Isuzu N-Series. Service manual — part 618
6C-42 ENGINE FUEL
INJECTION PUMP ASSEMBLY (4JG2 Belt Drive Type)
Component
Legend
1. Cooling fan assembly
11. Timing belt
2. Fan shroud
12. Injection pump timing pulley
3. Power steering pump drive belt
13. Air intake duct
4. A/C compressor drive belt
14. Injection pump control cable
5. AC generator drive belt
15. Fuel hose
6. Power steering pump & bracket assembly
16. CSD water hose
7. Crankshaft damper pulley
17. Injection pump harness
8. Timing pulley upper cover
18. Injection pipe
9. Timing pulley lower cover
19. Injection pump assembly
10. Flange; Camshaft pulley
N6A3767E
ENGINE FUEL 6C-43
Removal
Preparation:
• Disconnect battery ground cable.
• Drain coolant.
1. Cooling Fan Assembly
• Remove clamp nut, and remove cooling fan as-
sembly, distant pipe, and fan pulley.
2. Fan Shroud
• Remove 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.
4. A/C Compressor Drive Belt (A/C Model)
• Loosen A/C compressor idler pulley lock nut (1),
adjust bolt (2), and remove the drive belt.
5. AC Generator Drive Belt
• Loosen AC generator mounting bolt (under side)
and adjust plate lock bolt (1), and remove the drive
belt.
6. Power Steering Pump & Bracket Assembly (P/S
Model)
• Loosen power steering oil pipe bracket (1) and clip
(2).
• Remove P/S pump bracket assembly and hang the
P/S pump bracket assembly.
7. Crankshaft Dumper Pulley
N6A3223E
N6A3698E
Legend
1. Bracket
2. Clip
3. Lock nut
4. P/S pump bracket
N6A3699E
N6A3771E
6C-44 ENGINE FUEL
8. Timing Pulley Upper Cover (1)
9. Timing Pulley Lower Cover (2)
10. Flange; Camshaft Pulley
11. Timing Belt
• Prepare a fixing bolt (M8
× 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:
WARNING:
• IF CRANKSHAFT AND CAMSHAFT ARE
TURNED WITH TIMING BELT BEING NOT
MOUNTED, PISTON AND VALVE WILL INTER-
FERE WITH EACH OTHER. THEREFORE, THE
SHAFTS MUST NOT BE TURNED.
N6A3159E
N6A3773E
N6A3774E
N6A3775E
ENGINE FUEL 6C-45
12. Injection Pump Timing Pulley
• Install the stopper bolt (1) to the timing pulley to
prevent it from turning.
• Use the timing pulley puller (2) to remove the injec-
tion 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.
N6A3704E
N6A3777E
N6A3778E
N6A3779E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст