198003027 - 1028H60 SET OF PISTONS, GUDGEON PINS AND SEALS - REPLACE PISTONS AND CONNECTING RODS AT THE BENCH - INCLUDES ALIGNMENT AND BALANCING

Removing ( Refitting ) 1. Remove the o-rings.2. Release the pin (2a) and separate the connecting rods (2b) from the pistons (2c).
1. Remove the piston rings (1a) from the pistons using a suitable tool (1b).
Refitting ( Removing ) Check the alignment of the connecting rods using suitable equipment; if it is not correct, replace the connecting rod.Check that the weight difference between the pistons corresponds to the recommended figures.
The arrows in the diagram illustrate where material can be removed from the to equalize the weight.
MeasurementValueValidity
Permitted weight difference between pistons (g)+/- 5
Check that the weight difference between the connecting rods, complete with half-bearings, caps and bolts corresponds to the recommended figures.
The arrows in the diagram illustrate where material can be removed from the to equalize the weight.
MeasurementValueValidity
Permitted difference in weight between connecting rods (g)+/- 2.5
Fit the piston rings on the pistons using the tool.1. Join the connecting rods to the pistons so that the number printed on the connecting rod head (1a) is facing notch (1b) on the piston skirt for the oil jet housing.Fit the pins and secure them using the circlips.