TROUBLESHOOTING
INDIVIDUAL OUTRIGGER INOPERATIVE
CAUSE REMEDY
Electrical malfunction ...........................................................................See section on “Electrical Controls”.
Cylinder leaking internally....................................................................See section on “Cylinders”.
Hold valve on jack cylinder not operating ............................................Repair or replace.
Line plugged or collapsed between
outrigger valve and cylinder..................................................................Replace hose.
Beam wedged in extended position.......................................................Extend jack far enough to pick up end of beam and
retract. Replace slider pad block on top of outrigger
box to pick up end of beams.
OUTRIGGERS WILL NOT LIFT MACHINE
CAUSE REMEDY
Outrigger relief valve malfunctioning...................................................See section on “Relief Valves”.
Outrigger diverter valve malfunctioning...............................................Repair or replace.
Outrigger pump worn or damaged ........................................................See section on “Pumps”.
Cylinder by-passing...............................................................................See section on “Cylinders”.
JACK CYLINDER DRIFTS DOWN
CAUSE REMEDY
Hold valve on top of cylinder malfunctioning ......................................Replace cartridge.
Thermal relief cartridge mounted in wrong end....................................Check for proper assembly.
Cylinder by-passing...............................................................................See section on “Cylinders”.
RT700 Series Page 5 - 20 Issued: August 2003