Operation Manual

Table Of Contents
Job Card No.:
Engine:
Filing No.:
Valve Seat Ring
Removal / Refitment
0178-08-10 1854
© 1084
01.13.01 Page 1 of 3
S/BVM 628
Fig. 1
In accordance with the engine equipment specifica-
tio - depending on the type of fuel stated when the
engine is ordered - the cylinder heads can be provi-
ded with cooled or uncooled exhaust valve-seat
rings. Inlet valve-seat rings are always uncooled.
Job:
First remove valve (Job Card 01.05.01).
Removing the Uncooled Valve-Seat Ring - Fig.1 -
Clean deposits out of the groove between valve-seat
ring and cylinder head and insert circlip (6). Place
puller bush (5) through inlet or exhaust passage
respectively onto the circlip and, from the combusti-
on chamber side, screw plate (7) onto the puller
bush. This is necessary to ensure that the circlip is
not pressed out of its groove during the pulling
operation.
Now screw the hex. bolt (4), together with washers
(2), bearing (3) and puller support (1) into the puller
bush. Pull out the valve-seat ring by tightening the
hex. bolt. Clean receiving bore in the cylinder head
without damaging it.
Job Cards:
- 01.05.01
- 01.07.01
Tools:
- Standard tools,
- Puller tool for fitting and removing
valve-seat rings (Section1.8).
- Locking compound Deutz DW 57
(Section 3.6).
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