Opel 1900 1973 Service Manual page 580

Figure 9%128 Removing Internal Cylinder Assembly
Figure 9B-130 Removing Front Head
If sealing surfaces of front head (see Figure 9B- 13 1)
are damaged, replace front head. There is no Teflon
on front head sealing surface.
Disassembly of Cylinder Assembly
1. Pry off suction pass cover using screwdriver (see
Figure 9B-132).
2. Placevzylinder assembly (front end downward)
on top of compressing fixture (J-9397), number pis-
tons and cylinders "1, 2 and 3" to facilitate reassem-
bly (see Figure 9B-133), and separate cylinder halves
using a hard rubber mallet or hammer and wood
block.
Figure 96.131 Front Head Sealing Surfaces
Figure 98-132 Removing Suction Pass Cover
3. Disassemble rear cylinder half and discharge
tube from cylinder assembly and discard discharge
tube.
Depending on whether or not discharge tube comes
out with rear cylinder half or remains in front cylin-
der half it may be necessary to rotate shaft and wash
plate assembly (using a 9/16 inch opened wrench on
shaft seal portion of shaft) to achieve necessary clear-
4. Carefully disassemble from cylinder assembly
(see Figure 9B-134) and lay in respective place on
SEALING
SUCTION
PASS COVER