Isuzu A-4BG1T - Page 102

5-10 ENGINE ASSEMBLY III
No oil groove and hole
Oil groove side
Arrow mark
(Position
No. punched)
a
Front
V
!
Important Operations
1. Oil Jet
Install the oil jets taking care not to damage the oil
jet nozzles.
Oil Jet Torque
kgam (lbft)
T
1.6-2.6 (11.618.8)
.
/.
i
2. Crankshaft Bearing (Upper Half)
-.
5. Crankshaft Bearing (Lower Half) and Crankshaft
q
*
Bearing Cap
The Crankshaft Bearing Configuration
With Oil Groove Without Oil Groove
.
Bearing
4B All Upper Halves
UPPer Half 6B All Upper Halves
-
All Lower Halves
Bearing
48 Except Center
Center Bearing
I
Lower Half L
Bearing
Only
6B 1
-
1 All Lower Halves
Take care not to misinstall the bearing halves.
4 . Thrust Bearing
Install the thrust bearings with the oil groove side
facing the crankshaft sliding face.
5. Camshaft Bearing Cap
1) Lubricate the bearing cap bolts with engine oil.
2) Install the bearing caps to the crankshaft.
The arrow mark must be pointing to the front of
the engine.
Tighten the bearing cap bolts to the specified
torque a little at a time in the numerical order
shown in the illustration.