Global Machinery Company BG612HPL, BG834HPL instruction manual Operation, Changing a grinding wheel

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Operation

Important. Prior to using the grinder, check that the eye shields, spark deflectors, and tool rests are fitted and correctly adjusted and that you are wearing safety gear including eye, hearing and breathing protection.

1.Turn the wheel by hand to make sure it does not touch the guard, eye shields, spark deflectors or tool rests and runs freely.

2.Stand to one side, turn the switch (8) on and allow the motor to reach full speed.

3.Support the work piece on the tool rest (10) and gradually feed the work piece onto the wheel. Use pliers to hold small work pieces.

Note. Traverse the work piece across the full width of the wheel to prolong its flat surface.

4.If the grinding operation causes the motor speed to noticeably decrease, pull back the work piece, allow the motor to regain full speed and restart the grinding operation, but apply less force.

Warnings. Only use the front face of the grinding wheel, not the sides. Note that the work piece can get very warm. It may be necessary to cool a work piece by dipping it in a coolant or in water. Do not apply coolant or water to the grinding wheel.

Changing a grinding wheel

Important. Prior to changing a wheel, ensure the grinder is turned off and the power plug is removed from the socket. Make sure that the replacement wheel is rated at 3000RPM or higher.

1.Remove the retaining screw and take off the tool rest (10).

2.Remove the retaining screw and take off the spark deflector (12).

3.Take off the third retaining screw and remove the outer guard (4).

4.Depress and hold the spindle lock button and turn the wheel by hand until it locks in place. Remove the retaining nut (see note below for correct direction of rotation), outer flange and the wheel.

Note. The wheel on the left-hand side of the grinder has a left-

hand thread and is unscrewed in a clockwise direction. The wheel on the right-hand side of the grinder has a right- hand thread and is unscrewed in

an anti-clockwise direction.

5.Fit the replacement wheel on the shaft ensuring that there is a blotter between the wheel and clamp washers on each side of the wheel, and ensure the wheel is a slide fit (not loose) on the spindle.

6.Replace the outer flange and retaining nut (see the Note above regarding the direction of rotation of the nut).

7.Depress and hold the spindle lock button and tighten the nut. Do not over tighten.

8.Replace the outer guard.

9.Replace the retaining screw, spark deflector and tool rest.

10.Re-adjust the tool rest and spark deflector.

11.Rotate the wheel by hand to check for free movement and proper adjustments.

12.Plug in the grinder, put on eye protection, stand to one side and run the grinder at full speed for several minutes.

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Contents Bench Grinders Contents Nominal voltage 230 240Vac ~ 50Hz Description of symbolsSpecifications Wheel 12.7mm 16mmSafety instructions Are tired Unpacking Additional safety rules for bench grindersConnecting to the power supply Wear goggles Wear ear protection Wear a breathing maskEye shield On/Off switchKnow your product Grinding wheelShould be installed on the left hand side Fitting and adjusting the eye shieldsFitting and adjusting the spark deflectors Fitting the tool restsUsing the work light Using the On/Off switchBench mounting the grinder Remove the retaining screw and take off the spark deflector OperationChanging a grinding wheel An anti-clockwise directionGrinder adjustments Fitting a wire wheelHow to true and dress the wheels MaintenanceGeneral inspection CleaningRepairs Save this Manual for future reference

BG612HPL, BG834HPL specifications

Global Machinery Company has made a significant impact in the machinery industry with its innovative BG834HPL and BG612HPL models. These machines are designed to cater to various needs in construction, agriculture, and industrial applications, providing robustness, efficiency, and ease of use.

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