FUEL SYSTEM
8-8
2.2 Fuel injection pump
2.2.1
Inspecting fuel injection pump on engine
Do not disassemble the fuel injection pump unless it is absolutely necessary.
If faulty, it is desirable to replace it as an assembly.
2.2.2
Disassembling and inspecting fuel injection pump
Disassembling and inspecting fuel injection pump
Disassembing sequence
Inspection item
Inspection procedure
Judgment
Low idling
Judgment by rotation speed
(Varies depending on specification)
Exhaust color
Observe exhaust color during sudden acceleration under
no load.
Observe exhaust color under load.
No remarkable black smooke is
emitted.
Nozzle injection condition
Remove the nozzle and reassemble them so that spray holes
face outward. Rotate the starter to carefully observe the spray
pattern.
The spray pattem must be good.
1 Tappet guide pin
7 Plunger spring
13 Delivery valve spring
2 Lock plate
8 Spring upper seat
14 Delivery valve gasket
3 Tappet
9 Control sleeve
15 Delivery valve
4 Tappet adjusting shim
10 Control rack
16 Plunger barrel
5 Spring lower seat
11 Delivery valve holder
17 Pump housing
6 Plunger
12 O-ring
11
12
13
14
15
16
6
17
1
2
10
9
8
7
5
4
3
Replace
Replace
Replace
Summary of Contents for S3L
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Page 37: ...3 1 SERVICE TOOLS 1 Basic tools 3 2 2 Special tools 3 3 ...
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Page 167: ...ELECTRICAL SYSTEM 12 35 3 5 Installing alternator Installing alternator ...
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