Porter-Cable 909516 - Manual (Page 10)

10
MAINTENANCE
CHANGING THE WHEEL
DISCONNECT MACHINE FROM POWER
SOURCE.
1. Rotate the front wheel guard (A) Fig. 21, to the up
position, as shown.
2. Press in on arbor lock (B) Fig. 22, and at the same
time rotate wheel (F) by hand until the arbor lock
engages.
3. Using the wrench provided, loosen arbor screw (C)
Fig. 23, by turning it counterclockwise and remove arbor
screw (C), washer (D), outside wheel flange (E) and
wheel (F). DO NOT REMOVE INSIDE WHEEL FLANGE.
4. Make sure the inside surfaces of both the inside and
outside wheel flanges are clean and free from any
foreign substance.
5. Install new wheel, outside wheel flange (E) Fig. 23,
washer (D), and arbor screw (C). Turn arbor screw (C)
clockwise to tighten.
USE ONLY RECOMMENDED REINFORCED
ABRASIVE WHEELS WITH BLOTTERS AND TIGHTEN THE
ARBOR SCREW (C) ONLY ENOUGH TO HOLD THE
WHEEL FIRMLY AND PREVENT WHEEL SLIPPAGE.
EXCESSIVE TIGHTENING MAY RESULT IN DAMAGE TO
THE WHEEL AND SPRINGING THE WHEEL FLANGES.
6. Rotate front wheel guard to the down position and
make sure spindle lock is disengaged before turning the
machine on.
Fig. 21
Fig. 22
Fig. 23
A
B
F E D
C