Isuzu engine 4j series. Manual — part 71
6C - 28 ENGINE FUEL
INSTALLATION
14. Injection Pump Assembly
1. Timing gear case a camshaft timing gear side c
injection pump timing gear side check holde cover.
2. Turn the crankshaft clockwise to see the TDC mark of
the crank pulley to the pointer, and then bring the No.
1 cylinder to the TDC on the compression stroke.
3. Look in through the check hole on the crankshaft
timing gear side and check to see if the “O” mark on
the timing gear is in line with the pointer of the check
hole.
4. In the condition above with the injection pump gear
mark “O” set to the pointer of the check hole, install
the injection pump assembly.
•
Install the injection pump fixing bolts and tighten them
to the specified torque.
Pump Bolts Torque
N∙m (Kg∙m/lb∙ft)
15 (1.5/11)
13. 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)
12. Injection Pump Harness
•
Mount engine harness and connect it to switches.
11. CSD Water Hose
•
Connect the water hose and tighten clip securely.
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ENGINE FUEL 6C - 29
10. Fuel Hose
•
Connect the fuel feed hose and fuel return hose.
•
Connect the leak off hose.
9. 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.
8. Air Intake Duct
7. Noise Cover Spacer
6. Noise Shield Cover
5. AC Generator Drive Belt
•
Install AC generator drive belt and adjust belt tension.
•
Depress the drive belt mid-portion with a 98 N (10
kg/22 lb) force.
Drive Belt Deflection
mm (in)
8 (0.31) - 10 (0.39)
•
Install fixing bolt and tighten bolts to the specified
torque.
Generator Fixing Bolt
N∙m (Kg∙m/lb∙ft)
40 (4.1/30)
Adjust Plate Fixing Bolt
N∙m (Kg∙m/lb∙ft)
19 (1.9/14)
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6C - 30 ENGINE FUEL
4. A/C Compressor Drive Belt (A/C Model)
•
Install A/C compressor drive belt and adjust belt
tension.
•
Depress the drive belt mid-portion with a 98N (10
kg/22 lb) force.
Drive Belt Deflection
mm (in)
8 (0.31) - 10 (0.39)
•
Tighten the idler lock nut to the specified torque
N∙m (Kg∙m/lb∙ft)
27 (2.8/20)
3. Power Steering Pump Drive Belt (P/S Model)
•
Install P.S pump drive belt and adjust belt tension.
•
Depress the drive belt mid-portion with a 98 N (10 kg/
22 lb) force.
Drive Belt Deflection
mm (in)
8 (0.31) - 10 (0.39)
•
Tighten the idler lock nut to the specified torque.
N∙m (Kg∙m/lb∙ft)
27 (2.8/20)
2. Fan Shroud
•
Install the fan shroud and reservoir tank hose.
1. Cooling Fan Assembly
•
Mount fan pulley, distance piece, and cooling fan
assembly (in this order) on the water pump, and
tighten to the specified torque.
N∙m (Kg∙m/lb∙in)
8 (0.8/69)
•
Connect battery ground cable.
•
Pour coolant.
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ENGINE FUEL 6C - 31
INJECTION PUMP ASSEMBLY (4JG2 Belt Drive Type)
REMOVAL
Preparation:
•
Disconnect battery ground cable.
•
Drain coolant
1. Cooling Fan Assembly
•
Remove clamp nut, and remove cooling fan assembly,
distant pipe, and fan pulley.
2. Fan Shroud
•
Removal reservoir tank hose and fan shroud.
3. Power Steering Pump Drive Belt (P/S Model)
•
Loosen power steering pump idle pulley lock nut and
adjust bolt, and remove the drive belt.
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Removal steps
1. Cooling fan Assembly
2. Fan shroud
3. Power steering pump drive belt
4. A/C compressor drive belt
5. AC generator drive belt
6. Power steering pump & bracket
Assembly
7. Crankshaft damper pulley
8. Timing pulley upper cover
9. Timing pulley lower cover
10. Flange; Camshaft pulley
11. Timing belt
12. Injection pump timing pulley
13. Air intake duct
14. Injection pump control cable
15. Fuel hose
16. CSD water hose
17. Injection pump hearness
18. Injection pipe
19. Injection pump Assembly
Installation steps
To install, follow the removal
steps in the reverse order.
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