Page 3 - TABLE OF CONTENTS
G8793 12" Double Disc Sander -1- TABLE OF CONTENTS PAGE 1. SAFETY RULES SAFETY INSTRUCTIONS FOR POWER TOOLS . . . . . . . . . . . . . . . . . . . . . . . . .2-3ADDITIONAL SAFETY INSTRUCTIONS FOR THE SANDER . . . . . . . . . . . . . . . . .4 2. CIRCUIT REQUIREMENTS 110V OPERATION . . . . . . . . ...
Page 4 - Safety Instructions For Power Tools; For Your Own Safety Read Instruction
-2- G8793 12" Double Disc Sander SECTION 1: SAFETY Safety Instructions For Power Tools 5. KEEP CHILDREN AND VISITORSAWAY. All children and visitors should be kept a safe distance from work area. 6. MAKE WORK SHOP CHILD PROOF with padlocks, master switches, or by removingstarter keys. 7. DON’T FO...
Page 6 - Additional Safety Instructions For The Sander
-4- G8793 12" Double Disc Sander Additional Safety Instructions For The Sander 1. Be aware of belt or disc rotation directionwhen sanding. 2. Keep fingertips away from moving parts. 3. Never use excessive force when sanding.Doing so greatly increases the chance ofpersonal injury, mechanical dama...
Page 7 - SECTION 2: CIRCUIT REQUIREMENTS
G8793 12" Double Disc Sander -5- 220V Operation The motor supplied with the G8793 can be oper-ated at either 110V or 220V. The motor comespre wired for 110V. Refer to the wiring diagraminside the motor cover for information about con-verting to operate at 220V. If converting to operate at 220V, ...
Page 8 - Grounding; Extension Cords
-6- G8793 12" Double Disc Sander Grounding This equipment must be grounded. Verifythat any existing electrical outlet and circuityou intend to plug into is actually ground-ed. If it is not, it will be necessary to run aseparate 12 A.W.G. copper grounding wirefrom the outlet to a known ground. Un...
Page 9 - SECTION 3: GENERAL INFORMATION; Commentary
G8793 12" Double Disc Sander -7- SECTION 3: GENERAL INFORMATION Grizzly Industrial, Inc. is proud to offer the ModelG8793 12" Double Disc Sander. This sander is apart of Grizzly’s growing family of fine woodwork-ing machinery. When used according to theguidelines set forth in this manual, yo...
Page 13 - Attaching Sandpaper
G8793 12" Double Disc Sander -11- Attaching Sandpaper The sanding disc sticks to the surface of the castiron disc using the pressure sensitive adhesivebacking (PSA) on the reverse side of the sand-paper disc. The sandpaper can be replaced with-out removing either the table or the dust port. Peel...
Page 14 - SECTION 5: ADJUSTMENTS; Tables; Miter Gage
-12- G8793 12" Double Disc Sander SECTION 5: ADJUSTMENTS Tables The tables should be adjusted so they are per-pendicular to the face of the sanding disc whenthe table tilt is set to 0˚. Using a try square ormachinist’s square, set one edge of the table sur-face and the other against the face of ...
Page 15 - SECTION 6: OPERATIONS; Table Tilt
G8793 12" Double Disc Sander -13- SECTION 6: OPERATIONS The cast iron disc accepts 12" diameter cloth orpaper-backed PSA sanding discs. These areavailable in a variety of grits. See the currentGrizzly catalog for prices and ordering informa-tion. Please review all safety rules for sanders an...
Page 16 - Disc Sanding; Miter Sanding
-14- G8793 12" Double Disc Sander Operating this equipment has the potentialto propel debris into the air which cancause eye injury. Always wear safety glass-es or goggles when operating equipment.Everyday glasses or reading glasses onlyhave impact resistant lenses, they are notsafety glasses. B...
Page 17 - SECTION 7: MAINTENANCE
G8793 12" Double Disc Sander -15- SECTION 7: MAINTENANCE Tables The tables and other non-painted surfaces on theModel G8793 should be protected against rustand pitting. Wiping the sander clean after everyuse ensures that moisture from wood dust isn’tallowed to trap moisture against bare metal su...
Page 18 - Attaching Disc
-16- G8793 12" Double Disc Sander Dust Ports The dust port mounts beneath the table, with theport directed downward, and is attached with four(4) Phillips ® head screws. See Figure 12. Attaching Disc Guard Place the disc guard over the disc and use twoPhillips ® head screws to hold in place. See...
Page 20 - GRIZZLY MODEL G8793 DOUBLE DISC SANDER; MACHINE DATA
-18- G8793 12" Double Disc Sander Design Type .................................................................................................... Floor Model Overall Dimensions: Height .................................................................................................................
Page 21 - TROUBLESHOOTING
G8793 12" Double Disc Sander -19- SYMPTOM Motor will not start. Motor will not start;fuses or circuit break-ers blow. Motor fails to developfull power (power out-put of motor decreas-es rapidly withdecrease in voltage atmotor terminals). Motor overheats. Motor stalls (resultingin blown fuses ort...
Page 22 - G8793 DISC SANDER PARTS DIAGRAM
-20- G8793 12" Double Disc Sander ON OFF 20 15 37 5 28 4 26 16 8 17 11 18 13 25 24 33 34 6 7 14 27 10 12 1 29 30 38 39 49 27 19 14 41 22 20 3 15 5 4 13 11 35 2 21 53 2 28 35 37 21 53 36 36 31 8 16 26 17 41 22 23 23 31 40 42 42 47 48 19 18 25 3 16 26 8 16 26 50 49 10 50 60 61 62 63 64 65 36 54 55...
Page 23 - G8793 DISC SANDER PARTS LIST
G8793 12" Double Disc Sander -21- 001 P8793001 BASE 002 P8793002 DISC HOUSING 003 P8793003 DISC 004 P8793004 DUST PORT 005 P8793005 DISC TABLE 006 P8793006 MOTOR ASSEMBLY 007 P8793007 MOTOR SUPPORT 008 P8793008 BUSHING, POINTER 010 P8793010 SHAFT 011 P8793011 NUT 012 P8793012 STAND 013 P8793013 ...
Page 24 - WARRANTY AND RETURNS
-22- G8793 12" Double Disc Sander Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse,negligence, accidents, repairs or alterations...
Page 25 - WARRANTY CARD
G8793 12" Double Disc Sander -23- CUT ALONG DOTTED LINE 10. Which benchtop tools do you own? Check all that apply. ___1" x 42" Belt Sander ___6" - 8" Grinder ___5" - 8" Drill Press ___Mini Lathe ___8" Table Saw ___10" - 12" Thickness Planer ___8" - 10"...
