Test 007: Testing Engine Speed Settings - jcb JS300 Service Manual

When the engine is operating normally the engine speed
will be with in the values given for different machine
operating modes.
1 Warm Engine water temperature above 50 °C (122
°F).
2 Use the power band mapping graphs and compare
the engine rpm to the values on the graph. Operate
the throttle knob and check the no load engine rpm in
each power band.
3 Close the dipper fully and hold the control lever in the
dipper close position. The engine rpm should be the
same as the no load rpm.
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Test 007: Testing Engine Speed Settings

Hydraulic System Fault Finding
Test 007: Testing Engine Speed Settings
9813/5100-1
Section E - Hydraulics
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