Tohatsu MFS 30 — инструкция по проверке зазора между подшипниками коленчатого вала [167/319]

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25/30 2006

34) Inspection of Crank Shaft Main

Journal Oil Clearance

1. Clean bearings, crankshaft main journal, and bearing

installation areas of crank case and cylinder block.

2. Place cylinder block on the work bench with cylinder head

side facing downward.

3. Install bearing 1 and crankshaft 2 to cylinder block 3.

4. Place plasti-gauge 4 on each crankshaft main journal

parallel to crankshaft.

5. Install bearings to crank case.

6. Install crank case to cylinder block.

7. Tighten crank case bolts in two steps to specified torque in

the order shown.

Crank Case Bolts (M8) : ~

First Tightening Torque : 10 N·m ( 7 lb·ft ) [ 1.0 kgf·m ]

Final Tightening Torque : 23.5 N·m ( 17 lb·ft ) [ 2.4 kgf·m ]

Crank Case Bolts (M6) : ~

First Tightening Torque : 6 N·m ( 4 lb·ft ) [ 0.6 kgf·m ]

Final Tightening Torque : 11.5 N·m ( 8.5 lb·ft ) [ 1.2 kgf·m ]

• Be sure that individual bearings are installed to

their original locations.

• Install bearings with their projection fit into

crank case groove.

Do not place plasti-gauge on the oil hole of

crankshaft main journal.

• Be sure that individual bearings are installed to

their original locations.

• Install bearings with their projection a fit into

cylinder block groove.

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