Technical data

Section 04 ENGINE

Sub-Section 02 (TOP END)

040-02-4

If the other cylinder has been removed, complete-

ly cover its opening with a clean rag.

1. Openings covered with rag and rubber pad

To remove circlip, insert a pointed tool in piston

notch then pry it out and discard.

WARNING : Always wear safety glasses

when removing piston circlips.

TYPICAL

1. Piston notch

717 and 787 Engines

To extract piston pin, use piston pin puller (P / N

290 877 092) as follows :

– Fully thread on puller handle.

– Insert extractor spindle into the piston pin.

– Slide the expansion sleeve (P / N 290 877 041)

onto the spindle.

– Screw in extracting nut (P / N 290 877 155) with

the movable extracting ring towards spindle.

PISTON PIN PULLER (P / N 290 877 092)

1. Bushing (P / N 290 877 181)

2. Expansion sleeve (P / N 290 877 041)

3. Extractor sleeve

4. Extractor spindle

5. Extracting nut (P / N 290 877 155)

– Firmly hold puller and rotate handle to pull pis-

ton pin.

1. Circlip at this side not to be removed

2. Grease expansion sleeve

– By turning the spindle, pull out piston pin until

it is completely removed from bearing.

– Rotate spindle until extracting nut can be re-

moved.

– Remove spindle and extractor sleeve from pis-

ton pin.

– Carefully remove the piston.

F01D43A

;

F01D0PA

F01B0VA

F01D2WA

F01D2XA