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Operating Instructions and Parts Manual
8-inch Grinder with Belt Sander
Models IBGB-248/248VS/436/436VS
Variable speed model IBGB-436VS shown
JET
427 New Sanford Road
LaVergne, Tennessee 37086
Part No. M-577248
Ph.: 800-274-6848
Edition 3 07/2019
www.jettools.com
Copyright © 2019 JET
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Summary of Contents for Jet IBGB-248VS
- Page 1 This .pdf document is bookmarked Operating Instructions and Parts Manual 8-inch Grinder with Belt Sander Models IBGB-248/248VS/436/436VS Variable speed model IBGB-436VS shown 427 New Sanford Road LaVergne, Tennessee 37086 Part No. M-577248 Ph.: 800-274-6848 Edition 3 07/2019 www.jettools.com Copyright © 2019 JET...
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Page 2: Important Safety Instructions
Do not use this bench grinder for other than its replaced. intended use. If used for other purposes, JET 18. Provide for adequate space surrounding work disclaims any real or implied warranty and holds area and non-glare, overhead lighting. - Page 3 27. Never leave grinder running unattended. Turn 40. Allow abrasive wheel to reach full RPM before power off and do not leave machine until wheel starting the grinding operation. comes to a complete stop. 41. Do not crowd the work so that the wheel slows. 28.
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Page 4: Table Of Contents
13.1.1 IBGB-248 Sander/Grinder – Exploded View ..................22 13.1.2 IBGB-248 Sander/Grinder – Parts List ....................23 13.2.1 IBGB-248VS Sander/Grinder – Exploded View .................. 25 13.2.2 IBGB-248VS Sander/Grinder – Parts List ................... 26 13.3.1 IBGB-436 Sander/Grinder – Exploded View ..................28 ... -
Page 5: About This Manual
The operator is encouraged to familiarize him/herself with ANSI B7.1 – Safety Requirements for Use, Care and Protection of Abrasive Wheels. If there are questions or comments, please contact your local supplier or JET. JET can also be reached at our web site: www.jettools.com. -
Page 6: Specifications
4.0 Specifications Table 1 Stock number 577248 578248 577436 578436 Model number IBGB-248VS IBGB-248 IBGB-436VS IBGB-436 Motor and Electricals Induction, Induction, Induction, Induction, Type capacitor start, capacitor start, with inverter with inverter centrifugal switch centrifugal switch Horsepower Phase single Voltage... -
Page 7: Mounting Hole Dimensions
= not applicable The specifications in this manual were current at time of publication, but because of our policy of continuous improvement, JET reserves the right to change specifications at any time and without prior notice, without incurring obligations. -
Page 8: Machine Dimensions/Work Area
4.2 Machine dimensions/work area Figure 4-2: dimensions for IBGB-248/-248VS (primary dimensions in millimeters) Figure 4-3: dimensions for IBGB-436/-436VS (primary dimensions in millimeters) -
Page 9: Carton Contents
5.0 Carton contents Refer to Figures 5-1 thru 5-4. The identifying letters are used in the assembly instructions. Figure 5-3 Dust port package Qty. Dust port Figure 5-1 Truss head screw 3/16 x 3/8 Eye shield hardware Part no. IBG8-100 Qty. -
Page 10: Setup And Assembly
L for left side assembly. Assemble these using Figure 6-1 as a guide. (Check whether any parts have been pre-mounted to the grinder.) Notify your dealer or JET if missing or damaged items are discovered. Do not discard any packing material until grinder is assembled and operating properly. -
Page 11: Sanding Table
must be readjusted to maintain a maximum 1/16" clearance. Figure 6-4: installing handles 6.9 Stand-off Install stand-off (shown installed in Figure 8-2) into threaded hole in back of sanding arm. Loosen screw (A, Figure 6-5) with 6mm hex wrench and lower sanding arm to horizontal position. -
Page 12: Electrical Connections
7.0 Electrical connections Check with qualified electrician or service personnel if the grounding instructions are not completely understood, or if Electrical connections should in doubt as to whether the tool is properly be made by a qualified electrician in compliance grounded. -
Page 13: Voltage Conversion
Make sure your extension cord is in good condition, and is heavy enough to carry the current your product will draw. An undersized cord will cause a drop in line voltage resulting in loss of power and overheating. Table 2 shows the correct size to use depending on cord length and nameplate ampere rating. -
Page 14: Operation
The safety key must be inserted to restart the grinder. Figure 8-2: belt tracking 9.0 Operation Figure 9-1: safety key A bench grinder is designed for hand-grinding IBGB-248VS, IBGB-436VS: Press on/off button on operations such sharpening chisels, keypad (Figure 9-2) to start or stop. Press either of... -
Page 15: Precautions
9.2 Precautions Unscrew knobs and open side guard. Pull tension lever (D, Figure 10-1) outward to 9.2.1 Wheel grinding compress spring and de-tension belt. Before starting grinder, turn grinding wheel by Remove old belt by sliding it off wheels. Install hand to verify that it is clear of obstruction and new belt, centering it on the wheels. -
Page 16: Changing Wheels
