Operation Manual

Table Of Contents
Job Card No.:
Engine:
Filing No.:
Job:
Removing the Valve
After removing the cylinder head (see job 01.05.01),
remove clamping cone (7) by using removing device
(see job card 01.05.05).
Take down rotor (2), compression springs (4) and (5),
and spring cap (3). Withdraw exhaust valve down-
wards. Renew O-seal (10).
Clean valve components, inlet ducts in head, head
base and check valve seats. For reconditioning see
job card 01.07.01.
Refitting the Valve
Check that groove for clamping cone (7) and groove
(11) for removing / refitting device in the valve stem
are absolutely free from burrs to avoid damage to O-
seal (10). Install valve (8) with oil and retain at the
bottom. Make sure that 0-seal (10) will not become
defective. Fit springs (4) and (5) . Next, installrotor (2).
Mount refitting decvice (see job card 01.05.05) and
install clamping cone (7). Release and remove refit-
ting device.
Be sure clamping cones are located correctly.
© 1090
01.05.01
S/BVM 628
Exhaust Valve
Removal / Refitment
0178-08-10 2067
Job Cards:
- 01.01.01
- 01.04.01
- 01.05.05
- 01.07.01
Tools:
- Standard tools
- Valve removing / refitting device
(Section 1.8)
© 25 220 1