Mazda LF Spezifikationen Seite 42

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Seitenansicht 41
MECHANICAL
01–10–28
Main Bearing Cap Assembly Note
1. Install the main bearing caps in the order
indicated in the figure.
2. Tighten the main bearing cap bolts using the SST
(49 D032 316).
Tightening torque
Plastic region tightening bolt (Bolt stem
length 110 mm)
(1) 44—46 N·m {4.5—4.6 kgf·m, 32.5—33.9
ft·lbf}
(2) 175°—185°
Elastic region tightening bolt (Bolt stem
length 104 mm)
(1) Apply engine oil to all bolts.
(2) 3—7 N·m {30.6—71.3 kgf·cm, 26.6—61.9 in·lbf}
(3) 23—27 N·m {2.4—2.7 kgf·m, 17—19.9 ft·lbt}
(4) 38—42 N·m {3.9—4.2 kgf·m, 28.1—30.9 ft·lbt}
(5) Loosen all the bolts. (no remaining torque.)
(6) 3—7 N·m {30.6—71.3 kgf·cm, 26.6—61.9 in·lbt}
(7) 18—22 N·m {1.9—2.2 kgf·m, 13.3—16.2 ft·lbt}
(8) 87.5°—92.5°
Piston Ring Assembly Note
1. Install the two oil control ring segments and spacer.
2. Verify that the second ring is installed with scraper face side downward.
3. Verify that the top ring is installed with scraper
face side inner of upper.
Piston Assembly Note
1. Position the end gap of each ring as indicated in
the figure.
9
8
7
5
4
3
1
2
10
6
B3E0110E105
LF
L3
C3U0110E056
30°
TOP RING
UPPER OIL
RING RAIL
LOWER OIL
RING RAIL
OIL RING SPACER
AND SECOND RING
30°
B3E0110E107
Seitenansicht 41
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