Oil level low Fill oil to correct level
Hydraulics not
responding
Oil pump suction filter
blocked
Oil leak in pressure line
Drive line broken Check pump is rotating
Joystick control
sluggish
Air in pilot lines from
joystick
Slacken off each line of pilot circuit individually at
spool valve whilst operating. When all air is
expelled retighten the line
Spool contacting with
Check spool is free moving
Broken spring in spool
valve
Faulty wiring Check wiring and switches
Electrically operated
valve not responding
Insufficient voltage Attend to bad connection
Electrical switches not
Faulty supply from tractor Check supply from your tractor fuse and
Store your machine under cover
Excel 606, 686, 726 & 836