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11 

7.1

  Grounding instructions 

1. All Grounded, Cord-connected Tools: 

In the event of a malfunction or breakdown, 
grounding provides a path of least resistance for 
electric current to reduce the risk of electric shock. 
This tool is equipped with an electric cord having 
an equipment-grounding conductor and a 
grounding plug. The plug must be plugged into a 
matching outlet that is properly installed and 
grounded in accordance with all local codes and 
ordinances. 

Do not modify the plug provided – if it will not fit the 
outlet, have the proper outlet installed by a 
qualified electrician. 

Improper connection of the equipment-grounding 
conductor can result in a risk of electric shock. The 
conductor with insulation having an outer surface 
that is green with or without yellow stripes is the 
equipment-grounding conductor. If repair or 
replacement of the electric cord or plug is 
necessary, do not connect the equipment-
grounding conductor to a live terminal. 

 Check with a qualified 

electrician or service pe

r

sonnel if the 

grounding instructions are not completely 
understood, or if in doubt as to whether the 
tool is properly grounded. Failure to comply 
may cause serious or fatal injury.

 

Use only 3-wire extension cords that have 3-prong 
grounding plugs and 3-pole receptacles that accept 
the tool's plug. 

Repair or replace damaged or worn cord 
immediately. 

2. Grounded, cord-connected tools intended for 
use on a supply circuit having a nominal rating 

less 

than 150

 volts: 

This tool is intended for use on a circuit that has an 
outlet that looks like the one illustrated in 

A

, Figure 

7. An adapter, shown in 

B

, Figure 7, may be used 

to connect this plug to a 2-pole receptacle if a 
properly grounded outlet is not available. The 
temporary adapter should be used only until a 
properly grounded outlet can be installed by a 
qualified electrician. 

This adapter is not permitted 

in Canada.

 The green-colored rigid ear, lug, and 

the like, extending from the adapter must be 
connected to a permanent ground such as a 
properly grounded outlet box. 

7.2 

 Extension cords 

USE PROPER EXTENSION CORD. Use only 
three-wire extension cords that have three-prong 
grounding type plugs and three-prong receptacles 
that accept the tool's plug.  

Make sure your extension cord is in good 
condition. When using an extension cord, be sure 
to use one 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 1 shows correct size to use 
depending on cord length and nameplate ampere 
rating. If in doubt, use the next heavier gauge. The 
smaller the gauge number, the heavier the cord. 

Amp 
Rating 

Volts  Total length of cord in feet 
120 
240 

25 
50 

50 

100 

100 
200 

150 
300 

 AWG 

0 - 6 

 

18 

16 

16 

14 

6 - 10 

 

18 

16 

14 

12 

10 - 12 

 

16 

16 

14 

12 

12 - 16 

 

14 

12 

Not 
Recommended 

 

Table 1:  extension cord recommendations 

8.0

  Adjustments 

 Disconnect saw from power 

source before making adjustments. 

8.1

  Eye shield tilt adjustment 

1.  Loosen lock knob (B, Figure 8). 

2.  Adjust eye shield (T) to desired tilt angle. 

3.  Tighten lock knob (B). 

8.2

  Spark guards 

As the wheel wears down, the spark guards must 
be readjusted to maintain 1/16" distance from the 
wheel. 

To adjust: 

1.  Loosen two hex cap screws (L, Figure 8) with 

a 10mm wrench. 

2.  Slide the spark guard to 1/16" distance from 

grinding wheel surface. 

3. Tighten 

screws 

(L). 

 

Figure 8:  eye shield and tool rest adjustment 

Содержание JWBG-8NW

Страница 1: ...s Manual 8 inch Bench Grinder Model JWBG 8 shown with optional grinding wheels not provided JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 726100 Ph 800 274 6848 Revision D1 01 2021 www j...

Страница 2: ...eded JET has Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Locator on the JET...

Страница 3: ...Grinding wheel selection 9 6 11 Ring test 9 6 12 Grinding wheel installation 9 6 13 Wheel balancing 10 7 0 Electrical connections 10 7 1 Grounding instructions 11 7 2 Extension cords 11 8 0 Adjustmen...

Страница 4: ...part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment of moving parts binding of moving parts breakage of p...

Страница 5: ...instructions on assembly safety precautions general operating procedures maintenance instructions and parts breakdown Your bench grinder has been designed and constructed to provide consistent long t...

Страница 6: ...ests Tilt angle 45 forward Distance to wheel adjustable Materials Arbor steel Base cast iron Body cast iron and aluminum Wheel guards cast iron and aluminum Wheel flanges steel Tool rests cast iron wi...

Страница 7: ...nup Remove all contents from shipping carton Check for shipping damage if any is found report it to your distributor Do not discard carton or packing material until grinder is assembled and running sa...

Страница 8: ...he same manner Figure 3 brackets to spark guards 6 7 Installing spark guards brackets Refer to Figure 4 1 Install the left spark guard and bracket to the left wheel housing with two 1 4 x 3 8 hex cap...

Страница 9: ...Suspend wheel from the hole by a small pin or finger 2 Gently tap the flat side of the wheel with a non metallic object such as a wood dowel or the handle of a screwdriver Tap about 45 to each side of...

Страница 10: ...eck 2 If wobble still exists continue repeating step 1 rotating outer flange incrementally in the same direction See B Figure 6 Make sure to keep the wheel in the same position each time 3 If complete...

Страница 11: ...ter shown in B Figure 7 may be used to connect this plug to a 2 pole receptacle if a properly grounded outlet is not available The temporary adapter should be used only until a properly grounded outle...

Страница 12: ...running speed before beginning operation Keep a steady moderate pressure on the workpiece and keep it moving at an even pace for smooth grinding Pressing too hard overheats the motor and prematurely w...

Страница 13: ...Do not over tighten this may cause the wheel to crack or the flanges to bend 9 Replace the guard cover Adjust spark guards and tool rests to 1 16 clearance from wheel 10 3 Cleaning Metal shavings may...

Страница 14: ...r overheats Overload on motor Reduce load on motor do not press so hard Capacitor failure Call JET Customer Service Motor stalls or slows Motor overload Reduce load on motor do not press so hard Low l...

Страница 15: ...hrough Friday 8 00 a m to 5 00 p m CST Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and accurately Non proprietary parts such as...

Страница 16: ...16 13 1 1 JWBG 8 Bench Grinder Exploded View...

Страница 17: ...Guide 1 25 JBG8A 32 Cord Plate 1 26 JWBG8 26 Centrifugal Start Switch 1 27 JWBG8 27 Cross Head Screw 3 16 x 3 8 2 28 JWBG8 28 Switch Seat 1 29 JBG6A 34 Cross Screw 3 16 x 1 4 2 30 JBG8A 35 Capacitor...

Страница 18: ...cket left 1 58 JBG8A 56 Eye Shield Bracket right 1 59 JBG6A 57 Lock Knob 1 4 2 60 JBG6A 58 Cross Head Screw 3 16 x 3 8 4 61 JBG8A 59 Eye Shield 2 62 JBG6A 60 Eye Shield Fixed Plate 2 66 JWBG8 66 I D L...

Страница 19: ...19 14 0 Electrical Connections...

Страница 20: ...20 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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