operating manual & parts list 82082A & 82102A
8″ & 10″ BENCH GRINDER
Read carefully and follow all safety rules and operating instructions before first use of this product.
32647.09-1010 Palmgren Operating Manual & Parts List 82082A & 82102A Your risk from these exposures vary, depending on how often you DESCRIPTION do this type of work. To reduce your exposure to these chemicals: work in a well ventilated area and work with approved safety Palmgren Bench Grinders are equipped with a totally enclosed ball equipment. Always wear OSHA/NIOSH approved, properly fitting bearing motor. Armature assembly is dynamically balanced for face mask or respirator when using such tools. smooth operation. Motor housing is compact so long pieces of work can press against both wheels without touching the motor BE PREPARED FOR JOB frame. Removable wheel guards allow for easy changing of wheels. • Wear proper apparel. Do not wear loose clothing, gloves, neck- Two-way tool rests are adjustable for wheel wear and angle grind- ties, rings, bracelets or other jewelry which may get caught in ing. Grinders come complete with spark guards, safety eyeshields moving parts of machine. and dust collection hose. • Wear protective hair covering to contain long hair. • Wear safety shoes with non-slip soles. UNPACKING • Wear safety glasses complying with United States ANSI Z87.1. Everyday glasses have only impact resistant lenses. They are Check for shipping damage. If damage has occurred, a claim must NOT safety glasses. be filed with the carrier immediately. Check for completeness. • Wear face mask or dust mask if operation is dusty. Immediately report missing parts to dealer. • Be alert and think clearly. Never operate power tools when To be certain the grinding wheels have not been damaged in ship- tired, intoxicated or when taking medications that cause ment, strike the edges slightly with a metal object. A ringing sound drowsiness. indicates a good wheel, but a dull noise may signal a fracture. PREPARE WORK AREA FOR JOB WARNING: If you suspect a wheel of being fractured, replace it • Keep work area clean. Cluttered work areas and work benches immediately. Fractured wheels may shatter, causing serious injury. invite accidents. SPECIFICATIONS • Do not use power tools in dangerous environments. Do not use power tools in damp or wet locations. Do not expose power 82082A-8” Bench Grinder tools to rain. 3 • Horsepower ...... /4 Work area should be properly lighted. Voltage ...... 220/440 • Proper electrical plug should be plugged directly into properly Amperes ...... 2.2/1.1 grounded, three-prong receptacle. Hertz ...... 60 • Extension cords should have a grounding prong and the three Phase ...... Three wires of the extension cord should be of the correct gauge. • RPM ...... 3450 Keep visitors at a safe distance from work area. Rotation (viewed from left side) ...... Clockwise • Keep children out of the workplace. Make workshop childproof. Wheel diameter ...... 8” Use padlocks, master switches or remove switch keys to pre- 5 vent any unintentional use of power tools. Wheel bore ...... /8” 82102A-10” Bench Grinder TOOL SHOULD BE MAINTAINED • Horsepower ...... 1 Always unplug tool prior to inspection. • Voltage ...... 220/440 Consult manual for specific maintaining and adjusting proce- Amperes ...... 3.3/1.65 dures. • Hertz ...... 60 Keep tool clean for safest operation. • Phase ...... Three Remove adjusting tools. Form habit of checking to see that RPM ...... 1725 adjusting tools are removed before turning machine on. • Rotation (viewed from left side) ...... Clockwise Keep all parts in working order. Check to determine that the guard or other parts will operate properly and perform their Wheel diameter ...... 10” intended function. Wheel bore ...... 1” • Check for damaged parts. Check for alignment of moving parts, SAFETY RULES binding of moving parts, breakage of parts, mounting and any other condition that may affect a tool’s operation. • A guard or other part that is damaged should be properly WARNING: For your own safety, read operating instructions man- repaired or replaced. Do not perform makeshift repairs. (Use ual before operating tool. the parts list to order replacement parts.) CAUTION: Always follow proper operating procedures as defined in this manual even if you are familiar with use of this or similar tools. KNOW HOW TO USE TOOL Remember that being careless for even a fraction of a second can • Use right tool for job. Do not force tool or attachment to do a result in severe personal injury. job for which it was not designed. WARNING: Some dust created by power sanding, sawing, grind- • Disconnect tool from power when changing accessories such ing, drilling and other construction activities contains chemicals as grinding wheels, buffing wheels and the like. known to cause cancer, birth defects or other reproductive harm. • Avoid accidental start-up. Make sure that the switch is in the off Some examples of these chemicals are: position before