter (2) is installed
correctly in the spring carrier (11).
8) Attach the pressure reducing valve
(94214B) to the bush (94214E).
9) Connect a pressurized air supply to the
pressure reducing valve (94214B).
10) Set the pressure reducing valve
(94214B) to 10 bar.
11) Apply WD40 to the area of the sealing
faces (6, 7) (or an approved alternative)
as a spray to the area of the valve seat
and the soft metal seal.
12) The test is satisfactory if:
a) Up to five bubbles each second
come from the valve seat.
b) No bubbles come from the soft
metal seal.
13) If the test results are different than
those given, do the procedure given in
paragraph 6 .
14) Remove the pressurized air supply and
the pressure reducing valve.
2018 − 02
Gas Admission Valve: Removal, Disassemble, Assemble, Checks, Installation
94214B
Fig. 5
1
94214E
94214C
94214I
3
6
7
8
5
2
4
94214D
94214K
9
11
10