The cutterhead guard is a critical safety
feature of this jointer. You MUST verify its
operation before using the jointer! Failure to
properly install this guard will greatly increase
risk of serious personal injury.
Figure 47. Example of cutterhead guard components.
Cutterhead Guard
Shaft Lock
!
-42-
For Machines Mfd. Since 10/20
South Bend Tools
Model SB1091
S E R V I C E
Checking/Adjusting
Cutterhead Guard
To check/adjust cutterhead guard for proper
operation:
1.
DISCONNECT MACHINE FROM POWER!
2.
Set fence to 90° and move it all the way back,
then pull cutterhead guard (see Figure 47)
and let it go.
— If cutterhead guard springs back over
cutterhead, contacts fence, and does
not drag across infeed table, then it is
properly adjusted.
— If cutterhead guard does not spring back
over cutterhead, does contact fence, or
drags across infeed table, then proceed to
Step 3.
3.
Loosen shaft lock (see Figure 47). Move
guard so it is resting against fence, and
1
⁄
16
"
above infeed table.
The cutterhead guard is designed to reduce the
risk of accidental contact with hands or fingers
with the spinning cutterhead. When properly
installed and functioning correctly, the guard
automatically rotates clear of the cutterhead
during the cutting operation and then springs
back over the cutterhead as soon as the operation
is complete.
In order to function as intended, the guard must
be installed as low as possible over the infeed
table without actually touching it (approximately
1
⁄
16
" above infeed table), and it must have enough
spring tension at the mounting shaft to quickly
reposition itself against the fence after it is
rotated away from the cutterhead and released.
Before performing rabbeting operations, adjust
guard height to just clear outfeed table.
4.
Holding guard height in place, tighten shaft
lock to secure setting.
5.
Repeat
Step 2 and, if necessary, repeat
Steps 3–4
until cutterhead guard is properly
adjusted.