National 3425, Instruction Manual

Page 1: ...Manual Before Operating Machine 9250 XYLON AVENUE NORTH MINNEAPOLIS MN 55445 U S A 800 245 0267 763 535 8206 FAX 763 535 8255 FAX 800 648 7124 WEB SITE www nationalequipment com E MAIL info nationaleq...

Page 2: ...re 10 17 A Grinder Mode 10 B Edger Mode 10 C Plate or Cup Wheel Attachment 11 D Plate Removal 12 E Shroud 12 13 F Wheel Adjustment 14 15 G Handle 15 H Belt 16 I Pulley Change Out 16 J Vacuum Port 17 K...

Page 3: ...PER ACCESSORIES Using accessories that are not recommended may be hazardous Be sure accessories are properly installed and maintained Do not delete a guard or other safety device when installing an ac...

Page 4: ...ied by OSHA WARNING Always wear respirator protection appropriate for the application as specified by OSHA regulations and your employer Never operate or maintain equipment before reading and understa...

Page 5: ...e connected to a permanent ground such as a properly grounded outlet box or receptacle Simply remove the center screw from the outlet insert the adapter and reattach the screw through the green ground...

Page 6: ...you are using an extension cord outdoors make sure it is marked with the suffix W A W in Canada to indicate that it is acceptable for outdoor use Be sure your extension cord is properly wired and in g...

Page 7: ...source before transporting Loosening Handle Securing T Bolts to slide handle down to make machine easier to load Retighten T Bolts when handle is at the desired height Disconnecting handle cord from t...

Page 8: ...gth and properly tighten both locking T bolts See Figure 2 Plug handle cord into motor cord See Figure 3 Make sure both T Bolts engage handle at all times SET UP WARNING Handle must be engaged with bo...

Page 9: ...erson if you are in doubt as to whether the outlet is properly grounded DO NOT modify the plug provided with this unit If it will not fit the outlet have a proper outlet installed by a qualified elect...

Page 10: ...ld cause severe bodily injury or property damage Wheels are independently adjustable in height which allows for pressure to be applied at any point of the plate or cup wheel Refer to wheel adjustment...

Page 11: ...ure 4 WARNING Never operate machine with a plate or cup wheel attachment that is not rated at a minimum of 1725 RPM Never operate machine with plate or cup wheel larger than 10 diameter with a 10 shro...

Page 12: ...proper footing and balance at all times Maintain a firm grip Know who and what is around you WARNING This machine is designed to run plates or cup wheels with a 5 8 arbor No larger than a 10 diameter...

Page 13: ...al for specific instructions PROCEDURE Figure 10 Figure 9 Shroud securing screws Shroud securing screws Figure 11 Securing clip DO NOT OVERREACH MAINTAIN CONTROL Keep proper footing and balance at all...

Page 14: ...ustment knob to the desired height of the height and angle assembly See Figure 14 This will adjust the level of the machine Check the built in level on the front of the machine to see if pressure is b...

Page 15: ...e handle and wheels rotated to the left will run the machine to the left Retighten the handle securing bolt HEIGHT Handle allows for 7 1 2 of adjustment depending on operator height Loosen the two han...

Page 16: ...pulleys See Figure 22 When proper tension on the belt is achieved retighten the four motor base bolts Replace the cover PULLEY CHANGE OUT The machine comes set up with a large pulley and a small pulle...

Page 17: ...issions of hazardous particulates or explosion due to fine dust ie wood sanding which is flammable Make sure the system you are using complies or exceeds OSHA recommended standard Make sure the rubber...

Page 18: ...tches guards belts etc MAINTAINING TOOLS Keep your tool in good repair by adopting a regular maintenance program Before use examine the general condition of your tool Inspect guards switches tool cord...

Page 19: ...a and household detergents containing ammonia Never use flammable or combustible solvents around machinery REPAIRS If your tool is damaged call for a return repair authorization number and return to N...

Page 20: ...heavier 50 or less 2 Move to a different outlet or a better circuit MOTOR WILL NOT RUN 1 Check for a blown fuse and or circuit breaker at the electrical panel 2 Overload switch has been tripped 3 Def...