plugging in. • • Lead from lead-based paints. Do not force tool. It will work most efficiently at the rate for which it was designed. • Crystalline silica from bricks and cement and other masonry • products. Keep hands away from moving parts and grinding surfaces. • Never leave a tool running unattended. Turn the power off and • Arsenic and chromium from chemically-treated lumber. do not leave tool until it comes to a complete stop. 2 Palmgren Operating Manual & Parts List 82082A & 82102A • Do not overreach. Keep proper footing and balance. TOOL REST ASSEMBLY • Never stand on tool. Serious injury could occur if tool is tipped • Place tool rest (D) over tool rest bracket and secure in position 5 over. with /16-18 x 1” knob (F). • Know your tool. Learn the tool’s operation, application and spe- • Attach tool rest bracket to the bottom of the left wheel guard cific limitations. using one 3⁄8-16 x 3⁄4” hex head bolt (A) and one 3⁄8” flat washer • Use recommended accessories. Understand and obey all safety (B). Make sure that the slot of the braket is located over the instructions supplied with accessories. The use of improper raised boss on the guard. Tight bolts finger tight. accessories may cause risk of injury to persons. • Position tool rest so that distance between tool rest and grind- 1 ing wheel is less than /16”. Reposition angle of tool rest if neces- • Do not over tighten wheel nut. Replace cracked wheel immedi- sary. Secure all knobs and bolts. ately. Use only flanges supplied with the grinder. • 1 Mount right tool rest in a similar manner. • Adjust distance between wheel and tool rest to maintain /16” or less gap. EYESHIELD ASSEMBLY
• Handle the workpiece correctly. Whenever possible, use tool • Attach spark guard (L) to left wheel guard using 3⁄8-16 x 1⁄2” 3 rest to support workpiece during grinding operation. Turn tool knob (M) and /8” flat washer (B). off if it jams. • Mount left upper eyeshield bracket (H) to eyeshield (I) using • Always use guards and eyeshields. two #10-24 x 3⁄8” pan head screws (G) and lower eyeshield • Clean grinding dust from beneath tool frequently. bracket. NOTE: Left upper eyeshield bracket is stamped “L” for identification.
1 1 ASSEMBLY • Slide /4-20 x /2” knob (K) through hole at top of left spark guard (L) into upper upper eyeshield bracket (H) and secure in Parts to be fastened to the unit should be located and accounted position. for (See List and Figure 1). • Locate eyeshield in desired position for protecting operator IMPORTANT: Do not attempt assembly if parts are missing. Use and secure all knobs and bolts. this manual to order replacement parts. • Mount right eyeshield assembly in a similar manner. 3 3 A /8-16 x /4” Hex head bolt, 2 each 3 DUST COLLECTOR HOSE B /8” Flat washer, 4 each • A dust collector hose has been provided with grinder. Slide C Tool rest bracket (left & right), 2 each hoses onto sides of T-connector and flanges. Mount the hose D Tool rest (left & right), 2 each by sliding the flanges at each end over the exhaust ports on 5 E /16” Flat washer, 2 each the left and right wheel guards. Attach 2½” shop vacuum hose 5 F /16-18 x 1” Knob, 2 each to collector hose. Be sure hose is mounted securely. G #10-24 x 3⁄8” Pan head screw, 4 each DANGER: Be sure to empty shop vacuum of all flammable materi- H Upper eyeshield bracket (left & right), 2 each al (flammable liquids and vapors, paper, wood, plastic, etc.) before I Eyeshield, 2 each connecting vacuum to grinder. Hot sparks from grinder may ignite J Lower eyeshield bracket, 2 each flammable materials in shop vacuum. 1 1 K ⁄4-20 x ⁄2” Knob, 2 each INSTALLATION L Spark guard (left & right), 2 each 3 1 M /8-16 x ⁄2” Knob, 2 each Dust collector hose not shown. MOUNT GRINDER • Mount grinder to a solid horizontal surface (hardware not pro- I J vided). If mounted to metal pedestal, align mounting holes H 1 with corresponding holes in pedestal. Insert a /4-20 x 1¼” hex G head bolt with flat washer through base of grinder. From bot- 1 1 K tom of pedestal, place a /4” flat washer and /4”-20 hex nut onto the bolt. Tighten only until space between grinder base and 1 pedestal is /8” (base should be flush for 82102A). Using second nut on each bolt, jam tighten against the first to prevent loos- ening by vibration. 1 M • To mount grinder to wooden bench top, use /4 x 1¼” wood L B screws with flat washers beneath heads. Tighten screws until 1 space between grinder base and bench top is /8” (base should be flush for 82102A). C GROUNDING INSTRUCTIONS D B WARNING: Improper connection of equipment grounding con- A ductor can result in the risk of electrical shock. Equipment should be grounded while in use to protect operator from electrical shock. • E Check with a qualified electrician if grounding instructions are not understood or if in doubt as to whether the tool is properly F grounded. • Inspect tool cords periodically, and, if damaged, have them Figure 1 –Left Tool Rest and Eyeshield Assembly repaired by an authorized service facility.
