Porter-Cable 7319 Instruction Manual page 15

be sure at least
that result in having less than
do so may cause poor gripping of collet resulting in loose bit and
damage to work, or personal injury should the bit come out of collet.
ADJUSTING TILT
1. Loosen two tilt locking screws (C) Fig. 6, (one on each side of base)
using wrench provided.
2. Tilt base aligning index mark (D) Fig. 6, with desired angle and tighten
securely.
3. Make a trial cut on scrap material to check alignment. Readjust if
necessary.
MODEL 7312 OFFSET TRIMMER ASSEMBLY
Model 7312 Offset Trimmer is completely assembled at the factory. The offset
base is assembled to Model 7301 Motor as outlined below. Model 7312
Offset Trimmer can be disassembled by reversing the following assembly
instructions.
ASSEMBLING OFFSET BASE TO MOTOR
DISCONNECT TOOL FROM POWER SOURCE.
1. Remove collet nut and collet from motor unit.
2. Assemble drive pulley (A) Fig. 7, to motor spindle and tighten securely.
3. Use a phillips screwdriver to remove the three sub-base mounting
screws (A) Fig. 8, from the base, and remove the sub-base.
4. Position the base to the motor and drive pulley assembly (from
step 2). Be sure that the motor drive pulley engages the drive belt (inside the
base housing).
5. Secure the motor to the base (see Fig. 9), with the thumbscrew (A),
spring (B), and washer (C).
Locate the #6-32 ×
6.
screwdriver to install this screw (D), as shown in Fig. 9. Tighten securely.
7. Clean collet nut and collet, and assemble to the spindle in the offset
base. DO NOT TIGHTEN COLLET NUT AT THIS TIME. Tightening the collet
nut without a bit installed in the collet is likely to damage the collet.
8. Position sub-base to base housing and secure with the three screws that
were removed in step 3.
1
" of bit shank is engaged in collet. Do not use bits
/
2
3 " screw from the hardware package. Use a phillips
/
8
A
Fig. 7
1 " of bit shank engaged in collet. To
/
2
A
15
A
SUB-BASE
A
Fig. 8