Hyd-Mech V18 - Hydraulic Oil Change and Temperature Monitoring; Troubleshooting Guide; General Troubleshooting Notes

3.7
TROUBLE SHOOTING GUIDE
Most problems which may occur have one of the relatively simple solutions which appear in this section. If the solution is
not found here, contact the Hyd-Mech Distributor from whom you purchased your bandsaw. They have trained eld ser-
vice personnel who will be able to rectify the problem.
NOTES: 1) IF THE BLADE IS RUNNING CLOCKWISE OR THE HYDRAULIC PUMP IS NOISY
SHUT THE SAW DOWN IMMEDIATELY!
2) IF THE DRIVE MOTOR IS TO BE REPLACED, IT MUST BE REPLACED WITH A
NON-VENTED MOTOR TO PREVENT COOLANT LEAKING INTO THE MOTOR.
3) THE HEAD SHOULD BE SWUNG TO 45
O
LEFT OR RIGHT BEFORE ANY HYDRAULIC
SERVICE IS PERFORMED TO PREVENT THE HEAD FROM MOVING UNEXPECTEDLY.
ELECTRICAL TROUBLESHOOTING
SOLUTION
1a) Depress Blade Motor Overload Reset
Button.
1b) Replace Fuse with 8 AMP 250 V AG
type. Repeated Fuse Blow-outs indicates
an internal wiring fault.
1c) Remount the blade.
1d) Check functionality of safety interlock
switches.
2a) Stop Immediately. Reverse any two of
three phase connections.
2b) Stop Immediately and add hydraulic oil
until the correct level is present.
2c) Stop Immediately and check for the
adjustment required.
3a - 3b) The solution to this problem is
handled best by a qualied electrical tech-
nician.
4) Replace the component that is inopera-
tive. Test voltage levels at switch.
5a) Interrupt main supply to machine for
two to three minutes.
5b) Check blade motor line fuses.
CAUSE
1a)Motor overload has tripped.
1b)Control circuit has blown.
1c)Check blade breakage limit switch.
1d) Check that doors and guard are
closed.
2a)Check system pressure gauge. Wrong
phase order if no pressure.
2b)If pump runs noisily then check the
hydraulic oil level at gauge.
2c)Check the pump/motor coupling for
separation.
3a)Check pilots on valves. If pilot fails to
light, then check electrical system.
3b) If pilot lights but output fails the coil
may be bad. Check dirt in valve spool.
4) The switch or push button contact
assembly is defective.
5a) Check for red fault light at VFD.
5b) Red fault light on VFD is not on.
PROBLEMS
1) Saw will not start at all.
2) Saw will start, but no hydraulic
functions respond.
3) Functions will not
respond to manual controls.
4) An operator control will not
respond.
5) Hydraulics run but blade will
not start.