Porsche 928 Workshop Manual page 137

928
Engine/Crankshaft, Pistons
13
a
No.
-
1
Description
RY.
!emoving
Connecting rod
nut
16
2 Connecting rod
cap
8
Note pairing code
3
Bearing shell
a
a 4
Connecting rod 8
5
Bearing shell 8
6
7
Circlip
Piston pin
.6
8
a 8
9
10
11
Piston
8
Connecting rod
bolt
6
Piston ring
Groove 1
Tapered face
a
Piston ring
Groove 2
Tapered face
scraper ring
a
-
I
Note When:
ry out
Installing
Replace, tighten to
specified torque.
Lubricate threads
and bearing surface
Always replace worn
bearing shells
Check for distortion
and parallel devia-
tion. Make sure that
narrow side with small
chamfer faces neigh-
boring connecting rod.
Wide side with large
chamfer faces crank-
shaft cheek
Always replace worn
bearing shells
Position correctly
Heat piston to approx.
60" C/140" F if hard to
install, lubricate
slightly
Lubricate slightly.
Position correctly.
Uote tolerance group
a
Printed in Germany-XIX,1987
Disassembling and Assembling
Pistons and Connecting Rods
13 - 13