Maintenance
2751−2/A1
Winterthur Gas & Diesel Ltd.
5/ 8
3.2 Valve Spindle − Install
1) If the valve seat or spindle are new
items, you must examine them. Refer
to the instructions given in 2751−3,
paragraph 5.
2) Measure the dimensions of the valve
spindle (7, Fig. 7).
3) Compare the values with those given in
0330−1, Clearance Table Exhaust
Valve.
4) Examine the piston seal ring (9). If
there is damage, replace the piston
seal ring.
5) If necessary, replace all O-rings .
6) Put oil on the valve spindle (7).
7) Use the applicable lifting equipment to
lift the valve cage (4).
Note: When you do step 8) below, make
sure that you do not damage the
guide bush.
8) Hold the valve spindle (7) in position,
then carefully lower the valve cage (4)
over the valve spindle.
9) Put oil on the new rod seal ring (7,
Fig. 6).
10) Put the new rod seal ring (7) in position
in the valve bush (5).
11) Before you install a new piston seal ring (9, Fig. 7), do as follows:
a) Put the piston seal ring into very hot water for some minutes.
b) Carefully put the piston seal ring in the correct position on the piston (10).
12) Attach the spacer (5) to the valve cage (4) with the four screws (6).
13) Install the piston (10), the two parts of the valve cotter (2) and the circlip (1).
2016
Exhaust Valve: Disassemble and Assemble
WCH02863
Fig. 7
2
3
1
4
7
8
9
10
5
6
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