8" DRUM SANDER 98198 Set up And Operating Instructions Distributed exclusively by Harbor Freight Tools®. 3491 Mission Oaks Blvd., Camarillo, CA 93011 Visit our website at: http://www.harborfreight.com Read this material before using this product. Failure to do so can result in serious injury. Save this manual. Copyright© 2008 by Harbor Freight Tools®. All rights reserved.
Contents Pulley Alignment ���������������������� 16 Important SAFETY Information ���������������������������� 3 Feed Belt Replacement ���������� 17 General Power Tool Safety Warnings ���������������������� 3 Drum Sanding OperationSafety Warnings � 5 Grounding ��������������������������������� 7 Grounded Tools: Tools with Three Prong Plugs ������� 7 Double Insulated Tools: Tools with Two Prong Plugs ���������������������������������������������7 Feed Belt Tracking ������������������ 16 Conveyor Table A
NOTICE is used to address practices not related to personal injury. Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference.
plugs with grounded power tools. Unmodified plugs and matching outlets will reduce risk of electric shock. tion and full-face shield. Safety equipment such as dust mask, nonskid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries. b. Avoid body contact with grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is grounded. c. Prevent unintentional starting.
b. Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired. c. Disconnect the plug from the power source and/or the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally. d.
generated by your operation. Prolonged exposure to high intensity noise may cause hearing loss. 5. Keep bystanders a safe distance away from work area. Anyone entering the work area must wear personal protective equipment. Fragments of work piece or of a broken accessory may fly away and cause injury beyond immediate area of operation. 6. Position the cord clear of the spinning accessory. If you lose control, the cord may be cut or snagged and your hand or arm may be pulled into the spinning accessory.
Save these instructions. three prong grounding plug. The plug must be connected to a properly grounded outlet. If the tool should electrically malfunction or break down, grounding provides a low resistance path to carry electricity away from the user, reducing the risk of electric shock. (See 3-Prong Plug and Outlet.) Grounding To prevent electric shock and death from incorrect grounding wire connection: Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded.
6. Make sure the extension cord is properly wired and in good electrical condition. Always replace a damaged extension cord or have it repaired by a qualified electrician before using it. Double insulated tools may be used in either of the 120 volt outlets shown in the preceding illustration. (See Outlets for 2-Prong Plug.) 7. Protect the extension cords from sharp objects, excessive heat, and damp or wet areas. 3. 4. 5. (at full load) 0 – 2.0 18 18 18 18 16 2.1 – 3.4 18 18 18 16 14 3.
subheadings therein before set up or use of this product.
with two M8-1.25 x 15 Carriage Bolts (268) and Flanged Nuts (269). c. Do not tighten the screws to the Stand until its assembly is complete. Final Assembly Attach components. a. Screw the Hand Wheel Handle onto the Hand Wheel (103). b. Attach Hand Wheel (103) with a Hex Socket HD Screw (239) and Flat Washer (238). Completed Stand c. Attach the Square Dust Port (56). d. Attach the Square-To-Round Dust Chute (59) Adapter and Dust Chute (70). e. Attach the Dust Bag (273). Fig. 2.
c. Place the stock on the Conveyor Table (137) and raise the Conveyor Table until it is just a little below the sanding roller. Work Piece and Work Area Set Up 1. 2. Designate a work area that is clean and well-lit. The work area must not allow access by children or pets to prevent injury and distraction. Route the power cord along a safe route to reach the work area without creating a tripping hazard or exposing the power cord to possible damage.
Dust Bag (273) Grit Class 120-180 Fine Usage Finishing a. When changing grit, do not change by greater than a value of 50. 11. Sandpaper replacement. Dust Bag c. The Dust Bag (273) is secured to the Dust Chute (70) with a Collar (218). 8. Speed adjustment. a. The speed of the Feed Belt (165) is adjusted by turning the Speed Adjustment Knob (74) while the machine is running. b. Turn the knob counterclockwise to increase the feed speed, clockwise to slow it down. 9. Sanding tips. a.
size and shape of the template will not change over time. Sandpaper 3" Sandpaper (179) k. After cutting the 12-1/2" angled sides, cut 1" from the greater length edge of both ends of the sandpaper strip as shown above. l. Place the left side of the new sandpaper under the left Locking Block (173) and tighten. The left side of the sandpaper must be flush with the Drum (178) edge (not over hanging). m.Start wrapping the sandpaper around the Drum so there are no air bubbles and no over-lapping edges. n.
Test by pressing in the middle with a moderate amount of force. b. Turn off the sander and un-plug the power cord. c. Remove the pulley/V-Belt Side Cover (82). d. Check the V-Belts for signs of wear, deterioration or cracking. If any signs are visible, replace with a new belt. e. The Feed V-belt (99) is tensioned by loosening the Motor Bracket (100) screws and sliding the motor downward to tighten the V-Belt. f.
