8-1
FUEL SYSTEM
1. Removing fuel system.....................8-2
1.1 Removing fuel filter and fuel pipe............. 8-2
1.2 Removing fuel injection pipe,
fuel leak-off pipe and fuel injection nozzle8-3
1.2.1 Removing fuel injection pipe,
fuel leak-off pipe and fuel injection nozzle
(in-line type fuel injection pump) ................8-3
1.2.2 Removing fuel injection pipe,
fuel leak-off pipe and fuel injection nozzle
(distributor-type fuel injection pump)..........8-4
1.3 Removing fuel injection pump.................. 8-5
2. Disassembling, inspecting and
reassembling fuel system................8-6
2.1 Disassembling and inspecting fuel filter
(in-line type fuel injection pump).............. 8-6
2.2 Disassembling and inspecting fuel filter... 8-7
2.3 Changing fuel filter................................... 8-8
2.4 Disassembling and inspecting fuel injection
nozzle (swirl chamber type) ..................... 8-9
2.5 Disassembling and inspecting fuel injection
nozzle (direct injection type) .................. 8-10
2.6 Inspecting and adjusting fuel injection valve
opening pressure ................................... 8-11
2.7 Inspecting fuel spray pattern of
fuel injection nozzle................................ 8-11
2.8 Cleaning and inspecting nozzle tip ........ 8-12
2.9 Reassembling fuel injection nozzle
(swirl chamber type)............................... 8-13
2.10 Reassembling fuel injection nozzle
(direct injection type).............................. 8-14
2.11 Inspecting and cleaning gauze filter of
distribute type fuel injection pump
(Bosch)................................................... 8-15
3. Installing fuel system .................... 8-16
3.1 Installing fuel injection pump.................. 8-16
3.2 Checking fuel injection timing
(in-line fuel injection pump type) ............ 8-17
3.2.1 Determining top dead center of No.1 cylinder
compression stroke ................................. 8-17
3.2.2 Checking fuel injection timing.................. 8-17
3.3 Inspecting fuel injection timing
(distributor-type fuel injection pump)......8-18
3.3.1 Inspecting fuel injection timing................. 8-18
3.4 Installing fuel injection pipe,
fuel leak-off pipe and fuel injection nozzle8-21
3.4.1 Installing fuel injection pipe, fuel leak-off pipe
and fuel injection nozzle
(in-line type fuel injection pump).............. 8-21
3.4.2 Installing fuel injection pipe, fuel leak-off pipe
and fuel injection nozzle
(distributor-type fuel injection pump) ....... 8-22
3.5 Installing fuel filter and fuel pipe............. 8-23
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