Isuzu engine 4j series. Manual — part 72
6C - 32 ENGINE FUEL
4. A/C Compressor Drive Belt (A/C Model)
•
Loosen A/C compressor idler pulley lock nut, adjust
bolt, and remove the drive belt.
5. AC Generator Drive Belt
•
Loosen AC generator mounting bolt (under side) and
adjust plate lock bolt, and remove the drive belt.
6. Power Steering Pump & Bracket Assembly (P/S Model)
•
Loosen power steering oil pipe bracket and clip.
•
Remove P/S pump bracket assembly and hang the
P/S pump bracket assembly.
7. Crankshaft Dumper Pulley
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ENGINE FUEL 6C - 33
8. Timing Pulley Upper Cover
9. Timing Pulley Lower Cover
10. Flange; Camshaft Pulley
11. Timing Belt
•
Prepare a fixing bolt (M8 x 40, P=1.25)
•
Turn crankshaft timing pulley in the normal direct
pulley side mark to timing pulley housing side mark.
•
Make sure that the camshaft pulley and injection
timing pulley fixing bolt holes are set to each other.
Then Fit in a fixing bolt and lightly tighten.
•
No. 1 cylinder should be at top dead center.
If the fixing bolt holes are not set (No. 4 cylinder is at
top dead center) give another turn.
•
Remove tensioner and timing belt.
WARNING
•
If crankshaft and camshaft and turned with timing
belt being not mounted, piston and valve will
interfere with each other. Therefore, the shafts
must not be turned.
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6C - 34 ENGINE FUEL
12. Injection Pump Timing Pulley
•
Install the stopper bolt
!
to the timing pulley to
prevent it from turning.
•
Use the timing pulley puller
"
to remove the injection
pump timing pulley.
Timing Pulley Puller: 5-8840-0086-0
•
Remove the stopper bolt.
13. Air Intake Duct
14. Injection Pump Control Cable
•
Remove the control cable bracket bolt and remove the
control lever side.
15. Fuel Hose
•
Disconnect the fuel feed hose and fuel return hose.
16. CSD Water Hose
17. Injection Pump Harness
18. Injection Pipe
19. Injection Pump Assembly
•
Remove the pump bracket bolt engine side.
•
Remove the adjust lock bolt.
•
Remove the injection pump fixing bolt and take out
injection pump.
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ENGINE FUEL 6C - 35
INSTALLATION
19. Injection Pump Assembly
•
Put the timing pulley housing side and injection pump
side setting marks together, and temporarily tighten.
•
After adjusting injection timing retighten.
•
Mount rear bracket on cylinder block and tighten to the
specified torque.
N∙m (Kg∙m/lb∙ft)
19 (1.9/14)
•
Install adjust lock bolt and lightly tighten.
•
After adjusting injection timing, retighten.
18. Injection Pipe
•
Connect the pump side and nozzle side of the pipe,
and tighten securely.
•
Install clip where it was.
Sleeve Nut Torque
N∙m (Kg∙m/lb∙ft)
29 (3.0/22)
17. Injection Pump Harness
•
Mount engine harness and connect it to switches.
16. CSD Water Hose
•
Connect the water hose and tighten clip securely.
15. Fuel Hose
•
Connect the fuel feed hose and fuel return hose.
•
Connect the rear off hose.
14. Injection Pump Control Cable
1) Install the Control wire to the engine control lever.
2) Hold the accelerator lever
!
in the fully closed
position and stretch the control cable
"
in the
direction indicated by the arrow to remove any slack.
3) Tighten the accelerator cable bracket bolt.
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