22
MAINTENANCE
SAW GUIDE INSERT REPLACEMENT
1.
Remove the adjusting screw holding the spring
washer housing and movable insert. Then:
(a)
Insert a screwdriver through the adjusting screw
hole until it engages the fixed insert screw slot;
(b)
Remove the fixed insert;
(c)
Remove the shoulder
screw located above the adjusting screw on the rear
side of saw guide arm;
(d)
Remove the back-up
bearing from their seat.
Saw Guide Detail.
2.
Thoroughly clean the saw guide body and insert
areas.
3.
Inspect the back-up bearing's useable wear
surfaces. If the surface last used is worn:
(a)
Reinsert the bearing into the saw guide with the
unworn surface exposed to the back of the saw
band;
(b)
Reinstall the back-up bearings;
(c)
Reinsert the shoulder screw.
4.
Install new fixed and movable inserts if worn.
5.
To reassmble:
(a)
Install the fixed and movable
inserts, plus spring washer housing;
(b)
Place
the saw band between the inserts;
(c)
Turn the
adjusting screws
clockwise
until tight
(do not
overtighten)
;
(d)
Turn each adjusting screw back
counterclockwise
a 1/4 turn.
6.
Replacing the saw guide inserts should be done to
both saw guide arms at the same time.
DRIVE BELT REMOVAL OR REPLACEMENT
1.
To install or remove the band drive belt, turn the
machine off. Then remove the drive cover by
removing the screws holding it to the mounting
plate.
Replacing Drive Belt.
2.
Loosen the screws that hold the drive motor to the
mounting bracket and slide to the left to relax the
tension the drive belt.
3.
Stretch the old belt and remove it from the motor
pulley and then the driven pulley. Next:
(a)
Carefully
place a new drive belt into the motor pulley groove;
(b)
Stretch and pull the belt around and into the
driven pulley groove.
4.
Slide the drive motor to the right towards the center
of the machine to tension the drive belt. Tighten the
screws to hold in place. For correct tension, there
should be little or no deflection at the center span
of the belt.
5.
Also check the new belt's tracking in the pulley
grooves by turning the driven pulley
slowly
clockwise
.
6.
If tracking and belt tension is correct, tighten the
screws holding the motor mounting bracket and
then reinstall the drive cover.
Summary of Contents for 500SNC
Page 1: ...Instruction Manual 500SNC Serial No 592 13178 to Band Sawing Machine ...
Page 6: ...2 MACHINE DIMENSIONS Continued TOP VIEW INCHES 03 MILLIMETERS 1 mm ...
Page 7: ...3 MACHINE DIMENSIONS Continued FRONT VIEW INCHES 03 MILLIMETERS 1 mm ...
Page 8: ...4 MACHINE FEATURES FRONT VIEW ...
Page 9: ...5 REAR VIEW MACHINE FEATURES Continued ...
Page 10: ...6 SIDE VIEW MACHINE FEATURES Continued ...