Page 21: ...PLATE 3427 10 SHROUD ONLY 3428 7 SHROUD ONLY 3429 FLOWER WASHER ASSEMBLY INCLUDES SCREWS 3429 1 FLOWER WASHER ONLY 3431 10 FLAT PLATE 6274 166D HANDLE CAP 6274 166G HANDLE SWITCH PLATE 6274 166H HANDL...

Page 22: ...74401 10 32 X 1 4 PHILLIPS PAN HEAD MACHINE SCREW 2 74413 10 INTERNAL LOCK WASHER 73515 5 8 11 X 1 1 2 HEXHEAD BOLT 73525 5 8 11 NYLON LOCK NUT 73902 3 16 X 3 16 X 1 3 4 KEY 80101 HANDLE END CAP 2 LAB...

Page 23: ...3425 1 Handle Bracket 3425 7 Handle Only No Wiring 3425 166 Handle Body Wired Complete 6274 171 Power Cord 6274 172 Power Cord Plug Male PART DESCRIPTION 6274 173 Handle Cord 6274 175 Strain Relief 2...

Page 24: ...ap 6274 166G Handle Switch Plate 6274 166H Handle Control Lever 6274 191 Handle Switch 73008 Lever Securing Nylock Nut 1 4 20 73017 1 4 20 2 1 2 Hex Head Bolt 74401 10 32 x 1 4 Phillips Pan Head Machi...

Page 25: ...er Cord Plug Male 6274 176 Motor 110V 1 1 2 HP 6274 176W Motor 220V 1 1 2 HP Not Shown 6274 185 Motor Fan Cover PART DESCRIPTION 6274 186 Motor Fan Not Shown 6274 187A Capacitor Start Not Shown 6274 1...

Page 26: ...Page 26 TRANSPORTATION PART NUMBERS DIAGRAMS PART DESCRIPTION 3425 40L Wheel Assembly Left 3425 40R Wheel Assembly Right WHEEL PARTS 40R 40L...

Page 27: ...RT DESCRIPTION 3425 19L Wheel Shaft Left 3425 19R Wheel Shaft Right 3425 20 Wheel 2 3425 21 Wheel Spacer 3425 41 Wheel Adjustment Assembly 2 73402 1 2 13 Nylon Lock Nut 2 73404 1 2 Flat Washer 2 WHEEL...

Page 28: ...20 x 5 8 Socket Head Cap Screw 4 73101 1 8 Spacer PART DESCRIPTION 73203 3 8 Flat Washer 4 73204 3 8 Split Washer 4 73205 3 8 16 x 3 4 Hexhead Bolt 4 73240 3 8 16 T Bolt 2 73403 1 2 Split Washer 73404...

Page 29: ...Shroud Securing Eyelet 3425 27A Hook and Eyelet 10 Nut 2 PART DESCRIPTION 3425 45 Level 73001 1 4 20 x 1 2 Wizlock Bolt 5 73204 3 8 Split Lock Washer 4 73205 3 8 16 x 3 4 Hexhead Bolt 4 74413 10 Inter...

Page 30: ...27 10 Shroud Only 3428 7 Shroud Only 3429 Flower Washer Assembly includes screws PART DESCRIPTION 3429 1 Flower Washer Only 3420 2 7 Cup Wheel 3431 10 Flate Plate 73038 1 4 20 x 1 2 Flat Head Phillips...

Page 31: ...L104A Moving Parts Label L104B Read Understand Label L104D Properly Grounded Label PART DESCRIPTION L141 Flag Label Made in USA L176 National Label L235 3425 Grinder Edger Label L265 Silica Dust Labe...

Page 32: ...and exclusive warranties granted by National and shall be the sole and exclusive remedy available to the purchaser Correction of defects in the manner and for the period of time described herein shall...

Page 33: ...ne Repair Do you wish to be contacted before repairing Yes No Return Contact National if a loaner is needed Return Authorization Number Date Customer Number Purchased From required contact National IN...