Craftsman 315.275110 Owner's Manual page 9

Industrial electronic plunge router double insulated
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ADJUSTMENTS
INSTALLING/REMOVING
CUTTERS
(Continued)
5.
If installing cutter for the first time, it can be installed
once collet nut is loose. If changing cutters, cutter will
easily slip from collet after loosening collet nut.
.
The 1/2 in. collet is machined to precision tolerances
to fit cutters with 1/2 in. diameter shanks. As previously
mentioned, a 1/4 in. collet assembly has also been
provided with your router so that cutters with 1/4 in.
shank bits can be used.
7.
S.
S.
10,
To use cutters with 1/4 in. shank bits, the 1/2 in. collet
assembly must be removed and replaced with the 1/4
in, collet assembly. Remov_ethe 1/2 in. collet assembly
by removing collet nut, loosening collet screw securing
collet to motor shaft, then removing collet assembly.
NOTE: The collet screw has left hand threads and
you will need a #2 phillips screwdriver
to loosen
collet screw. Turn screw clockwise to loosen and
counterclockwise
to tighten.
Replace with the 1/4 in. collet assembly, securely
tightening collet screw in collet to motor shaft, then
reassemble 1/2 in. collet nut. See Figure 5.
Insert shank of cutter into collet until shank bottoms
out, then pull it out 1/16 in, to allow for expansion
when the bit gets hot.
Tighten the collet nut securely by turning with the
wrench provided. See Figure 4.
MOTORSHAFT
1/2IN.
COLLETNUT
___1/2
IN. COLLET
COLLETSCREW(LEFTHANDTHREADS)USINGA #2
PHILLIPSSCREWDRIVER, TURNSCREWCLOCKWISE
TO LOOSEN ANDCOUNTERCLOCKWISE T O TIGHTEN
COLLETASSEMBLY
CuI"rERWITH
1/4IN. SHANKDIAMETER
Fig. 5
WARNING:
Do not use cutters with undersized shanks. Undersized
shanks will not tighten properly and could be thrown from
tool causing injury.
WARNING:
If collet nut is not tightened securely, cutter may come out
during usa causing serious personal injury.
11,
Place posilock spindle lock back in unlock position.
Otherwise, interlocking mechanism of spindle lock will
not let you turn your router on. If you forget, the
spindle
lock Indicator
light will alert you that
spindle
Is still locked when you connect router to
power supply.
Page 9

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