Porter-Cable 7539 Instruction Manual page 7

899715 - 03-01-02.qxd
INSTALLING AND REMOVING THE BIT
CAUTION: Be sure power switch is in the OFF position and machine
is disconnected from power source to avoid accidental starting of
motor which could result in personal injury.
1. Stand router upside down on its motor cap (see Fig. 3).
2. Clean and insert shank of bit into collet at least
router, then back it out approximately
3. Place one wrench on flats on chuck and one wrench on collet nut (see
Fig. 3). Tighten firmly.
DO NOT ALLOW WRENCHES TO CONTACT COLUMNS (A, Fig. 3) AS
COLUMNS MAY BE DAMAGED, RESTRICTING PLUNGE ACTION.
NEVER TIGHTEN COLLET NUT WITHOUT BIT INSERTED.
4. To remove bit, reverse the foregoing procedure. If bit does not remove
easily, tap the collet nut with wrench to release bit.
ADJUSTING PLUNGE DEPTH
1. CAUTION: DISCONNECT TOOL FROM POWER SOURCE.
2. Loosen depth rod locking knob (K) Fig. 5, and depth indicator knob, (J)
Fig. 5, allowing the depth rod to contact one of the turret stops (M) Fig. 5.
Normally the deepest desired cut is set with the depth rod resting on the
shortest turret stop (see Fig. 6). The other two fixed stops (S) Fig. 6, then
provide reduced cutting depths of
adjustable stops (R) Fig. 6, may be adjusted to any desired height. Any
combination of fixed and/or adjustable stops may be utilized to achieve the
desired depths required for a particular job.
3. Release plunge mechanism by pulling the locking lever (C) Fig. 4, to the
left and lower plunge mechanism until the router bit just touches the work
surface. Release lever and push to the right to lock mechanism in this
position.
4. Tighten depth rod locking knob.
5. Position depth indicator (H) Fig. 5 at "O" position and tighten knob.
3/7/02 3:30 PM Page 7
1 " to allow proper tightening.
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A
Fig. 3
TO DO SO MAY DAMAGE COLLET.
1 " and
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4
7
3 ". If shank "bottoms" in
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4
A
1 " respectively. The three
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2