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Craftsman 351.217620 Manual Del Operador página 9

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If the blades are nicked they must be replaced or
reground. (See Parts List, page 13.)
NOTE: Many shops do not have capabilities to resur-
face blades. Yellow pages should list "Sharpening
Services" or "Tool Grinding."
Always replace blades in sets of two.
Blade Clam
Cutter
Clamp Scre_
Figure 19 - Block Blade Guard
REPLACING
BLADES
Refer to Figures 19 and 20.
Unplug the jointer/planer from power source and turn
the switch to "OFF" position.
Block the blade guard from closing down.
Loosen and remove three blade clamp screws
securing blade and blade clamp.
Lift blade and blade clamp from cutterhead
Clean any sawdust and resin buildup from cutter-
head and blade clamp.
Place blade clamp against the replacement blade
and replace in cutterhead.
Secure blade and blade clamp using three blade
clamp screws. Do not tighten blade clamp screws.
NOTE: Check blade height at both ends of blade (see
Adjusting Blade Height, pages 6-7).
Tighten blade clamp screws.
Recheck blade adjustment and make sure blade is
still level with outfeed table.
Repeat the procedure to replace the other blade.
Remove the scrap wood and release blade guard.
Make sure all the blade clamp screws are tight and
snug.
Blade
Cutterhead
\.
,/
ADJUSTING
BLADE
GUARD
Refer to Figure 23, page 12.
CAUTION:
Do not lubricate the pivot point of the blade
guard. Oil and lubricating products may contain chemi-
cals that can damage and/or destroy blade guard or
other plastic parts.
The blade guard needs adjustment or spring replace-
ment if it does not cover the cutterhead when released.
To adjust or replace spring:
Lay the jointer/planer on the side so that the switch
faces up.
Loosen and remove screws, washers and bottom
cover (Key Nos. 29, 39 and 63).
Remove retaining ring (Key No. 44) with retaining
ring pliers.
Slide out blade guard.
If the spring is out of tension, it must be replaced.
Slide out spring from holes. Contact your nearest
Sears store or service center for replacement.
Replace new spring so that the end of the spring is
inside the hole on the body.
Position blade guard so that the other end of the
spring is inside th hole in the blade guard.
Secure blade guard with retaining ring.
Make sure blade guard functions appropriately.
REPLACING
TIMING
BELT
Refer to Figures 21,22 and 23.
Turn the switch to "OFF" position and unplug the tool
from power source.
Lay the jointer/planer on the side so that the switch
faces up.
Remove bolts and access cover (Key Nos. 30 and
54).
Remove old timing belt by turning belt and maintain-
ing pressure.
Figure 21 - Removing Timing
Belt
Blade Clamp
Figure 20 - Replacing Blades
Clamp
9

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