Sketches of special tools ................................................................................................................................ 9

Measuring engine speed............................................................................................................................... 10

Measuring exhaust gas color ........................................................................................................................ 12

Adjusting valve clearance ............................................................................................................................. 14

Measuring compression pressure................................................................................................................. 16

Measuring blow-by pressure......................................................................................................................... 19

Measuring engine oil pressure...................................................................................................................... 20

Measuring intake air (boost) pressure .......................................................................................................... 21

Handling fuel system equipment................................................................................................................... 23

Releasing residual pressure in fuel system .................................................................................................. 23

Measuring fuel pressure ............................................................................................................................... 24

Measuring fuel return rate and leakage ........................................................................................................ 26

Bleeding air from fuel circuit.......................................................................................................................... 30

Testing leakage in fuel system ...................................................................................................................... 31

Handling reduced cylinder mode operation .................................................................................................. 32

Handling no-injection cranking operation...................................................................................................... 32

Handling controller voltage circuit ................................................................................................................. 33

Check of muffler and muffler stack for looseness and damage .................................................................... 33

Check of muffler function .............................................................................................................................. 34

Check of installed condition of cylinder head and manifolds ........................................................................ 34

Check of engine piping for damage and looseness ...................................................................................... 35

Testing and adjusting air conditioner compressor belt tension ..................................................................... 35

WA250, 250PZ-6

Serial number

75001 and up

SEN03836-01

30-110

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