3 Palmgren Operating Manual & Parts List 82082A & 82102A INSTALLATION (CONTINUED) OPERATION • Green (or green and yellow) conductor in the cord is the grounding wire. Never connect the green (or green and yellow) WARNING: Always wear safety glasses complying with United wire to a live terminal. States ANSI Z87.1 (shown on package) before commencing power • Many cover plate screws, water pipes and outlet boxes are not tool operation. properly grounded. To ensure a proper ground, the grounding • Keep a steady, moderate pressure on the work and keep it means must be tested by a qualified electrician. moving at an even pace for smooth grinding. EXTENSION CORDS • Pressing too hard overheats the motor and prematurely wears • The use of any extension cord will cause some drop in voltage down the grinding wheels. and loss of power. • Note the original bevel angle on the item to be sharpened and • Wires of the extension cord must be of sufficient size to carry try to maintain that angle. Sharpening a cutting edge requires the current and maintain adequate voltage. removing burrs from edge. • Running the unit on voltages which are not within ±10% of the • Deburring edge is done best by using the grinder to pull burr specified voltage may cause overheating and motor burn-out. from edge across the bevel angle. • Use the table to determine the minimum wire size (A.W.G.) • The grinding wheel should rotate into object being sharpened. extension cord. • Dip work into a coolant regularly to prevent overheating. • If the extension cord is worn, cut or damaged in any way, Overheating can weaken metals. replace it immediately. MAINTENANCE EXTENSION CORD LENGTH for Model 82082A Wire Size ...... A.W.G. • As wheels wear, tool rests should be positioned closer to the Up to 25 ft...... 18 face of the wheels. NOTE: Using extension cords over 25 ft. long is not recommended. • The gap between the wheel and the tool rest should not be 1 EXTENSION CORD LENGTH for Model 82102A greater than /16”. When the wheels are worn to the extent that 1 the /16” maximum gap cannot be maintained, the wheels Wire Size ...... A.W.G. should be replaced. Up to 25 ft...... 16 • Replacement wheels should have a minimum rated speed of at NOTE: Using extension cords over 25 ft. long is not recommended. least 3600 RPM for 82082A and 1800 RPM for 82102A. ELECTRICAL CONNECTIONS • Maximum wheel diameter for 82082A is 8”, and 10” for 82102A. WARNING: All electrical connections must be performed by a • To loosen nuts holding the wheels, disconnect power and push qualified electrician. Make sure tool is off and disconnected from a wood wedge between the tool rest and the wheel to keep power source while motor is mounted, connected, reconnected or the shaft from turning. The threads on the right side of the anytime wiring is inspected. grinder (facing unit) are right hand; threads on the left side are • Grinder is prewired at the factory for 220 volt, 3-phase left hand. Tighten nuts securely before operating the grinder. operation. See Figure 2 for wiring diagram. • For grinding efficiency, wheels should be dressed periodically, • Grinder can be wired for 440 volt, 3-phase operation. especially if they become clogged from grinding soft metals. See Figure 2 for wiring diagram for 440 volt. • Test grinder to be sure grinding wheels rotate downward toward tool rests. Switch any two leads to reverse rotation if needed. VOLTAGE CHANGE DIAGRAM 4 546 5 6
7 8 9 7 8 9
1 23 1 23
220 VOLTS 440 VOLTS DISCONNECT FROM SUPPLY CIRCUIT BEFORE OPENING Figure 2 – Wiring Diagram
4 Palmgren Operating Manual & Parts List 82082A & 82102A TROUBLESHOOTING
SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION Grinder won’t start 1. Blown line fuse or tripped circuit breaker 1. If fuse is blown, replace with fuse of proper size. If breaker tripped, reset it 2. Low line voltage 2. Check power supply for voltage and correct as needed 3. Material wedged between wheel 3. Turn grinder off and remove material and guard 4. Defective switch 4. Replace switch Excessive vibration 1. Improper mounting of grinder or 1. Remount accessories 2. Grinding wheel out of balance 2. Dress wheels or replace wheels 3. Improper wheel mounting 3. Remount wheels, but rotate one wheel 90º with respect to its previous position. Other wheel should remain in its original position Motor overheating 1. Excess pressure required to grind material 1. Dress wheel or replace wheel with one of proper grit 2. Grinding on side of wheel 2. Grind only on face of wheel 3. Motor not turning freely (without power) 3. Clean around wheels and shaft and/or replace bearings Fuses are being blown or 1. Overloading due to binding 1. Clean around wheels and shaft and/or circuit breakers are being tripped replace bearings 2. Defective plug 2. Replace plug 3. Defective cord 3. Replace cord 4. Defective switch 4. Replace switch 5. Motor wired for different line voltage 5. Rewire motor as per wiring diagram, (See Installation, Page 4) 6. Faulty internal wiring 6. Contact your Palmgren distributor Motor does not develop proper torque 1. Motor wired for different line voltage 1. Rewire motor as per wiring diagram, (See Installation, Page 4)
5 82082A 1 4 16 15 18 5 17 27 13 9 25 23 7 12 22 45 2 23 39 46 10 26 23 37 35 3 38 29 45 19 12 36 20 24 30 40 34 44 41 42 33 45 43 32 13 12 31 2 47 17 30 20 29 14 40 24 28 11 12 19 3 25 27 23 21 7 23 23 8 5 6 4 1 Palmgren Operating Manual List Operating & Parts Palmgren 6 82082A GRINDER
BENCH ” Operators ManualOperators Accessories Recommended StandTool iron Cast 32647.09 70101 1 1 8 FOR Ref.No. Description Number Part Qty. 2627 screw 5-0.8 x 228mm Flange 28 screw Flange 1/4-20 x 1/2” 29 5-0.8mm Hex nut30 Endshield31 Bearing 6204ZZ32 fan Motor 33 Armature34 with housing Stator 35 Grommet36 16654.00 Line cord37 – relief Strain 38 screw Flange #10-24 x1/2” 39 Base40 4 Switch41 * washer #10 Serrated 42 washer Lock 1/4” 43 00989.00 6 1/4”-20 Hex nut 44 16627.02 Base bumper45 † Base cover46 01620.00 screw Flange #10-24 x 1/4” 47 † 4 2 03211.00 plate Switch 2 Dust collector hose 01066.00 1 08098.00 04055.00 1 1 * 2 1 * 1 24475.02 1 00100.00 * 03210.00 23991.00 5 1 24500.00 1 9 08070.00 2 08099.00 4 2 1 1 1 Δ Δ
LIST
RTS A P
CEMENT A REPL Not Shown. 12 head screw Pan x 1/2” #10-24 3 Hex head bolt 3/8-16 x 3/4” 4 (set of 2) guard Spark 5 cover guard Wheel 6 Flange7thread) 5/8”-11 Hex nut (LH 8 wheel flange Inner 9 grit) Grinding wheel (36 coarse grit) * Grinding wheel (60 med. * 25815.00 00088.00 10 24496.02 02038.00 2 02037.00 1 24498.00 1 2 24497.00 1 1 2 2 † part. as repair available Not * locally. available item hardware Standard Δ Ref.No. Description Number Part Qty. 1011 block Terminal 12 Bracket (left)13 washer Flat 3/8” 14 Knob 5/16-18 x 1” 15 (left) rest Tool 16 (right) rest Tool 17 5/8”-11 Hex nut (RH thread)18 washer Flat 5/16” 19 Bracket (right)20 Knob 1/4-20 x 1/2” 21 washer Wavy 22 bracket (left) Upper eyeshield 23 bracket (right) Upper eyeshield 16899.0024 kit Eyeshield 25 31447.00 * Knob 3/8-16 x 1/2” 25812.00 00087.00 Wheel guard 1 25813.00 25825.00 1 2 * 1 25177.00 25188.00 4 25816.00 31448.00 1 1 16640.00 1 1 2 1 2 25817.00 32290.00 2 26056.00 2 1 2 Palmgren Operating Manual List Operating & Parts Palmgren 7 Palmgren Operating Manual & Parts List 82102A
1 23 4 23 22 23 9 24 19 5
7 3 20 25
12 27 41 19 43
3 20 33 28 23 18
32 26 29 8 23 12 31 30 30 12 35 16 34 36 2 21 37 17 23 15 14 25 29 8 38 7 2 28 12 4 5 39 6 41 41 14 1 27 11 17 42 13 40 45 46 44 45
10
37 45
Figure 4 - Replacement Parts Illustration for 10” Bench Grinder 82102A GRINDER
