Assessments - 3, GPA: 3.3 ( )

Fabricante : Porter-Cable Arquivo Tamanho: 228.73 kb Arquivo Nome : Língua de Ensino:

The maximum size of which are listed below: Model 6641 and 6642: #12 Wood Screws – 1/4" Self-Drilling-Tapping Screws Models 6640 and 6645: Commercially available Drywall Screws ASSEMBLY and OPERATION TO START AND STOP SCREWDRIVER CAUTION: MAKE SURE SWITCH IS OFF BEFORE CONNECTING TOOL TO POWER SOURCE. 5 902387 - 10-31-01.qxd 2/12/02 3:30 PM Page 6 1. Make sure power circuit voltage is the same as that shown on the specification plate of screwdriver. Connect screwdriver to power circuit. 2. Squeeze trigger switch (A), Fig. 1, to start motor, as the trigger switch is squeezed, the driver speed increases. The screwdriver bit will not rotate until engaged in a fastener and forward pressure is applied to the tool. To stop motor, release trigger switch. 3. LOCK BUTTON - A lock button (B), Fig. 1, is provided to keep motor running without holding the trigger switch ON. TO LOCK the trigger switch ON, squeeze the trigger as far as it will go, push in lock button and release trigger. TO UNLOCK lock button, squeeze trigger and release, leaving lock button free to spring out. 4. DIRECTION OF ROTATION – PORTER-CABLE screwdrivers will rotate either in a clockwise direction for driving fasteners with a right hand thread, or a counter clockwise direction for removing fasteners with a right hand thread. To determine rotation, stop the motor by releasing the trigger switch and move the reversing lever (C), Fig. 1, in the direction marked “reverse” for counterclockwise rotation, or in the opposite direction for clockwise rotation. C A B Fig. 1 TO CHANGE HEX NUTSETTER – MODELS 6641, 6642 1. CAUTION: DISCONNECT TOOL FROM POWER SOURCE. 2. Pull the adjusting collar (A), Fig. 2, forward, (away from the power unit), and rotate collar counterclockwise, to remove the depth stop assembly (B), Fig. 2, from the clutch housing. 3. Pull nutsetter (C), Fig. 3, straight out. If it is difficult to remove, grip with pliers and pull. 4. Push selected nutsetter into screwdriver spindle until ball in spindle snaps into groove in nutsetter shank. 5. Replace depth stop and adjust for depth of drive (see TO ADJUST DEPTH STOP, MODELS 6641, 6642). TO ADJUST DEPTH STOP – MODELS 6641, 6642 1. Pull the adjusting collar (A), Fig. 2, forward, (away from power unit), and hold while performing step 2. 2. Turn adjusting collar until end of depth stop is flush with end of nutsetter. Do not push in nutsetter as this will engage internal drive. 6 902387 - 10-31-01.qxd 2/12/02 3:30 PM Page 7 B A Fig. 2 B C Fig. 3 3. Release adjusting collar being sure that the depressions in the collar engage the projections on the clutch housing. 4. Drive a test fastener in a piece of scrap material identical to that to be used. Examine results of drive and make additional depth stop adjustment if required as follows: a) To increase depth of drive, repeat STEP 1 and turn adjusting collar so that end of nutsetter extends beyond end of depth stop. b) To decrease depth of drive, repeat STEP 1 and turn adjusting collar so that end of depth stop extends beyond end of nutsetter. Each 1/8 turn of the adjusting collar results in .010" change in depth of drive. 5. Repeat STEPS 3 and 4 until desired result is obtained. A C B D Fig. 4 7 902387 - 10-31-01.qxd 2/12/02 3:30 PM Page 8 TO CHANGE BIT HOLDER – MODELS 6640, 6645 1. CAUTION: DISCONNECT TOOL FROM POWER SOURCE. 2. Twist and pull the aluminum nosepiece (A), Fig. 4, out of the depth stop assembly. 3. Pull bit holder (B), Fig. 4, straight out. If it is difficult to remove, grip with pliers and pull. NOTE: Bit (C), Fig. 4, may be removed from bit holder by pulling straight out. 4. Push new bit holder into spindle until it snaps into place. 5. Install aluminum nose piece and adjust depth stop (see TO ADJUST DEPTH STOP, MODELS 6640, 6645). TO ADJUST DEPTH STOP – MODELS 6640, 6645 1. Pull the adjusting collar (D), Fig. 4, forward, (away from power unit), and hold while performing Step 2. 2. Turn depth stop until end of bit extends 3/32" beyond end of depth stop. Do not push in nutsetter as this will engage internal drive. 3. Release adjusting collar being sure that the depressions in the collar engage the projections on the clutch housing. 4. Drive a test fastener in a piece of scrap material identical to that to be used. Examine results of drive and make additional depth stop adjustment if required as follows: a) To increase depth of drive, repeat STEP 1 and turn depth stop so that end of bit extends further from end of depth stop. b) To decrease depth of drive, repeat STEP 1 and turn depth stop so that end of bit is closer to end of depth stop. Each 1/8 turn of the adjusting collar results in .010" change in depth of drive. 5. Repeat STEPS 3 and 4 until desired result is obtained. DRIVING DRYWALL SCREWS – MODELS 6640, 6645 1. Install drywall bit and bit holder to screwdriver. 2. Set screwdriver for correct rotation. 3. Start screwdriver and place drywall screw on bit. CAUTION: DO NOT EXERT PRESSURE ON SCREW WHILE DOING THIS. 4. Place end...

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