03-7311 Removing and installing piston rings
Preceding work: Pistons removed (03.33-0040). |
Piston rings | offset gaps by 120°, install with TOP marking facing up. Pliers 000 589 37 37 00. |
Data
Engine 364, 366 366 A, LA
Piston dia. 97.5 / 98.0 97.5
Slot I Plain compression ring Double wedge type ring
Piston ring gap clearance new 0.20 to 0.35 0.20 to 0.35
for repairs max. 1.20 0,80
Slot II Taper faced ring
with counter bore
Piston ring gap clearance new 0.20 to 0.35
for repairs max. 0.90
Slot III Double-chamfered oil control ring
with coil spring
Piston ring gap clearance new 0.25 to 0.40
for repairs max. 0.80
Special tool
Removing, installing
1 Set pliers to piston diameter.
2 Remove piston rings starting with the top and working down to the bottom ring.
Installation note
- Offset piston ring gaps by 120°.
- TOP marking must face up.
- The piston rings must be inspected visually for breaks in the coating before installation and after assembly; if necessary, the piston ring must be replaced.
Pliers 000 589 37 37 00
3 Insert piston rings in the unworn area of the cylinder barrel or liner.
4 Measure piston ring gap clearance; see data.
5 Install in reverse order.