Operation
Caution: Unplug the Grinder and turn the Switch Lever (#20) to the off position. Use Type 1 grinding wheels with a
1. This grinder is equipped with a
Collet Chuck (#1). The Collet Chuck (#1) is sized to accept a 1/4” mandrel.
To use any other sized mandrel (ie: 1/8”) you must change the
Collet Chuck(#1). See Figure 1
Figure 1
Collet Shaft
Collet Chuck
2. Rotary Files and Grinding Wheels.
The maximum diameter for rotary files with a 1/4” mandrel is 3/8”. The maximum diameter for grinding wheels with a 1/4” mandrel is
Warning: Never use files or wheels rated below 25,000 rpm’s. They can disintegrate during operation causing serious injury.
Figure 2
Grinding Wheel Max. Dia.
1/4” Mandrel
Rotary File Max. Dia. 3/8”
Note: Use grinding wheels when cutting or shaping hard materials.
Use rotary files for milling soft metals, such as brass, copper, or aluminum.
3.Using the two wrenches provided with the grinder kit, attach a grinding wheel or rotary file. Hold the lower section (closest to collet shaft) of the Collet Chuck (#1) with one of the wrenches, while turning the Collet Chuck (#1) with the other wrench to loosen.
See Figures 1 and 3.
4.Insert the mandrel into the Collet Chuck (#1)
at least 5/8”. Failure to do so could cause the mandrel to disengage from the Collet Chuck (#1) causing serious injury.
5. Using the wrenches, securely tighten the Collet Chuck (#1) . See Figure 3.
Note: Before each use, always check that the mandrel is securely fastened into the Collet Chuck (#1).
SKU 44141 | Page 5 |