Use and Care Manual

3
2.0 Table of contents
Section Page
1.0 Warranty and Service ..................................................................................................................................... 2
2.0 Table of contents ............................................................................................................................................ 3
3.0 Warnings ........................................................................................................................................................ 4
3.1 Machinery General Safety Warnings .......................................................................................................... 4
3.2 General Electrical Cautions ........................................................................................................................ 5
3.3 Wire Sizes .................................................................................................................................................. 5
3.4 Safety requirements for abrasive grinding machines ................................................................................. 5
4.0 General Specifications ................................................................................................................................... 6
5.0 Machine set-up ............................................................................................................................................... 7
5.1 Grinder set-up ............................................................................................................................................ 7
5.2 Spotting and anchoring the sander ............................................................................................................ 7
5.3 Checking table level ................................................................................................................................... 7
6.0 Electrical ......................................................................................................................................................... 7
6.1 Service wiring ............................................................................................................................................. 7
6.2 To correct disc rotation ............................................................................................................................... 8
6.3 Changing service voltage ........................................................................................................................... 8
6.4 Replacing the LVP switch cut-out coil ........................................................................................................ 8
6.5 Changing motor connections ...................................................................................................................... 8
7.0 Operating Instructions .................................................................................................................................... 9
7.1 Applying a workpiece to the disc face ........................................................................................................ 9
7.2 Rotary Switch ............................................................................................................................................. 9
7.3 Raising and lowering the table ................................................................................................................. 10
7.4 Adjusting the table angle .......................................................................................................................... 10
7.5 Using the miter system ............................................................................................................................. 11
8.0 Recommended abrasives ................................................................................................................................. 11
9.0 Maintenance procedures ................................................................................................................................. 12
9.1 Removing and replacing grinding discs .................................................................................................... 12
9.2 Removing and replacing motor and/or drive disc ..................................................................................... 13
10.0 Lubrication .................................................................................................................................................. 14
11.0 Replacement Parts ..................................................................................................................................... 14
11.1.1 J-4421 Motor and Trunnion – Exploded View ..................................................................................... 15
11.1.2 J-4421 Motor and Trunnion – Parts List .............................................................................................. 16
11.2.1 J-4421 Foot Brake – Exploded View ................................................................................................... 19
11.2.2 J-4421 Foot Brake – Parts List ............................................................................................................ 19
12.0 Electrical Connections – J-4421 .................................................................................................................. 20