Operation Manual

Job Card No.:
Engine:
Filing No.:
© 0792
Piston
0178-07-297 5844
02.10.04 Page 1 of 2
S/BVM 628
Reconditioning
Normally, dismantling of the piston is not necessary.
If, however, dismantling is indispensable because of
the gauging results, this work may only be carried
out by DEUTZ AG or an authorzed workshop.
Job:
Removal
● Inspect piston as per Job Card 02.10.01.
● Inspect piston rings grooves as per Job Card
02.10.02.
● Unscrew nuts (4) and take thrust pieces (5) out of
piston base (3).
● Separate piston top (1) from base by hammering
copper or plastic drift through cooling oil dis
charge bore of the piston base.
● Clean all parts.
Do not damage components!
No manual or mechanical reworking is per
missible on seating surfaces between piston
top and base or on centering seats
● Measure dimension "X" of waisted studs with
depth gauge.
If dimension "X" exceeds 96 mm, renew waisted
stud.
● Renew all worn and damaged parts.
Reassembly
● Screw waisted studs (6) with 25 Nm into piston
top, if necessary.
● Place piston top (1) on its base (3) with dowel pin
(2) properly engaged.
● Slide thrust pieces (5) onto studs so that spheri-
cal end faces towards the piston top.
● Apply DEUTZ S2 to threads and contact surfaces
of nuts (4).
Fig. 1 Reconditioning of piston
Tools:
- Standard tools
- Slide
- Copper or plastic drift
Auxiliaries:
- Lubricant DEUTZ S2 (Section 3.6)
Job Cards:
- 03.20.02
- 02.10.02
© 50 627 0