Testing And Adjusting Travel Deviation - Komatsu PC88MR-10 Shop Manual

Testing and adjusting travel deviation

Testing
(PC88MR-0000-347-K-00-A)
1. Start the engine, increase the hydraulic oil
temperature to the operating range, and set the
machine in the traveling posture.
a To set in the traveling posture, extend the
bucket cylinder and arm cylinder fully and
hold the boom angle at 45 deg.
2. Set the working mode in P-mode and the travel
speed in Lo.
3. Run the engine at high idle and measure travel
deviation (a) in travel of 20 m after running up 10
m.
a Install oil pressure gauge and check that
discharged pressures P
hydraulic pump are even.
PC88MR-10
and P of the
1 2
30 Testing and adjusting
(PC138-0000-360-K-00-A)
Hydraulic system
30-59