Template Name: OML_2_col Template Date: 1994_04_22
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519 Telehandler
HYDRAULICS
EXTENSION CYLINDER COUNTERBALANCE VALVE QUICK TEST
STEP 38
STEP 36
G1107011
Retract the boom to the end of the extension cylinder stroke and hold the joystick in the RETRACT position. The pressure gauge should read 3350 psi (230 bar). G1107003
Install a 5000 psi (350 bar) pressure gauge and hose on the battery tray test port.
If the pressure is less than 3350 psi (230 bar), go to Step 29 of the EXTENSION CYLINDER QUICK TEST.
STEP 37
If the pressure is 3350 psi (230 bar), proceed to the next step.
Start the engine and run at high idle. Extend the boom approximately 6 feet (2 meters). Watch the pressure gauge as the boom is slowly retracted, the gauge should read less than 3350 psi (230 bar).
If the pressure is more than 3350 psi (230 bar), go to the Main Control Valve Pressure Relief Test and Adjustment section of this manual before proceeding to the next step.
If the pressure is less than 3350 psi (230 bar), proceed to the next step. If the pressure is more than 3350 psi (230 bar), replace the extend cylinder counterbalance valve.
913302
601-24
PRINTED IN U.S.A.