10.4 Changing wheels Install inner flange, wheel (F), outer flange (E) and nut (D) on the shaft. Tighten nut counter- The JET bench grinder comes equipped with a clockwise. general purpose grinding wheel. Wheels vary according to types of abrasive, hardness, grit size, Do not overtighten nut;... -
Page 17: Dressing The Wheel
10.7 Wire wheel brushes Continue this combination of flange movements until the wobble is eliminated. Wire brushing (not provided) is a fast way to remove If required, a shim made of paper or card stock may rust scale, burrs, and paint from metal. Use coarse be placed between flange and wheel side. -
Page 18: Optional Accessories
Flexible 3W LED Lamp (includes two 1/4 x 3/8 mounting screws) The following accessories are for using the Grinder with the JET #414800 (JDCS-505) Dust Collection Stand: 414825 Reducer, 3 in. to 2.5 in. 414811 0.6M Hose, Heat Resistant, ø2.5 x 24.4 in. -
Page 19: Troubleshooting Ibgb Series Sander/Grinder
Motor fails to develop Low line voltage. Check power line for proper voltage. full power. Faulty motor or capacitor. Contact JET technical service. Motor overheats. Motor overloaded. Reduce pressure against wheel or platen. Make sure grit size is appropriate for the job. -
Page 20: Digital Readout Error Codes (Variable Speed Models)
Symptom Possible Cause Correction Low voltage. Correct the low voltage conditions. Incorrect fuses or circuit breakers in Install correct fuses or circuit breakers. Motor stalls (cont.) power line. Motor slows. Motor overloaded. Reduce load to motor; do not press so hard. -
Page 21: Replacement Parts
Non-proprietary parts, such as fasteners, can be found at local hardware stores, or may be ordered from JET. Some parts are shown for reference only, and may not be available individually. -
Page 22: Ibgb-248 Sander/Grinder - Exploded View
13.1.1 IBGB-248 Sander/Grinder – Exploded View... -
Page 23: Ibgb-248 Sander/Grinder - Parts List
13.1.2 IBGB-248 Sander/Grinder – Parts List Index No Part No Description Size 1 ....IBGB248-01 ....Motor Housing w/ Stator ................1 2 ....IBGB248-02 ....Rotor ......................1 3 ....IBGB248-03 ....End Cover ...................... 1 4 .... - Page 24 97 ....IBG8-54 ..... Dresser Assembly..................1 98 ....IBGB248-98 ....Graphite Sheet ....................1 ....JET-92-73R ....JET Logo (not shown)..........92 x 38 mm ....1 ....LM000381 ....I.D./Warning Label, IBGB-248 (not shown) ........... 1 ....
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Page 25: Ibgb-248Vs Sander/Grinder - Exploded View
13.2.1 IBGB-248VS Sander/Grinder – Exploded View... -
Page 26: Ibgb-248Vs Sander/Grinder - Parts List
13.2.2 IBGB-248VS Sander/Grinder – Parts List Index No Part No Description Size 1 ....IBGB248VS-01 ..Motor Housing w/ Stator ................1 2 ....IBGB248VS-02 ..Rotor ......................1 3 ....IBGB248-03 ....End Cover ...................... 1 4 .... - Page 27 97 ....IBG8-54 ..... Dresser Assembly..................1 98 ....IBGB248-98 ....Graphite Sheet ....................1 ....JET-92-73R ....JET Logo (not shown)..........92 x 38 mm ....1 ....LM000382 ....I.D./Warning Label, IBGB-248VS (not shown)..........1 ....
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Page 28: Ibgb-436 Sander/Grinder - Exploded View
13.3.1 IBGB-436 Sander/Grinder – Exploded View... -
Page 29: Ibgb-436 Sander/Grinder - Parts List
13.3.2 IBGB-436 Sander/Grinder – Parts List Index No Part No Description Size 1 ....IBGB248-01 ....Motor Housing w/ Stator ................1 2 ....IBGB436-02 ....Rotor ......................1 3 ....IBGB248-03 ....End Cover ...................... 1 4 .... - Page 30 97 ....IBG8-54 ..... Dresser Assembly..................1 98 ....IBGB436-98 ....Graphite Sheet ....................1 ....JET-92-73R ....JET Logo (not shown)..........92 x 38 mm ....1 ....LM000383 ....I.D./Warning Label, IBGB-436 (not shown) ........... 1 ....
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Page 31: Ibgb-436Vs Sander/Grinder - Exploded View
13.4.1 IBGB-436VS Sander/Grinder – Exploded View... -
Page 32: Ibgb-436Vs Sander/Grinder - Parts List
13.4.2 IBGB-436VS Sander/Grinder – Parts List Index No Part No Description Size 1 ....IBGB248VS-01 ..Motor Housing w/ Stator ................1 2 ....IBGB436VS-02 ..Rotor ......................1 3 ....IBGB248-03 ....End Cover ...................... 1 4 .... - Page 33 97 ....IBG8-54 ..... Dresser Assembly..................1 98 ....IBGB436-98 ....Graphite Sheet ....................1 ....JET-92-73R ....JET Logo (not shown)..........92 x 38 mm ....1 ....LM000384 ....I.D./Warning Label, IBGB-436VS (not shown)..........1 ....
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Page 34: Electrical Connections
14.1 Wiring diagram for IBGB-248 and IBGB-436 Black 200MDF/125VAC 35uf/250VAC 115V Input Power Gray Yellow Green Black 35uf/250VAC 200MDF/125VAC Gray 230V Input Power Yellow Green 14.2 Wiring diagram for IBGB-248VS and IBGB-436VS Operation panel 115V/230V White Input Power Black Green... - Page 35 JET sells through distributors only. The specifications listed in JET printed materials and on official JET website are given as general information and are not binding. JET reserves the right to effect at any time, without prior notice, those alterations to parts, fittings, and accessory equipment which they may deem necessary for any reason whatsoever.
- Page 36 427 New Sanford Road LaVergne, Tennessee 37086 Phone: 800-274-6848 www.jettools.com...