PC800, 850-8 11
30 Testing and adjusting SEN00912-02
Testing and adjusting travel
deviation
Measuring
a Measure on a hard and level ground.
a Hydraulic oil temperature: 45 – 55°C
1. Start the engine and set the work equipment in
the travel position.
a To set the work equipment in the travel posi-
tion, extend the bucket and arm cylinders ful-
ly and set the boom angle to 45°.
2. Set the working mode switch to the P-mode
position and set the travel speed switch to the
Lo position.
3. Run up for 10 m with the engine speed at high
idle and continue travel under the same condi-
tion for 20 m and measure the deviation (A).
a At this time, install an oil pressure gauge and
measure the pump discharge pressure, too,
(or monitor the pump discharge pressure
with the machine monitor).
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