Isuzu A-4JA1 Workshop Manual page 98

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5. Crankshaft Thrust Bearing
1) Apply an ample coat of engine oil to the crank-
shaft thrust bearings.
2) Install the crankshaft thrust bearings to the
crankshaft center journal.
The crankshaft thrust bearing oil groove must
be facing the sliding face.
6. Crankshaft Bearing Cap with Lower Bearing
1) Apply silicon adhesive to the cylinder body No.
5 bearing cap fitting surface at the points shown
in the illustration.
Note:
Be sure that the bearing cap fitting surface is completely
free of oil before applying the silicon adhesive.
Do not allow the silicon adhesive to obstruct the cylinder
thread holes and bearings.
2) Install the bearing caps.
The bearing cap arrow marks must be facing the
front of the engine.
The arrow mark journal number must corre-
spond to the journal to which the bearing cap is
installed.
Note:
The No. 4 journal bearing cap does not have a number
stamped on it.
3) Apply a coat of engine oil to the bearing cap
bolts.
4) Tighten the crankshaft bearing cap bolts to the
specified torque a little at a time in the sequence
shown in the illustration.
Crankshaft Bearing Cap Torque
16.0 – 18.0 (115.7 – 130.2/156.9 – 176.5)
5) Check to see that the crankshaft turns smoothly
by rotating it manually.
7. Timing Gear Case
1) Tighten the timing gear case with timing gear
case gasket to the specified torque.
Timing Gear Case Bolt Torque
1.4 – 2.4 (10.1 – 17.3/13.7 – 23.5)
2) Cut away any excessive flash from the timing
gear gasket.
ENGINE ASSEMBLY ( 3 )
kgf·m(lb.ft/N·m)
kgf·m(lb.ft/N·m)
95