Assessments - 3, GPA: 4.3
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6. Tension belt by pushing handle to the right. 7. Reinstall the belt guards Note: Belts stretch with wear. You may have to adjust tracking with a new belt. Belt Tracking Adjustment 1. Disconnect the machine from the power source. 2. Push the belt by hand in the direction indicated on the belt cover. Observe the belt position on the rollers. Edge of belt should remain even with the edge of the rollers. 11 3. Insert the driver with the round shaft, supplied with the machine into the micro adjusting nut (A, Fig. 11) and turn away from you to loosen. 4. Turn the micro adjusting screw (B, Fig. 11) in . turn increments until the belt tracks evenly on the rollers when rotated by hand. 5. Tighten the micro adjusting nut (A, Fig. 11). 6. Connect the machine to power. 7. Turn on the power to the machine just enough to start the belt rotating and then turn off. Do this several times and observe belt tracking. Adjust as necessary. If the tracking cannot be corrected goto the next section “Motor Mount Tracking Adjustment”. Motor Mount Tracking Adjustment The EHVS-80CS comes with tracking adjustment bolts (A, Fig. 12) on the motor plate. These are set at the factory and should not require any further adjustment. If, however, you are not able to track the belt using the belt tracking adjustment assembly on the sanding platen, the motor mount bolts will have to be adjusted: 1. Disconnect the machine from the power source. 2. Slightly loosen the four motor mount nuts (B, Fig. 12) just enough so the tracking bolts can make an adjustment. 3. Loosen both locking hex nuts. 4. Turn one bolt (A, Fig. 12) a . turn and rotate the sanding belt by hand to observe which direction the belt is tracking. If it is traveling in the direction needed to correctly track the belt, tighten both locking nuts and fine tune the tracking with the belt tracking assembly on the platen. 5. If the belt starts to travel in the wrong direction, back off a quarter turn and tighten the other bolt a quarter turn. This should start the belt in the proper direction. Note: Use the motor mount bolts as a “major” tracking adjustment. Use the belt tracking assembly on the sanding plates as a “fine” tracking adjustment. 12 Table Adjustment . WARNING Do not position table below sanding belt! Keep an overlap of at least 1/16” between table and sanding belt to avoid material and/or fingers getting caught! Failure to comply may cause serious injury! 1. Loosen two lock knobs (A, Fig. 13). 2. Raise or lower work table to desired level. 3. Tighten two lock knobs. Troubleshooting Trouble Possible Cause Solution Sander will not start 1. Sander unplugged from wall or motor 2. Fuse blown or circuit breaker tripped 3. Cord damaged 1. Check all plug connections 2. Replace fuse or reset circuit breaker 3. Replace cord Sanding belt does not come up to speed 1. Extension cord too light or too long 2. Motor not wired for proper voltage 3. Low current 1. Replace with adequate size and length cord 2. Refer to motor junction cover for proper wiring 3. Contact a qualified electrician Machine vibrates excessively 1. Stand on uneven floor 2. Motor mounts are loose 3. Tension spring is worn or broken 1. Adjust stand so that it rests evenly on the floor 2. Tighten motor mount bolts 3. Repalce spring Abrasive belt keeps tearing 1. Belt is running in the wrong direction 1. Arrow on the sanding belt and machine should be pointing in the same direction. Sanded edge not square 1. Table not square to sanding platen 1. Use a square to adjust table to sanding platen Sanding marks on wood 1. Work held still 2. Wrong grit sanding belt 3. Feed pressure too great 4. Sanding against the grain 1. Keep workpiece moving 2. Use coarser grit for stock removal and fine grit for finish sanding. 3. Never force work into sanding platen 4. Sand with the grain 13 Table and Motor Assembly 14 Parts List For The EHVS-80CS Sander Table and Motor Assembly Index Part No. No. Description Size Qty. 1..........EHVS80CS-01................. Base.............................................................. .................................1 2..........994532............................. Switch (serial #: 9031435 and lower) ............. .................................1 ............EHVS80-02N ................... Push Button Switch (serial #: 9031436 and higher) .........................1 3..........EHVS80-03-1................... Switch Panel (serial #: 9031435 and lower) ... .................................1 ............EHVS80-03N ................... Switch Panel (serial #: 9031436 and higher).. .................................1 3A........EHVS80-02B.................... Switch Box .................................................... .................................1 4..........EHVS80-04...................... Pan Head Screw............................................ 3/16”x1-1/2”..............3 5..........EHVS80-05A.................... External Tooth Lock Washer ......................... 3/16”.........................3 ...
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