Piston Identification - CITROEN CX 2000 Repair Manual

OPERATION N" MA. 100-00 : (:hnractc,ri.stics arid specinl j(,atrlres o,/ the> cl,gi?lcJ.
Op. MA. 100-00
1
9
4. Barrels and pistons :
a)
Barrels :
cast iron wet-type removable barrels.
b) Pistons :
-- autothermic pistons, in lead-coated alpax,
- correct fitting : the arrow must point towards the engine flywheel
7
co
m
C
) Piston rings :
PISTON IDENTIFICATION MARKS
Correct fitting of piston rings :
The mark (( TOP 1) or the manufacturer's
mark must face the crown of the piston.
1. Compression ring ( no mark )
2. Oil scraper ring ( marked )
3. Scraper-collector ring ( marked ) 3 or 4
NOTE : Since February 1976, the scraper
ring (2 ) on I a85 cc engines is conical,
and not (( tooth-shaped )).