This .pdf document is bookmarked Operating Instructions and Parts Manual 20-Ga. Pittsburgh Lockformer Model LF-20 JET 427 New Sanford Road LaVergne, Tennessee 37086 Ph.: 800-274-6848 www.jettools.com Part No.
12. Make certain switch is in OFF position before connecting the machine to the power supply. 13. Make certain the machine is properly grounded. 14. Make all machine adjustments or maintenance with the machine unplugged from the power source. 1.0 IMPORTANT SAFETY INSTRUCTIONS 15. Remove adjusting keys and wrenches. Form a habit of checking to see that keys and adjusting wrenches are removed from the machine before turning it on. WARNING – To reduce risk of injury: 1.
28. Do not stand on the machine. Serious injury could occur if the machine tips over. 33. Don’t use in dangerous environment. Don’t use power tools in damp or wet location, or expose them to rain. Keep work area well lighted. 29. Never leave the machine running unattended. Turn the power off and do not leave the machine until it comes to a complete stop. 34. Use proper extension cord. Make sure your extension cord is in good condition.
3.0 Table of contents Section Page 1.0 IMPORTANT SAFETY INSTRUCTIONS ....................................................................................................... 2 2.0 About this manual .......................................................................................................................................... 3 3.0 Table of contents............................................................................................................................................ 4 4.
4.0 Specifications Model number ............................................................................................................................................... LF-20 Stock number .............................................................................................................................................. 756090 Motor and electricals: Motor type .............................................................................................................................
installed and grounded in accordance with all local codes and ordinances. Read and understand the entire contents of this manual before attempting setup or operation! Failure to comply may cause serious injury. Do not modify the plug provided - if it will not fit the outlet, have the proper outlet installed by a qualified electrician. 5.0 Setup and assembly Improper connection of the equipment-grounding conductor can result in a risk of electric shock.
1. 6.2 Extension cords The use of extension cords is discouraged; try to position machines near the power source. If an extension cord is necessary, make sure it is in good condition. When using an extension cord, be sure to use one heavy enough to carry the current your product will draw. An undersized cord will cause a drop in line voltage resulting in loss of power and overheating. Table 1 shows correct size to use depending on cord length and nameplate ampere rating.
Figure 7-3: Double Seam setup (optional roll set) Figure 7-4: Drive Cleat setup (optional roll set) reached end of exit table but is still pinched between the rolls. Move fence into position just flush or slightly clear of workpiece edge. Exit fence must not bear against workpiece. Tighten down fence. Always disconnect machine from power before installing roll sets. Failure to comply may cause serious injury. 7.2 Double Seam procedure 9. Start machine and feed workpiece. See Figure 7-3. 1.
6. 7. material starts working away from entry fence, tighten hold-down bolt on entry side. Adjust exit fence as follows: Run a test piece through and stop machine when workpiece has reached end of exit table but is still pinched between the rolls. Move fence into position just flush or slightly clear of workpiece edge. Exit fence must not bear against workpiece. Tighten down fence. • 5. Start machine and feed workpiece. 8.0 Adjustments Refer to Figure 7-1.
.1.
10.1.2 LF-20 Lockformer – Parts List Index No Part No Description Size Qty 1 ................ TS-0071151 .............. Hex Cap Screw ........................................................ 5/8-11x6 ........................ 2 2 ................ TS-155010 ................ Flat Washer ............................................................. M16 ............................... 2 3 ................ TS-0207021 .............. Socket HD Cap Screw ............................................. 1/4-20x1/2 .
10.2.
10.2.2 LF-20 Upper Bracket – Parts List Index No Part No Description Size Qty 1 ................ TS-0270011 .............. Socket Set Screw .................................................... 5/16-18x1/4 ................... 1 2 ................ LF20-202 ................... Upper Front Die Clamping Plate .............................. ...................................... 1 3 ................ LF20-203 ................... Die T5 ...................................................................... ....
10.3.
10.3.2 LF-20 Lower Bracket – Parts List Index No Part No Description Size Qty 1 ................ TS-0070041 .............. Hex Cap Screw ........................................................ 1/2-13x1-3/4 ................ 11 2 ................ TS-0720111 .............. Lock Washer, Medium ............................................. 1/2" ............................. 11 3 ................ TS-1523051 .............. Socket Set Screw .................................................... M6x16 ...........
10.4.1 LF-20 Optional Rollers – Exploded View 10.4.2 LF-20 Optional Rollers – Parts List Index No Part No Description Size Qty 1 ................ 756092 ...................... Drive Cleat Rolls, set of 10 ...................................... ...................................... 1 2 ................ 756091 ...................... Double Seam Rolls, set of 10 .................................. ......................................
11.
12.0 Warranty and service JET warrants every product it sells against manufacturers’ defects. If one of our tools needs service or repair, please contact Technical Service by calling 1-800-274-6846, 8AM to 5PM CST, Monday through Friday. Warranty Period The general warranty lasts for the time period specified in the literature included with your product or on the official JET branded website. • JET products carry a limited warranty which varies in duration based upon the product.
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427 New Sanford Road LaVergne, Tennessee 37086 Phone: 800-274-6848 www.jettools.
