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Delta 11-990 - page 1
INSTRUCTION MANUAL 12" Bench Drill Pr ess (Model 11-990) P ART NO. 903709 (018) Copyright © 2001 Delta Machinery ESP AÑOL: PÁGINA 17 T o learn more about DEL T A MACHINER Y visit our website at: www .deltamachinery .com. For Parts, Service, W arranty or other Assistance, please call 1-800-223-7278 ( In Canada call 1-800-463-3582). ...
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Delta 11-990 - page 2
2 GENERAL SAFETY RULES W oodworking can be dangerous if safe and pr oper operating procedures ar e not followed. As with all machinery , there are certain hazar ds involved with the operation of the product. Using the machine with respect and caution will considerably lessen the possibility of personal injury . However , if normal safety precaution ...
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Delta 11-990 - page 3
3 ADDITIONAL SAFETY RULES FOR FOR DRILL PRESSES 1. DO NOT operate your tool until it is completely assembled and installed according to the instructions. 2. IF YOU ARE NOT thoroughly familiar with the operation of drill presses, obtain advice fr om your supervisor , instructor or other qualified person. 3. MAKE SURE wiring codes and recommended ele ...
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Delta 11-990 - page 4
4 POWER CONNECTIONS A separate electrical circuit should be used for your tools. This cir cuit should not be less than #12 wire and should be protected with a 20 Amp time lag fuse. If an extension cor d is used, use only 3-wire extension cords which have 3- prong gr ounding type plugs and matching receptacle which will accept the tool’ s plug. Be ...
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Delta 11-990 - page 5
Use proper extension cor ds. Make sure your extension cord is in good condition and is a 3-wir e extension cord which has a 3-prong gr ounding type plug and matching receptacle which will accept the tool’ s plug. When using an extension cord, be sur e to use one heavy enough to carry the current of the tool. An undersized cord will cause a drop i ...
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Delta 11-990 - page 6
6 WARNING: FOR YOUR OWN SAFETY , DO NOT CONNECT THE TOOL TO THE POWER SOURCE UNTIL THE MACHINE IS COMPLETEL Y ASSEMBLED AND YOU READ AND UNDERST AND THE ENTIRE INSTRUCTION MANUAL. Fig. 1 1 2 3 4 5 6 7 8 9 10 12 11 13 1 - Drill Press Head and Motor 2 - Column, Base Flange and T able Raising Mechanism 3 - Clamp Handle 4 - T able 5 - Base 6 - Pinon Sh ...
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Delta 11-990 - page 7
7 ASSEMBL Y 1. Assemble the column (A) Fig. 3, to the base (B) using the four M8x25mm hex head screws (C), thr ee of which are shown. Loosen set scr ew (D) and remove ring (E) and raising rack (F). 2. Make certain worm gear (G) Figs. 4 and 5, is in place in table bracket (H) as shown. 3. Insert raising rack (F) Fig. 6, which was removed in STEP 1 , ...
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Delta 11-990 - page 8
8 4. Slide raising rack (F) Fig. 7, table and table bracket onto drill press column, as shown. Make sur e bottom of raising rack (F) Fig. 8, is engaged with flange (J) on drill press base. 7. Re-assemble ring (E) Fig. 11, which was removed in STEP 1 . IMPORT ANT : Bottom of ring (E) MUST NOT be pushed all the way down onto top of raising rack (F). ...
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Delta 11-990 - page 9
9 9. Figure 13, illustrates the table raising and lowering handle (K) assembled to worm gear shaft (G). 10. Thread clamp handle (M) Fig. 14, into hole in r ear of table bracket, as shown. 11. Place the drill press head (N) Fig. 15, onto the column as far as it will go. Align head to table and base and tighten the two head locking screws (O) with wr ...
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Delta 11-990 - page 10
10 13. IMPORT ANT : Make certain the spindle taper (Q) Fig. 17, and tapered hole in chuck (R) ar e clean and free of any grease, lacquer or rust pr eventive coatings. NOTE: Household oven cleaner can effectively r emove any sub- stance from the spindle and chuck; however , carefully follow the manufacturer's safety rules concerning its use. 14 ...
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Delta 11-990 - page 11
11 ST AR TING AND STOPPING DRILL PRESS The switch (A) Fig. 21, is located on the front of the drill press head. T o turn the drill press “ON” move the switch to the up position. T o tur n the drill press “OFF” move the switch to the down position. LOCKING SWITCH IN THE “OFF” POSITION IMPORT ANT : When the tool is not in use, the switch ...
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Delta 11-990 - page 12
12 3. The table can be tilted right or left by pulling out and removing table alignment pin (C) Fig. 25, and loosening table locking bolt (D). NOTE: If pin (C) is difficult to remove, turn nut (E) clockwise to pull pin out of casting. Tilt table to the desired angle and tighten bolt (D). 4. When returning table to the level position, loosen pin (C) ...
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Delta 11-990 - page 13
13 Fig. 30 C B 5. After the belt is positioned on the desired steps of the motor and spindle pulleys, pivot motor away from the drill press head until the belt is pr operly tensioned and tighten tension lock knob (B) Fig. 30. The belt should be just tight enough to prevent slipping. Excessive tension will reduce the life of the belt, pulleys and be ...
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Delta 11-990 - page 14
14 OPERA TION The following directions will give the inexperienced operator a start on common drill press operations. Use scrap material for practice to get a feel of the machine before attempting r egular work. WARNING: The use of accessories and attach- ments not recommended by Delta may r esult in risk of injury . IMPORT ANT : When the workpiece ...
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Delta 11-990 - page 15
15 T wo Y ear Limited W arranty Delta will repair or r eplace, at its expense and at its option, any Delta machine, machine part, or machine accessory which in normal use has proven to be defective in workmanship or material, pr ovided that the customer returns the product prepaid to a Delta factory service center or authorized service station with ...
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