SEN00551-01 40 Troubleshooting Check sheet for no-pressure feed Model Machine serial No. Work No. # Date of check Engine Engine serial No. / # h Worker's name A. Visual check Good NG 1 Fuel leakage to outside 2 Clogging of fuel tank breather B. Check with machine monitor (Fault history function, monitoring function, and reduced cylinder mode function) 3 / Service meter Check of error/failure code / / / Good NG / Check of monitoring information Code *1 *2 4 Unit Standard value (Reference value) Low idle rpm High idle rpm Equivalent to rating rpm Displayed item Engine speed Throttle opening Checking condition Measured value Good NG Low idle % 0 High idle % 100 — — — — *3 Fuel injection command Equivalent to rating mm3 *4 Common rail pressure command Equivalent to rating MPa *5 Common rail fuel pressure Equivalent to rating MPa *6 Fuel injection timing command Low idle CA — — High idle CA — — — Equivalent to rating CA — — — *7 Boost pressure Equivalent to rating kPa — — — *8 Engine coolant temperature Low idle °C — — — *9 Fuel temperature Low idle °C — — — Unit Standard value (Reference value) Check of reduced cylinder mode operation (Engine speed) Function 5 *10 Reduced cylinder Measured value No. 1 cylinder Low idle rpm — — — Low idle rpm — — — No. 3 cylinder Low idle rpm — — — No. 4 cylinder Low idle rpm — — — No. 5 cylinder Low idle rpm — — — No. 6 cylinder Low idle rpm — — — Checking condition Unit Standard value (Reference value) High idle or equivalent to rated load (stall) MPa {kg/cm2} Min. 0.15 {Min. 1.5} Fuel low-pressure circuit pressure Measured value D. Check of strainers and filters 7 Good NG No. 2 cylinder C. Check of fuel circuit pressure 6 Checking condition Good NG Good NG Visual check of strainers 8 Visual check of gauze filter 9 Visual check of fuel filter 10 Visual check of bypass valve E.Check of leakage and return rate 11 Leakage through pressure limiter 12 Return rate from injector 10 Checking condition Unit Standard value (Reference value) Equivalent to rating cc/min Max. 10 Equivalent to rating 1,600 rpm cc/min 960 Equivalent to rating 1,700 rpm cc/min 1,020 Equivalent to rating 1,800 rpm cc/min 1,080 Equivalent to rating 1,900 rpm cc/min 1,140 Equivalent to rating 2,000 rpm cc/min 1,200 Measured value Good NG Speed: Return rate: 125E-5 Series