312002376 - 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).
The maximum permitted opening for the ring is 28 mm.
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.
MeasurementValueValidity
Permitted weight difference between pistons (g)+/- 81.3 Multijet
- Check that the weight difference between the connecting rods, complete with half-bearings, caps and bolts corresponds to the recommended figures.
MeasurementValueValidity
Permitted difference in weight between connecting rods (g)+/-1.3 Multijet
- Fit the piston rings on the pistons using the tool.
The maximum permitted opening for the ring is 28 mm.
1. Join the connecting rods to the pistons so that the number printed on the connecting rod big end (1a) is facing the oppsite side of the notch (1b) on the piston skirt for the oil jet housing.- Fit the pins and secure them using the circlips.