Maintenance And Servicing Dust Bag Procedures not specifically explained in this manual must be performed only by a qualified technician. To prevent serious injury from accidental operation: Turn the Power Switch of the tool to its “OFF” position and unplug the tool from its electrical outlet before performing any inspection, maintenance, or cleaning procedures. To prevent serious injury from tool failure: Do not use damaged equipment.
Replacing V-belts 1. Disconnect the Drum Sander from the electrical outlet. 2. Open the Side Cover (82). 3. To replace the variable-speed Drive Belt (97), loosen the cap screw securing the variable-speed Pulley (26, 28) before loosening the motor mount cap screws. 2. Open the Pulley Cover (108). 3. If possible put a straightedge against the pulley faces or sight downward across the motor pulley and the feed pulley. 4.
off and perform tracking adjustment again. 3. The belt should no longer move to one side during continuous use. The Conveyor Table (137) should not move up or back and forth 4. Do not over tighten the Feed Belt. 5. Lock the Feed Belt tensioning bolts by tightening the lock nuts. Conveyor Table Adjustments 1. Disconnect the power cord from the electrical outlet. 2. Remove the sandpaper from the drum and place previously prepared gauge blocks at either side of the Feed Belt (165). a.
5. To adjust the rear Pressure Plate: a. Disconnect the power cord from the outlet. b. Loosen the lock nuts and tighten the cap screws on both ends of the rear of the Pressure Plate (84) to raise or loosen to lower the plate. c. Adjust until the rear of the Pressure Plate (84) until it is at or up to 0.004” lower than the drum. To adjust the front of the Pressure Plate: d. Disconnect the Drum Sander. e.
Wiring Diagram MOTOR Motor Thermal Circuit Breaker Start Capacitor 1 3 5 2 4 6 Power ON/OFF Switch 120V The colored wires connected to the motor are not specified because they are interchangeable. White Black Ground SKU 98198 For technical questions, please call 1-800-444-3353.
Troubleshooting Problem Possible Causes Likely Solutions 1. Plug/outlet faulty or wired wrong. 1. Test plug and outlet for good contact and correct wiring. 2. Start capacitor is faulty. 2. Test capacitor and replace if necessary. 3. Motor connection incorrectly 3. Correct motor wiring. wired. 4. Power supply is faulty, or is 4. Make sure hot lines and grounds are switched off. operational and have correct voltage on all Tool will not legs. start or trips the 5. Safety switch key is at fault. 5.
Troubleshooting Cont. Problem Possible Causes 1. Motor or component is loose. 2. V-belts are worn or loose. 3. Motor fan is rubbing on fan cover. 4. Pulley is loose. Likely Solutions 1. Inspect for stripped/damaged bolts/nuts, replace/re-tighten with thread locking fluid. 2. Inspect belts, replace and re-tension. 3. Replace dented fan cover/damaged fan. 4. Remove pulley, replace shaft, pulley, setscrew and key as required and realign. 5.
Problem Possible Causes 1. Possibly a nail/staple in Sandpaper on workpiece. Drum tears during operation 2. Sandpaper not tightened or fastened correctly. 1. Table lift screws are dirty or loaded with sawdust. Table elevation controls are 2. Chain idler sprocket Cap Screws stiff and hard to have been over tightened. adjust. 3. Elevation handle helical gear is dirty or loaded with sawdust. Likely Solutions 1. Sand only clean workpieces. 2. Install the sandpaper correctly. 1.
PART 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 PART NAME SPRING WASHER PAN HEAD SCREW FLAT WASHER HEX SOC HD SCR BEARING RETAINER BEARING BRACKET HEX SOC HD SCR CROSS PAN HEAD SCREW C-RING SPRING WASHER SPONGE STRIP SPONGE STRIP HEX WRENCH HEX WRENCH HEX WRENCH HEX SOC HD SCR FLAT WASHER PULLEY PULLEY SPRING SPACER BEARING(6003ZZ) SHAFT BEARING(6002ZZ) THRUST BALL BEARING(51105) PULLEY BELT(400VK15-22) PULLEY DRIVE BUSHI
97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 BELT(A46) PULLEY BELT(026) MOTOR BRACKET LOWER CASTING SHAFT HAND WHEEL KEY WAY SWITCH SPROCKET HEX SCR HD SCR PULL COVER BEARING(6904ZZ) EXT RET RING BEARING COVER PAN HEAD SCREW HELICAL-CUT GEAR SET SCREW WORM BRACKET HEX SOC HD SCR SIDE COVER TAP SCREW PAN HEAD SCREW DUST COVER FIXED COLLAR EXT RET RING SPROCKET FEED
193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 208.
ASSEMBLY DIAGRAM SKU 98198 For technical questions, please call 1-800-444-3353.
Limited 1 year / 90 Day warranty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that for a period of ninety days from date of purchase that the engine/motor, the belts (if so equipped), and the blades (if so equipped) are free of defects in materials and workmanship.
