Lee PRO 4-20 Melter capacity 9000 gram

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Lee PRO 4-20 Melter capacity 9000 gram
[90948]

179.00 Euro

Product may vary slightly from image representation

Description

Large diameter pot wich holds approximately 9000 gram.
Melting time is +/- 20 minutes.

The spout is on the front of the melting pot for easy access.
There is nearly 10 centimeter of clearance under the spout.

With adjustable heat control.
Uses 700 watts of power during heat-up and a lot less to maintain temperature.

Large stabel base for safety.

This 230 volt version of this Lee 4-20 Melter is designed for use outside of the USA and is therefor supplied without a plug.
The user must install the appropriate plug that works in conjunction with the existing outlet.

Attention

Melting lead and casting lead objects will expose you and others in the erea to lead.
Always take care and provide for sufficient ventilation of your workspace.

Caution

● Be extremely careful not to get any water into the molten lead. Even a small drop will explode into steam and violently spatter hot lead.
● Wear safety glasses while using.
● Use only in areas of adequate ventilation. Air flow sufficient to carry away the smoke of an extinguished match is considered adequate.
● Keep food and drink out of the work area. Wash hands before eating or smoking.
● If the pot is allowed to cool full of metal, the spout will likely drip during heat up. Be sure to place an ingot mold under spout to catch drips.
● Never pound on the valve rod to stop a leak.

Instructions

Set Up
1 Screw knob onto valve arm stud.
2 Place the melter on a stable work bench or table. Do not place in a draft or allow a fan to blow directly on the pot.
3 Route the power cord so it will not be tripped over or pulled by a child.
4 Place an ingot mold or small metal can under the pour spout during warm up.
5 Fill the pot with desired casting alloy.
6 Set mold guide for proper height and rotate mold guide forward or backward for proper right to left alignment. Best results with bottom pour pots are obtained by holding the mold away and slightly off center of the pour spout.
7 Set heat control to Medium and plug in.

Directions
It will take about 20 to 30 minutes to heat 20 lbs. of metal to 600 degrees; line voltage greatly affects melt time.
After the metal is melted, adjust heat setting to desired position. The markings are reference numbers only and do not indicate temperature.
The high setting will stabilize at approximately 900° F. and the low about 450° F.
Cast at the lowest temperature that will give good fill out. 650° F. is a good starting point.

With an ingot mold placed under the pour spout, lift the pour knob and observe the flow. Rotate the valve rod clockwise to decrease flow.
As the metal is consumed, you will need to rotate the valve rod counter-clockwise to maintain a uniform flow. Do not rotate the valve rod too far counterclockwise as continuous flow will occur.
As the valve spout ages, it may corrode or accumulate debris. Should your valve begin to drip, rotate the valve rod back and forth about 10 degrees with a screwdriver. This will force out any debris or corrosion from between the valve rod and seat.
The metal should be fluxed whenever more metal is added to the pot. A small piece of wax about the size of a pea works well as a flux. Be prepared for a flame when the wax is added to the pot. Stir the metal vigorously and scrape the side and bottom of the pot to dislodge impurities, which will float and can be skimmed off and discarded properly.

The following metals can not be melted in this pot;
• GOLD • SILVER • ZINC • COPPER • PEWTER • ALUMINUM

Tips
Leaving a thin layer of oxidized metal on the surface will cause no harm when using the melter as a bottom pour pot and will slow further oxidation of your metal.
Flux and skim only after adding more metal to the pot.
Before storing your melter for extended periods, spray all steel parts with a silicone spray or rust inhibitor, like WD·40.
Store your melter with about an inch of metal in the bottom. It speeds the next melt and reduces the likelihood of carrying surface contamination through the valve.

Troubleshooting
Should the valve not pour when the knob is raised, it’s most likely caused by the heat being set too low or the valve rod rotated too far clockwise.
If you’re sure the heat is set high enough and flow control is open, the spout is likely plugged with sediment. With the melter at operating temperature, hold a straightened paper clip with a pliers and feed the wire up the spout opening to force out the obstruction.
Should the valve drip, simply rotate the valve with a screwdriver. If this does not cure the drip, check the valve linkage for binding due to corrosion or damage.
The moving points of the valve linkage should be lubed with a high temperature anti-sieze lubricant, like Permatex #133 or equivalent, found at any automotive or well stocked hardware store.

Rule of Thumb for Hardening Lead
For every 1% additional tin, Brinell hardness increases 0.29
For every 1% additional antimony, Brinell hardness increases 0.92

Sample equation: Brinell = 5 Brinnell Pure Lead + (0.29 x Tin percentage) + (0.92 x Antimony percentage)

For example, if you increase the amount of tin by 10% and the amount of antimony by 5%, the Brinell hardness of your lead will be 12.5 Brinell hardness 12.5 = 5 + ( 0.29 x 10 ) + ( 0.92 x 5)

Number of Product Reviews: 1