Beisler 1911-4 - Manual (Page 40)

Short Seam Automat 1911-4 / 1912-4 Working Instructions
- C 40 -
Beisler Automated Sewing Equipment
C.5
Maintenance
C.5.4 Repairs
Clamp transport belt replacement:
1. Disconnect machine from power supply system.
2. Fig. 8: Remove retaining screws
3 from drive roller
cover
2 and remove cover.
3. Remove two retaining screws from slide roller cover
a and remove cover b.
4. Loosen two belt lock screws
5 and release belt ten-
sion
8.
5. Loosen lock nuts
7 of set screws 6 and rotate two
set screws backward.
6. Remove belt and open connector
4.
7. Fig. 7: Remove two connecting screws
1. Separa-
te upper part
2 from lower part 4 of connector.
8. Push clamp to left end position until it reaches the stop.
9. Fig. 8: Install belt over guide pulley
9 to drive roller
1 and slide roller c.
10.Fig. 7: Position connector and secure it using the
screws.
NOTE - Connector alignment!
To prevent the connector from moving over the drive or
guide rollers during clamp transport, the connector must
be positioned at a distance of exactly 60 mm from the right
end point of the clamp transport.
Fig. 8
Fig. 7/8
Fig. 7
11. The ends of the belt
3 are fitted with holes. Install
the upper and lower part exactly over the holes of the belt
and connect the two parts and the belt using the connecting
screws.
12.Fig. 8: Tension belt by tightening two set screws
6
until the belt can be depressed approx 10 mm with di-
stinct counterpressure at the middle of the linear rail.
Tighten lock nuts
7 and lock screws 5
13. Install the two covers
2 and b.
1
2
60 mm
3 4
a 9 b c
2
1
3 4 6
8
5
5 7 6