BENCH ” Operators ManualOperators Accessories Recommended StandTool iron Cast 32647.09 70101 1 1 10 Ref.No. Description Number Part Qty. 2627 washer Wavy 28 5/16-18 x 5/8”Hex head bolt29 1/4-20 x 2”Flange screw30 Endshield31 Bearing 6206ZZ32 fan Motor 33 Armature34 with housing Stator 35 Grommet36 Line cord37 * relief Strain 38 #10-24 x 3/8”Flange screw39 * Base40 16620.00 Switch41 washer #10 Serrated 42 5/16”Lock washer43 6 00297.00 5/16”-18 Hex nut 44 1 16913.02 Dust collector hose45 † 8 Base cover46 01639.00 #10-24 x 1/4”Flange screw † 2 * plate Switch 2 16916.00 1 08186.00 01601.00 1 * 2 1 3 * 1 16917.02 1 * 00100.00 08070.02 * 1 1 16919.00 1 1 10 08099.00 4 9 1 1 Δ Δ FOR
LIST
RTS A P
CEMENT A REPL Not Shown. 12 x 3/4”Pan #10-24 head screw3 3/8-16 x 3/4”Hex head bolt4 (set of 2) guard Spark 5 cover guard Wheel 6 Flange7 1”-8 Hex nut (LH thread)8 wheel flange Inner 9 grit) Grinding wheel (36 coarse grit) Grinding wheel (60 med. * * 25815.00 16911.02 10 00111.00 02040.00 2 02039.00 1 24481.00 2 24480.00 1 1 1 2 2 Δ † part. as repair available Not * locally. available item hardware Standard Ref.No. Description Number Part Qty. 1011 block Terminal 12 Bracket (left)13 3/8”Flat washer14 (left) rest Tool 15 Knob 5/16-18 x 1” 16 plate relief Strain 17 (right) rest Tool 18 5/16”Flat washer19 Bracket (right)20 Knob 1/4-20 x 1/2” 21 Knob 3/8-16 x 1/2” 22 bracket (left) Upper eyeshield 23 bracket (right) Upper eyeshield 16899.0024 kit Eyeshield 25 26290.00 * 1”-8 Hex nut (RH thread) Wheel guard 25812.00 25813.00 1 08172.00 1 25825.00 * 25177.00 2 1 25188.00 25816.00 4 26291.00 1 25817.00 1 1 00110.00 1 2 1 2 2 32290.00 1 26057.00 1 2 Palmgren Operating Manual List Operating & Parts Palmgren 9 Palmgren Operating Manual & Parts List 82082A & 82102A NOTES
10 Palmgren Operating Manual & Parts List 82082A & 82102A NOTES
11 Palmgren Operating Manual & Parts List 82082A & 82102A WARRANTY
Palmgren warrants their products to be free of defects in material or workmanship. This warranty does not cover defects due directly or indirectly to misuse, abuse, normal wear and tear, failure to properly maintain the product, heated, ground or otherwise altered, or used for a purpose other than that for which it was intended. The warranty does not cover expendable and/or wear parts (i.e. v-belts, coated screws, abrasives), damage to tools arising from alteration, abuse or use other than their intended purpose, packing and freight. The duration of this warranty is expressly limited to one year parts and labor, unless otherwise noted below beginning from the date of delivery to the original user. The Palmgren products carry the following warranties on parts with a 1 year warranty on labor:
• USA Machine vises – Lifetime • IQ Machine vises – Lifetime • Bench vises – Lifetime • Positioning tables – Lifetime • Bench grinders & buffers – 3 years • Tapping machines – 2 years • Drilling machines – 2 years • Finishing machines – 2 years • Band saws – 2 years • Work stands – 2 years • Arbor presses – 2 years • Metal framing equipment – 2 years • Accessories – 1 year The obligation of Palmgren is limited solely to the repair or replacement, at our option, at its factory or authorized repair agent of any part that should prove deficient. Purchaser must lubricate and maintain the product under normal operating conditions at all times. Prior to oper- ation become familiar with product and the included materials, i.e. warnings, cautions and manuals. Failure to follow these instructions will void the warranty. This warranty is the purchaser’s exclusive remedy against Palmgren for any deficiency in its products. Under no circumstances is Palmgren liable for any direct, indirect, incidental, special or consequential damages including lost profits in any way related to the use or inability to use our products. This warranty gives you specific legal rights which may vary from state to state. SERVICE & REPAIR 1. If a Palmgren product requires a repair or warranty service DO NOT return the product to the place of purchase. 2. All warranty related work must be evaluated and approved by Palmgren. 3. Prior to returning any item the user must obtain factory approval and a valid RGA number. 4. For instructions and RGA number call toll free (800) 621-6145.