Isuzu A-4BG1 Workshop Manual page 107

ENGINE ASSEMBLY 111
5-15
-I
Crankshaft gear
V 7
l
Important Operations
1.
Flywheel
' cl
93
' I) Lubricate the flywheel bolt threads.
2) Install the flywheel.
The crankshaft rear end dowel pin and the fly-
wheel dowel hole must be aligned.
3) Tighten the flywheel bolts to the specified
torque in the numerical order shown in the illus-
tration.
kgom (Ib.ft)
/
Flywheel
Bolt Torque
4B engine 14.5-17.5 (105-127)
6B engine
20.1-24.5 (145-177)
2. Injection Pump and Injection Pump Gear Assembly
cl
1) Install the injection pump bracket with the injec-
+c tion pump to the timing gear case.
Dowel the injection pump bracket with the tim-
ing gear case.
.
2) Tighten the injection pump bolts to the specified
torque.
kgmm (lb.ft)
injection Pump Bolt Torque
2.1 - 3.1 (15.2 - 22.4)
3) Align the injection pump gear "C" timing mark
with the idler gear "C" timing mark.
Air Compressor Installation (If so equipped)
1. Align the air compressor crankshaft spline end
marks and the injection pump drive gear shaft
female spline marks.