Komatsu 114E-3 Series Shop Manual page 259

ENGINE
114E-3 Series
40 Troubleshooting
Troubleshooting of mechanical system
(S-mode)
Troubleshooting of mechanical system (S-mode)........................................................................................... 3
Method of using troubleshooting charts ............................................................................................... 3
S-1 Starting performance is poor ......................................................................................................... 6
S-2 Engine does not start..................................................................................................................... 7
S-3 Engine does not pick up smoothly............................................................................................... 10
S-4 Engine stops during operations ....................................................................................................11
S-5 Engine does not rotate smoothly ................................................................................................. 12
S-6 Engine lacks output (or lacks power)........................................................................................... 13
S-7 Exhaust smoke is black (incomplete combustion) ....................................................................... 14
S-8 Oil consumption is excessive (or exhaust smoke is blue) ........................................................... 15
S-9 Oil becomes contaminated quickly .............................................................................................. 16
S-10 Fuel consumption is excessive.................................................................................................. 17
S-11 Oil is in coolant (or coolant spurts back or coolant level goes down) ........................................ 18
S-12 Oil pressure drops ..................................................................................................................... 19
114E-3 Series
1SHOP MANUAL
SEN00458-01
1
1