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TROUBLESHOOTING
NOTE: It is beyond the scope of this troubleshooting guide to cover every possible problem or cause of
a problem. The best trouble-shooting guides are a thorough knowledge of the machine's systems and the
technical drawings supplied with the machine.
Saw will not start
Saw stops when "Start"
button is released
No coolant flow
Saw column will not tilt
© MARVEL MFG. CO., INC. MANUAL 8SDN10871N (04/08)
− Power is off
− Main electrical disconnect switch is off
− Compressed Air is Off or valve closed
− Air pressure available is low
− Feed force setting is too low
− Main fuses are open
− Motor overload relay is open
− No blade is installed
− Blade is not properly Tensioned
− Belt is loose or broken
− Band wheel door(s) are open
− Band wheel door interlock switch(es) are open
− The detented "Stop" pushbutton is engaged
− Starter holding contacts dirty or worn
− No blade is installed
− Blade is not properly tensioned
− Band wheel door(s) are open
− Band wheel door interlock switch(es) are open
− "Blade Mode" selector switch is in the "Change" or "Track"
position
− Coolant switch is turned off
− Low coolant level
− Coolant intake screen is dirty/plugged
− Coolant valves are closed
− Coolant pump impeller is worn
− Plugged coolant line
− "Coolant system" selector switch is in the "Mist" position
NOTE: if "Coolant" selector switch is in "Auto" on saws supplied
with this option, coolant will flow only when saw is operating
− Tilt lock handle not loosened
− For Saws Supplied with the "Power Tilt" option:
− Tilt Chain may be loose or broken
− Cylinder operate lock cylinder may be stuck
− Cylinder operate lock solenoid valve may be burned out or stuck
− Tilt mechanism components are worn.
− Tilt drive is "faulted". Reset drive.
MARVEL 8 MARK III
H-1
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- Parts
- Electrical and Pneumatic Components
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Questions and answers
Self feeder is not working on marvel power hacksaw
The self feeder on the AHB Marvel 8 Mark III Series power hacksaw may not be working due to one or more of the following reasons:
- "Column Retract" pushbutton is stuck or needs replacing
- Carriage linear bearings are dirty
- Cork inserts in the feed clutch are dirty or worn
- Feed chain is too tight or too loose
- Blade feed gearbox oil is dirty or gears/bushings are worn
- Air supply is turned off
- Air pressure is too low
- Feed Force setting is incorrect
This answer is automatically generated