OWNERS MANUAL
MODEL NO. 900.271211
CAUTION : Read Rules for Safe Operation and Instructions Carefully
CRAFTSMAN ® 1/2" INDUSTRIAL DRILL REVERSIBLE VARIABLE SPEED DOUBLE INSULATED
Introduction Operation Maintenance Repair Parts
sold by SEARS, ROEBUCK AND CO., Chicago, IL 60684 U.S.A.
(SEP88-CD-3)
FULL ONE YEAR WARRANTY ON CRAFTSMAN INDUSTRIAL PORTABLE DRILL
If this CRAFTSMAN Industrial Drill fails due to a defect in material or workmanship within one year from the date of purchase, Sears will repair it free of charge.
WARRANTY SERVICE IS AVAILABLE BY SIMPLY RETURNING THE TOOL TO THE NEAREST SEARS STORE OR SERVICE CENTER THROUGHOUT THE UNITED STATES.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.
SEARS, ROEBUCK AND CO., DEPT. 698/731 A, SEARS TOWER, CHICAGO, IL 60684
INTRODUCTION
DOUBLE INSULATION
IMPORTANT
Double insulation is a concept in safety, in electric power tools, which eliminates the need for the usual three wire grounded power cord and grounded supply system. Wherever there is electric current in the tool there are two complete sets of insulation to protect the user. All exposed metal parts are isolated from the internal metal motor components with protecting insulation.
Servicing of a tool with double insulation requires extreme care and knowledge of the system and should be performed only by a qualified service technician. For service we suggest you return the tool to your nearest Sears Store for repair. Always use original factory replacement parts when servicing.
IMPORTANT SAFETY INSTRUCTIONS
WARNING: When using Electric Tools, basic safety precautions should always be followed to reduce the risk of fire, electric shock, and personal injury, including the following:
READ ALL INSTRUCTIONS
- 1. KEEP WORK AREA CLEAN. Cluttered areas and benches invite injuries.
- 2. CONSIDER WORK AREA ENVIRONMENT. Don't expose power tools to rain. Don't use power tools in damp or wet locations. Keep work area well lit.
- GUARD AGAINST ELECTRIC SHOCK. Prevent body contact with grounded surfaces. For example: pipes, radiators, ranges, refrigerator enclosures.
- 4. KEEP CHILDREN AWAY. All visitors should be kept away from work area. Do not let visitors contact tool or extension cord.
- 5. STORE IDLE TOOLS. When not in use, tools should be stored in dry, and high or locked-up place—out of reach of children.
- DON'T FORCE TOOL. It will do the job better and safer at the rate for which it was intended.
- DOI TFORCE TOOL. It will do the job better and safer at the rate for which it was intended. USE RIGHT TOOL. Don't force small tool or attachment to do the job of a heavy-duty tool. Don't use tool for purpose not intended, for example, don't use circular saw for cutting tree limbs or logs.
- 8. DRESS PROPERLY. Do not wear loose clothing or jewelry. They can be caught in moving parts. Rubber gloves and non-skid footwear are recommended when working outdoors. Wear protective hair covering to contain long hair.
- USE SAFETY GLASSES. Also use face or dustmask if cutting operation is dusty. DON'T ABUSE CORD. Never carry tool by cord or yank it to disconnect from receptacle. Keep cord from heat, oil, and sharp
- edges.
- 11. SECURE WORK. Use clamps or a vise to hold work. It's safer than using your hand and it frees both hands to operate tool.
- 12. DON'T OVERREACH. Keep proper footing and balance at all times.
- 13. MAINTAIN TOOLS WITH CARE. Keep tools sharp and clean for better and safe performance. Follow instructions for lubricating and changing accessories. Inspect tool cords periodically and if damaged have repaired by authorized service facility. Inspect extension cords periodically and replace if damaged. Keep handles dry, clean, and free from oil and grease.
- 14. DISCONNECT TOOLS. When not in use, before servicing, and when changing accessories, such as blades, bits, cutters.
- REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on.
- 16. AVOID UNINTENTIONAL STARTING. Don't carry plugged-in tool with finger on switch. Be sure switch is off when plugging in.
- 17. OUTDOOR USE EXTENSION CORDS. When tool is used outdoors, use only extension cords intended for use outdoors and so marked.
- 18. STAY ALERT. Watch what you are doing. Use common sense. Do not operate tool when you are tired.
- CHECK DAMAGED PARTS. Before further use of the tool, a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function. Check for alignment of moving parts, binding of moving parts, breakage of parts, mounting, and any other conditions that may affect its operation. A guard or other part that is damaged should be properly repaired or replaced by an authorized service center unless otherwise indicated elsewhere in this instruction manual. Have defective switches replaced by authorized service center. Do not use tool if switch does not turn it on and off.
- 20. DO NOT OPERATE portable electric tools near flammable liquids or in gaseous or explosive atmospheres. Motors in these tools normally spark, and the sparks might ignite fumes.
