TIN KNOCKER SAFETY RULES TK 422 PORTABLE BRAKE 1. Never use a machine or tool for anything other than its intended purpose. Use the proper tool and equipment for the task. 2. Do not operate the machine in excess of its rated capacity.
DO NOT use the Brake to bend rods, nails or wires. This will cause damage to the edge of the top blade. DO NOT exceed the capacity of the Brake. OPERATING THE TK 422 PORTABLE BRAKE Your brake is a general-purpose tool for bending and forming sheet metal. The brake is operated in the following manner.
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Lifting handles are attached to end of the brake so two men can lift and move the brake where it is needed. Once the brake is where you want it set it down, unhook the chains from the c-hooks and lift the brake. The legs will unfold into place. NOTE: ensure the leg are fully opened and on level ground.
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Bending and repeat bends - Bending is accomplished by clamping the work piece under the ram assembly so that the desired line of bend is held at the forward edge of the nose bar and by elevating the apron assembly until the desired degree of bend is obtained.
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forming the same as the ends. CAUTION: OVER TIGHTENING TRUSS RODS CAN CAUSE PERMANENT DISTORTION. If, after several tries, you do not get the desired effect, back off pressure on all truss rods and try again with a different sequence. Sometimes a slight upward crown to the table and apron is desirable.
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Clamping pressure, or cam-over pressure, is adjustable. Having a lot of it is often thought to be a good thing. Try this when the middle is not bending the same as the ends; instead of adding more clamping pressure reduce it. Consider the possibility that any brake is naturally stiffer near the ends than the middle.
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Parts For 422 Portable Brake Fine No. Part No. Description No. REQ"D. 422001 Ram Pin 422002 Right Ram slide 422003 Ram Slide Bolt 422004 Carrying Handle 422005 Stand Locking Bolts 422006 Set Screws 422007 Right Folding Stand 422008 Folding stand hinge Pin 422009 422 Bed 422010...
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