SkyTrak 8042 Service Manual - Manual (Page 452)

8.37 Model 8042, 10042, 10054 Legacy Rev. 10/03
Hydraulic System
Not
OK
Not
OK
If the pump is noisy or if all
hydraulic functions are
slow, check the suction line
from the reservoir.
Repair/replace suction line.
If the cooler is not cooling
the oil, check that the
radiator and cooler are not
clogged or obstructed.
If OK
Refer to Section 9.14.3,
“Hydraulic Oil Temperature
Switch.”
Clean radiator and cooler.
Not
OK
Repair/replace pump.
Check the oil flow
to the pump.
If OK
NOTE:
When checking pressures in
circuits, refer to Section 8.7,
“Hydraulic System Testing,” for
correct pressure readings.
Before troubleshooting any hydraulic circuit, ALWAYS begin by checking the following:
1. Hydraulic oil level in the reservoir
2. All hoses, tubes, fittings for leaks, kinks, interference, etc.
3. Air in the lines