CAUTION: When drilling into walls, floors or wherever "live" electrical wires may be encountered, DO NOT TOUCH THE CHUCK OR ANY FRONT METAL PARTS OF THE DRILL! Hold the Drill only by the plastic handle to prevent electric shock if you drill into a "live" wire.
SAVE THESE INSTRUCTIONS
MOTOR
Be sure your power supply agrees with the nameplate marking. AC ONLY means that this drill must be operated with alternating current only and never with direct current. This drill is designed to operate with 120 volts as 60 HZ. Voltage decrease of more than 10% will cause loss of power and overheating. This drill produces full power in reverse as well as forward.
SWITCHES
To start Drill, depress trigger switch; to stop Drill, release trigger. To lock trigger in "ON" position for continuous operation, depress trigger and push up locking button "A" Figure 1, then gently release trigger. To release locking mechanism, depress trigger fully, then release it. Before using the tool (each time) be sure that the lock button release mechanism is working freely.
Do not lock the switch "ON" when drilling by hand so that you can instantly release the trigger switch if the bit binds in the hole.
Be sure to release the switch locking button before disconnecting the plug from the power supply. Failure to do so will cause the tool to start immediately the next time it is plugged in. Damage or injury could result.
The Variable Speed Trigger Switch permits speed control—the farther the trigger is depressed, the higher the speed of the Drill. NOTE: Use lower speeds for starting holes without a center punch, drilling in metal or plastics, driving screws, drilling ceramics, or mixing paint. Higher speeds are better for drilling wood and composition boards, and for using abrasive and polishing accessories.
The Reversing Switch is used for withdrawing bits from tight holes and removing screws at lower speeds. It is located above the trigger switch (Fig. 2). To reverse the motor, release the trigger FIRST and then push the reversing switch lever to the right. After any reversing operations, return the reversing lever back to the forward position.
MULTI-POSITION SIDE HANDLE
This handle is supplied with all 1/2" Drills and some %" Drills. It clamps to the front of the gear case and can be rotated to permit right-hand or left-hand use.
CAUTION: Always use side handle and hold Drill with both hands when using 1/2" Drill.
A FIG. 1
OPERATION
DISCONNECT TOOL FROM POWER SUPPLY.
Insert drill bit into chuck and tighten securely using the chuck key provided. DO NOT USE A WRENCH TO TIGHTEN OR LOOSEN THE CHUCK.
Depress and release the switch trigger to be sure the tool is in the "off" position before connecting it to the power supply.
Check for correct (forward or reverse) direction setting before starting the drill. The lever must be moved to the left. (Fig. 2)
The material to be drilled should be held in a vise or with clamps to keep it from turning as the drill bit rotates. Hold the drill firmly and place the bit at the point to be drilled.
Do not lock the switch "on" for jobs where the drill may need to be stopped suddenly.
Move the drill bit into the workpiece applying only enough pressure to keep the bit cutting. Do not force the drill so that motor speed is reduced drastically or apply side pressure to elongate a hole.
When drilling metals use a light oil on the drill bit to keep it from overheating. The oil will prolong the life of the bit and increase the drilling action.
If the bit jams in workpiece or if the drill stalls, stop the tool immediately. Remove the bit from the workpiece and determine the reason for jamming.
CHUCK REMOVAL
For Drills with Reversing feature, start with step 1.
For Drills, without Reversing feature.skip steps 1 & 2 and start with step 3.
1. Place chuck key in chuck as shown in Figure 4. Using a wooden mallet or similar object, strike key sharply in a CLOCKWISE direction. This will loosen screw inside chuck (Figure 4).
2. Open chuck jaws fully. Insert screwdriver into front of chuck between jaws to engage screw head. Remove screw by turning clockwise (left-hand thread).
3. Place key in chuck as shown in Figure 5. Using a wooden mallet or similar object, strike key sharply in a COUNTER-CLOCKWISE direction (Figure 5.) This will loosen chuck so that it can be unscrewed by hand.
MAINTENANCE
WHEN SERVICING USE ONLY IDENTICAL REPLACEMENT PARTS.
GENERAL
Only the parts shown on parts list, page seven, are intended to be repaired or replaced by the customer. All other parts represent an important part of the double insulation system and should be serviced only by a qualified service technician.
Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, carbon dust, etc.
When electric tools are used on fiberglass boats, sports cars, etc., it has been found that they are subject to accelerated wear and possible premature failure, as the fiberglass chips and grindings are highly abrasive to bearings, brushes, commutator, etc. Consequently it is not recommended that this tool be used for continuous production work on any fiberglass material. During any use on fiberglass it is extremely important that the tool is cleaned frequently by blowing with an air jet.
