13
SERVICE AND REPAIRS OF
ELECTRIC BAND SAW
All quality tools will eventually require servicing or replacement of parts due to wear from
normal use. These operations, including brush inspection and replacement, should ONLY be
performed by an AUTHORIZED CS UNITEC SERVICE STATION. We cannot guarantee
repairs made or attempted by anyone other than these agencies.
Should you have any questions about your tools, feel free to call us at any time. In any
communications, please give all informaiton shown on the nameplate of your tool.
WARNING: Electric reparis should only be attempted by a trained repairman.
DISASSEMBLY AND REASSEMBLY
OF THE AIR BAND SAW
Refer to the sectional drawing and to the spare parts list when disassembling
and reassembling.
Remove motor with handle from band saw head after undoing screws (77).
Diassembly of Motor (for changing the vanes)
Unlock locking ring (18) and take out front motor component consisting of thrust collar
(16), Belleville spring (17) and shaft seal ring (20) with ring (19).
Touch the motor housing softly to a wooden surface to pull out inner motor parts.
Pull off end plate (12) with bearing (13), snap ring (14) and spacer (15) from rotor (10)
and take out locking pin (8). Disassemble snap ring (14) and take out bearing (13).
Remove cylinder bushing (6 ) and vanes (11). Pull off end plate (2) with bearing (3) and
spacer (5) from rear rotor seat (10). Unlock snap ring (4) and disassemble bearing (3.)
Remove sound absorber (9).
Screw off silencer (22).
Reassembly of Motor
Reassembly is performed essentially the same as disassembly, but in reverse order. Inspect
all parts for wear and damage. Replace any worn or damaged parts.
Vanes (11), should be exchanged.
Vanes are considered worn if their width is less than 9.7 mm (3/8“)
Disassembly of Handle
Untighten screw plug (37). Remove spring (35), ball (34), seal (32) and cylindrical
pin (33).
Hit out double notched pin (31) and remove Pusher (30).
Take out screw plug (40), spring (39) and locking bolt (38).
Reassembly of Handle
Reassembly is performed in reverse order.
