G.15Part. N. 8000 H1344 (10-2009)
ENGINE OVERHAULING
Piston ring/Piston rings groove clearance
Use a feeler gauge to check the axial play (H) of the rings in the groove. The manufacturer mark, if it is present on the piston ring,
must be turned upwards.
*: "d" cut posistion
Gudgeon pin/conrod small end clearance (A): 0.00047÷0.00106 in. WEAR LIMIT: 0.0022 in.
Conrod big end radial clearance (B): 0.00102÷0.00141 in. WEAR LIMIT: 0.00315 in.
PISTON RING CUT SETTING
PISTON RING CUT SETTING
PISTON RING NOMINAL CLEARANCE (H) WEAR LIMIT
"A" TE 310: 0,020÷0,060 mm 0,11 mm
(0.000787÷0.00236 in.) (0.0043 in.)
"A" TC 510 - TXC 450-510: 0,070÷0,110 mm 0,22 mm
(0.00027÷0.0043 in.) (0.0087 in.)
"A" TE-SMR 450: 0,065÷0,100 mm 0,24 mm
(0.00256÷0.00394 in.) (0.009 in.)
"A" TE-SMR 510: 0,030÷0,065 mm 0,13 mm
(0.00012÷0.0025 in.) (0.0051 in.)
"B" TE-SMR 450: 0,035÷0,070 mm 0,15 mm
(0.00138÷0.00027 in.) (0.0059 in.)
"B" TE-SMR 510: 0,020÷0,055 mm 0,11 mm
(0.0008÷0.0022 in.) (0.0043 in.)
"C" TC 510 - TXC 450-510: 0,040÷0,120 mm 0,24 mm
(0.00016÷0.0047 in.) (0.0094 in.)
"C" TE- SMR 450: 0,020÷0,110 mm 0,20 mm
(0.0008÷0.0043 in.) (0.0079 in.)
"C" TE- SMR 510, TE 310: 0,010÷0,180 mm 0,35 mm
(0.0004÷0.0071 in.) (0.0138 in.)
PISTON RING CUT SETTING
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