EXTENSION CORDS
The use of any extension cord will cause some loss of power. To keep the loss to a minimum and to prevent tool overheating, use minimum 16 A.W.G. wire size for extension cord lengths from 25 to 75 feet and minimum 14
A.W.G. wire size for extension cord lengths from 75 to 100 feet. When tool is used outdoors, use only extension cords suitable for outdoor use and so marked. Extension cords are available at Sears Catalog Order or Retail Store.
THE FOLLOWING RECOMMENDED ACCESSORIES ARE CURRENT AND WERE AVAILABLE AT THE TIME THIS MANUAL WAS PRINTED.
High Speed Bits (For wood or metal) Masonry Bits Wood Boring Bits Hole Saws
3/8″ Max. 9/16″ Max. 1-1/4″ Max. 1-1/2″ Max.
Cord Lock 9 2595 Sanding-Polishing Kit Wire Brushes
7" Max.
CAUTION: The use of attachments or accessories not listed above might be hazardous.
|
49192-00 Contact Strip (Field Terminal-Short)
50228-00 Contact Strip (Brush Terminal) |
47865-01 Field Case (Incl. 36,37,38) | 93128-00 Needle Bearing | 00166-00 Terminal | 50965-00 Gasket |
449513-00 Spacer
448671-01 Side Handle (Incl. 45.46.47) |
148847-00 1/4-28 Machine Screw (LH Thread) | 4794-01 Chuck Key (K 32, S-9) | 449644-00 Church & Kov | 448044-05 1st Int. Gear & Pinion (44/10 Teeth) | 448670-02 Spindle & Gear (28 Teeth)(1/2-20 Thd ) |
440000-01 Gear Case Cover (Incl. 10,34)
448655-00 Gear Case (Incl. 40,41,42,43) |
234900-02 Attachment Plug | 448269-00 6-19 x 2-1/4" Thread-Forming Screw | 447866-00 Fan Baffle | 445217-01 Sleeve | 450548-00 Beversing Actuator (Incl. 19) | 86964-00 8-16 x 13/16" Thread-Forming Screw | 95048-00 8-16 x 1-1/2" Thread-Forming Screw | 400285-00 Ball Bearing | 448557-98 Cord & Plug (18-2 SJ) | 450270-00 Switch | 449899-00 Brush Holder | 0/990/-UZ Brush Spring | 449762-71 Field (Incl. 17) | 450076-31 Armature & Fan (9 Teeth) |
x Part
. No. Description |
PΑ | SEE BACK PAGE FC | inder B | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| REASSEMBLY OF TOOL IS IDENTICAL TO THE ORIGINA | When servicing Double Insulated Tools, it is extremely important the | Sears replacement parts. |
repairs, maintenance and adjustment should be performed by Sear
Service Centers or other qualified service organizations, always usin |
IMPORTANTI-To assure product SAFETY and RELIABILITY | Distribute 3/4 nunce of MI 54-1 Grease in Gear Cas | 4/492-01 ML 54-1 Grease (6 oz.) | brush leads.) | 682245 Connection Diagram (for units with long | EXTRA EQUIPMENT (Not supplied with unit): | 65288-01 Chuck Key Holder | PARTS NOT SHOWN (Supplied with unit): | 41 Seal faces Gear | 35 Date Code: Bottom of Field Case | 32,38 Units with long brush leads do not have these terminals | 10 Press Bearing to bottom of bore; seal faces Gear | 2 Press Bearing ilusn with end of shaft; seal faces | 0 NOTES: | 46 2281-00 5/16-24 Hex Nut 1 | 45 448674-00 5/16-24 x 4-1/4" Machine Screw 1 | 1 44 448668-00 8-16 x 2" Thread-Forming Screw 2 | 1 42 85050 00 Wookov Infead-Forming Screw 1 | 1 0 41 450431-00 Ball Bearing 1 | 1 40 93129-00 Needle Bearing 2 | 1 30 450504-09 Handle Cover 1 |
ty. Index Part
No. No. Description Otv. |
RTS LIST | R PARTS ORDERING INSTRUCTIONS. |
Page 7
OWNERS MANUAL
SERVICE
MODEL NO. 900.271211
HOW TO ORDER REPAIR PARTS
CRAFTSMAN ®
1/2"INDUSTRIAL DRILL
REVERSIBLE VARIABLE SPEED DOUBLE INSULATED
Now that you have purchased your Drill, should a need ever exist for repair parts or service, simply contact any Sears Service Center and most Sears, Roebuck and Co. stores.
Be sure to provide all pertinent facts when you call or visit.
The model number of your Drill will be found on the plate attached to your Tool.
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOLLOWING INFORMATION:
- PART NUMBER
- PART DESCRIPTION
- MODEL NUMBER
- NAME OF ITEM
900.271211
Electric Drill
All parts listed may be ordered from any Sears Service Center and most Sears stores.
If the parts you need are not stocked locally, your order will be electronically transmitted to a Sears Repair Parts Distribution Center for handling.
sold by SEARS, ROEBUCK AND CO., Chicago, IL 60684 U.S.A.
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