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18 ► GTR20 User Manual
Engine will not start. Flow selector switch not in the Make sure both ow selector switches
OFF position. are in the OFF position when starting.
Battery not connected. Attach battery cables, check wires.
Weak battery. Test battery, charge or replace.
No fuel. Add Fuel.
Fuel lter plugged. Replace fuel lter.
Defective spark plugs. Remove plugs, check gap, clean or
replace.
Fluid blowing out of uid
reservoir vent. Hydraulic tank overlled. Correct the uid level.
Pump suction leak. Check suction connections. Tighten if
necessary.
Hydraulic tool won't operate. Flow selector switch not switched Check that the ow selector switch
ON. is set to 5 or 10 gpm.
Incorrect hose connection to Make sure the tool hose circuit goes
tool. from left (pressure) tting to tool
and back to the right tting (return).
Fluid always ows from the male to
female ttings.
Quick disconnect ttings Detach from hose, connect set
defective. together and check for free ow.
Hydraulic uid level low. Check for correct uid level. Fill
using the recommended uid.
Pump coupling defective. With the engine not running.
Check the coupling between the pump
and engine that it is engaged and is
not damaged. Caution: Keep hands
clear of rotating objects.
Relief valve stuck open. Adjust or replace valve.
Suction hose kinked. Make sure suction hose from uid
reservoir to pump inlet has a smooth
curve.
Solenoid not working. Check solenoid operation and electrical
connections.
Tool is defective. Refer to tool manual.
PROBLEM CAUSE REMEDY
TROUBLESHOOTING