Isuzu A-4BG1 Workshop Manual page 118

I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I )
5-26
ElUGiNE ASSEMBLY III
ENGINE TUNING OPERATlON
After reassembly, the engine
must be tuned.
This will
ensure that the engine operates at its maximum effi-
ciency.
q
1. Mount the engine on a test bench.
q
2. Fill the engine with the specified oil.
q
*c
3. Connect the cooling pipes and the
fuel
pipes.
Reference
Starter switch
PREHEAT (-$ i 0
1
OFF
0
ON
I
I
I I I
.
nm a
C
R, R, Ace
Control resistor
2
' 0.85mmL
A
7
5
L
Fuse box
3
----L-I)-------
7
0.85 ;
I
Relay
n3
-___-..-- - :*-L
VII pressure swncn
L--C+9 #J k!' I ,!,I I
y
.
El
x
Starter
8-v
: 1 -
Generator
4. Connect the electrical
wiring.
Refer to the wiring diagram.
5. Connect the
air
intake line to the air cleaner.
6. Connect the exhaust pipe.
7. Manually operate the fuel feed pump to feed
fuel to the engine.
0 8. Bleed the fuel lines of air.
Refer to Page 2-6 of Section 2 MAINTENANCE
:
for the air bleeding procedure.