Harbor Freight Tools 30304 Grinder User Manual


 
Step 7: Hold the flat WRENCH (#48) while tightening the angled WRENCH (#49) to tighten
the Flange Nut as shown in Figure 4.
Wrench (#48)
Grinding Wheel (#45)
Wrench (#49)
Figure 4 — Tightening the Flange Nut
Step 8: Remove the WRENCHES.
Air Connection
Step 1: You will need a Union fitting (sold separately) before you can connect your Angle
Grinder to an air compressor.
Step 2: Attach the Union fitting to the Angle Grinder and tighten.
Step 3: Attach an Air Coupler (sold separately) to the Union fitting if desired. This is a useful
accessory as it allows quick-coupling action when using a variety of tools with the
same air compressor.
Your Angle Grinder is ready for use.
OPERATION
Setup
Frequent, but not excessive, lubrication is required for best performance. Oil added through the
airline connection will lubricate internal parts. An automatic airline oiler is recommended but oil
may be added manually before every operation or after about 1 hour of continuous use. Only a few
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