Lyman Mag 20 Assembly, Operation And Parts

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Mag 20 Furnace Assembly, Operation and Parts
WARNING: Melting lead and casting lead objects will
expose you and others in the area to lead, which is known to
cause birth defects, other reproductive harm and cancer.
REDUCING EXPOSURE:
skin is invisible.
Keep children and pregnant women away during use and until cleanup is complete.
Risk can be reduced — but not eliminated — with strong ventilation; washing hands imme-
diately after use of these products before eating or smoking; and careful cleaning of surfaces
and floors with disposable wipes, after lead dust has had a chance to settle. Use a lead spe-
cific cleaner with EDTA, or a high-phosphate detergent (like most detergents sold for electric
dishwashers) and bag used wipes for disposal.
Mag 20 Furnace

Assembly

The main body of your furnace is fully assembled and factory-tested. To facilitate packag-
ing, the valve rod and operating lever have not been factory-installed and you must do so,
prior to using the furnace as follows: Attach the operating lever spring to the operating lever.
Slide the valve rod on the operating lever as shown in Figure 19. Next, place the valve rod
and operating lever, into position as shown in Figure 20. Fasten the operating lever using the
furnished 5/8" 6/32" screw. Insert the lever adjusting screw and hex locknut as shown. Your
furnace is now ready for use.

Handling Lead

Lead, a substance known to cause birth defects, reproductive harm and other severe physi-
cal injury, must be handled with extreme care. Handle lead bullets or lead shot only in a well
ventilated area and ALWAYS wash hands after handling lead and before eating. Discharging
firearms in poorly ventilated areas, cleaning firearms, or handling ammunition, also may
result in exposure to lead. Have adequate ventilation at all times.
Figure 19.
Lead contamination in the air, in dust, and on your
Mag Dipper Furnace
Use Strong Ventilation
Figure 20.

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Summary of Contents for Lyman Mag 20

  • Page 1 Mag 20 Furnace Assembly, Operation and Parts WARNING: Melting lead and casting lead objects will expose you and others in the area to lead, which is known to cause birth defects, other reproductive harm and cancer. REDUCING EXPOSURE: Lead contamination in the air, in dust, and on your skin is invisible.
  • Page 2 When you have determined the casting temperature best for you, mark the control dial plate for future reference. The Lyman casting thermometer is particularly useful here. Melting Cold Bullet Metal After loading the furnace pot with up to 20 pounds of bullet metal, turn the thermostat control knob to the desired temperature setting.
  • Page 3 Lyman Mould Guide - Alignment and Use The proven and popular Lyman Mould Guide is an assembled part of your new electric furnace. Please read the following for details on how to adjust the mould guide for optimum performance for your applica- tion.
  • Page 4 Mag 20 (continued) there is about 1/4" between the pouring spout of the furnace and the top of the mould block. Tighten the elevation adjustment screws against the support posts so the mould guide will remain in this position. To align the sprue hole in the mould with the pouring spout on the furnace, you must loosen the carriage bolt in the adjustable mould guide slide.
  • Page 5 MAG 20 (upper) See Page 63 for parts Description Visit our complete Lyman website at www.lymanproducts.com...
  • Page 6 MAG 20 (lower) Visit our complete Lyman website at www.lymanproducts.com...
  • Page 7 MAG 20 PARTS LIST Lever Stud* 2999081 Rd. Hd. Screw #6-32 x 5/8** 2800029 Limit Screw** 2999092 Hex Bolt ⁄ -20 x 1” (4)* 2800079 Valve Guide Plate* 2999080 Inner Pot* 2800074 ⁄ -20 Hex Nut* 8094080 Self Tapping Screw (8)*...

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