Porter-Cable 121 instruction manual Troubleshooting, Edge Guide Operation

2.Adjust the feed guides (A) and (B) Fig. 6, so that they are parallel to the sanding drum (C).

3.Loosen the in-feed and out-feed guides (A) and (B) Fig. 6 with a 3/16" hex wrench.

4.Place a straight edge on the sanding drum (C) Fig. 6. Tap the in-feed and out-feed guides (A and B) until the guides and the sanding drum (C) are resting on the straight edge (Fig. 6), and are parallel.

B

A

C

Fig. 6

5.Tighten the 3/16" bolt to hold the out-feed guide (B) Fig. 6 in place.

6.Set the in-feed guide (A) Fig. 6 for the amount of material that you want to remove.

Do not try to remove an excessive amount of material with the tool. It can cause damage to the rubber sanding drum.

NOTE: Check the guide adjustment after changing sanding drums.

EDGE GUIDE OPERATION

When using the edge guide, always start sanding from the end or corner of the workpiece for even sanding. Start with the front feed guide against the workpiece and gradually feed the tool into the surface (Fig. 7).

Fig. 7

TROUBLESHOOTING

For assistance with your tool, visit our website at www.porter-cable.com for a list of service centers or call the Porter-Cable help line at 1-888-848-5175.

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