KMW 1220 - OPTIONAL LOADER VALVE TROUBLESHOOTING; Cable Controlled Valve Issues

65
PROBLEM
POSSIBLE CAUSE
CORRECTION
Loader is slow and/or will not
dump.
Hydraulic oil too heavy.
Change to proper oil.
Oil filter plugged.
Clean or replace filter.
Hydraulic pump worn.
Repair or replace pump.
Oil line restricted or leaking.
Check all hoses and tubes for leaks,
damage, or restrictions. Replace
damaged or restricted hoses or tube
lines.
Loader valve does not shift properly.
Inspect clean, repair, or replace
valve.
Cylinder leaks internally.
Replace seals.
Faulty valve.
Repair or replace valve.
Loader chatters or vibrates when
raising or lowering.
Air in hydraulic system.
Cycle lift cylinders and tilt cylinders.
Oil level too low.
Add oil as required.
Slow leakdown.
Worn loader valve.
Have authorized KMW dealer
replace valve.
Worn cylinder piston seals.
Have authorized KMW dealer
replace seals.
Attachment will dump but will not
rollback
Hydraulic circuit connected
incorrectly.
Check that loader valve is
connected to tilt cylinder correctly if
valve is equipped with regen
funtion.
22.2. TROUBLE SHOOTING OPTIONAL LOADER VALVE
If your loader/tractor combination is equipped with an optional KMW Cable Controlled Loader valve and unit
reacts in the following manner.
PROBLEM
POSSIBLE CAUSE
CORRECTION
Nothing happens when handle
switch is activated
Tractor switch is not on.
Turn tractor switch on.
Power circuit is not connected.
Connect to tractor power supply that
is only activated when tractor switch
is on.
Switch does not have 12 volts.
Trace circuit and find cause.
Solenoid valve does not have 12
volts when switch is activated.
If not, check switch by jumping
terminal wires on switch in handle. If
12 volts are at solenoid valve,
replace switch
If you have 12 volts at solenoid
valve but valve does not function
Spool is sticking.
Push in on each side of valve spool
to free up spool as shown in
installation instructions included
with your valve kit.
Contamination in hydraulic oil
causes spool to stick. Replace oil
and filter.
Solenoid valve section is damaged.
Replace solenoid valve section.