Porter-Cable 121 instruction manual Assembly Operation, Installing the Quick Release Drum System

ASSEMBLY

NOTE: This tool is shipped completely assembled. No assembly time or tools are required.

OPERATION

INSTALLING THE QUICK RELEASE DRUM SYSTEM

DISCONNECT TOOL FROM POWER SOURCE.

Note: When installing a 1/2" sanding sleeve on the shaft, do not use the rubber drum (B) or washers (A) Fig. 1.

1.Place the washer (A) Fig. 1 on the spindle shaft.

2.Place the rubber drum (B) on the spindle shaft.

3.Place a second washer (A) over the bolt hole opening.

4.Thread a 5/16-24 locking bolt (C) on the shaft, but do not tighten.

5.Slide the sanding sleeve (D) over the rubber drum (B). Make sure that the sanding sleeve (D) is flush with the rubber drum

(B).

A

B

A

C

D

Fig. 1

6.Tighten the 5/16-24 locking bolt (C) on the shaft to hold the sanding sleeve (D) in place.

THE DUST COLLECTION NOZZLE

You can operate the Model 121 sander with or without the dust collection nozzle. Attach the dust collection nozzle to the sander (Fig. 2) using the two knob screws provided. You can also attach a standard 1" vacuum hose to the dust nozzle to connect the machine to your vacuum cleaner or dust collection system.

Fig. 2

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