10
NOTE: This tool is shipped completely assembled. No assembly time or tools are
required.
ASSEMBLYOPERATION

INSTALLING THE QUICK RELEASE DRUM SYSTEM

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

B

A

C

D

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.
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).
Fig. 2
Fig. 1
6. Tighten the 5/16-24 locking bolt (C) on the shaft to hold the sanding
sleeve (D) in place.