Komatsu HM400-2 (SERIAL NUMBERS 2001 and up) (SEN00239-10) Shop Manual

Shop Manual
30 Testing and adjusting
Testing and adjusting, Part 1
Tools for testing, adjusting, and troubleshooting
Measuring engine speed
Testing intake air pressure (boost pressure)
Testing exhaust temperature
Testing exhaust gas color
Adjusting valve clearance
Testing compression pressure
blow-by pressure
Testing engine oil pressure
Testing EGR valve and bypass valve drive oil pressure
Handling of fuel system devices
Releasing residual pressure from fuel system
fuel pressure
fuel return and leakage amount
Bleeding air from fuel circuit
the fuel circuit for leakage
Testing and adjusting fan belt tension

Komatsu HM400-2  (SEN00239-10) Shop Manual

SEN00239-10

SERIAL NUMBERS 2001 and up