PISTON RING RATED THICKNESS
Specification Desc./Quantity
Piston ring No. 1 1.17-1.19
Piston ring No. 2 1.47- 1.49
PISTON RING OPENING
Specification Desc./Quantity
Piston ring No. 1 ("T" reference mark) 0.27-0.37 mm
Piston ring No. 1 ("N" reference mark) 0.27-0.40 mm
Piston ring No. 1 (clearance limit allowed) 0.12 mm
Piston ring No. 2 0.4-0.55
Piston ring No. 2 (clearance limit allowed) 0.8 mm
Scraper ring (Spring A) 0.2-0.6 mm
Scraper ring (Spring B) 0.15-0.6 mm
Scraper ring (allowed limit) 1.0 mm
Oil scraper piston circlip
(A) = Shape A
(B) = Shape B
Piston rings - Inspection
Piston ring removal
1. Remove the circlips No.1 and No. 2, with an ex-
pander for circlips.
2. Remove the oil scraper rings manually.
3. Remove the oil scraper spring manually.
- POSITION THE PISTON RINGS REMOVED FROM THE
PISTONS SO THAT ITS FITTING POSITION CAN BE EASI-
LY RECOGNISED.
- DO NOT EXTEND THE PISTON RING MORE THAN RE-
QUIRED PURPOSELESSLY.
Engine PORTER 1.3 16V
EN - 302
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