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I
NSTRUCTION
M
ANUAL
MEGA-M250b
Abrasive Cutter
3601 E. 34th St. Tucson, AZ 85713 USA Tel. +1 520-882-6598 Fax +1 520-882-6599 email: [email protected] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
15
Turn to Lock position
to operate saw
6.0 Trouble Shooting
Problem
Cause
Solution
No power or
function
a. Unit is disconnected from main
electrical power supply.
b. Main power switch is off.
c. Emergency stop button engaged.
a. Verify electrical source and
connection.
b. Turn on main power switch.
c. Release by turning clockwise.
Main motor does
not operate
a. Interlocking safety switch is in
Unlock position (for shipping)
b. Hood not closed.
c. Overload relays activated
a. Turn safety switch to Lock position to operate
cutter.
b. Close hood
c. Restart after resetting Q1 relay.
Pump motor does
not operate
a. Plug is disconnected
b. Overload relay activated
a. Check plug.
b. Restart after resetting Q2 relay.
Excessive
vibration during
cutting
a. Not cutting with enough force
b. Specimen locked too far back on
cutting table
c. Incorrect blade selection
a. Increase cutting force.
b. Move specimen forward.
c. Use correct blade.
Corrosion of table
of vises
a. Improper cleaning and drying
b. Incorrect or old cutting fluid.
c. Cutting chamber has become a
humidity / corrosion chamber
d. Long term storage oxidation
a. Rinse and dry table and vises.
b. Use an anti-corrosion cutting fluid such as the
MAXCUT 2 or an oil-emulsion cutting fluid
such as the MAXCUT OL-1000. It is
recommended that the cutting fluid be
changed every 50 cuts or weekly for
maximum effectiveness.
c. Open hood when not being used
d. If cutter will not be used for an extended
period of time, coat the table and vises with a
water displacement oil such as WD-40.
If motor or pump
does not turn on
check Q1
-
motor
and Q2– pump
relays
Shipped in the
Unlock position
More extensive trouble shooting, repair guides, video’s, parts list are provided
online at www.metallographic.com or
http://www.metallographic.com/PACE
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service/MEGA
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M250
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service.html
