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3-11. Drive Chain
This is not a routine adjustment. Normally, it is
necessary only after major disassembly or repair of
related components.
Specification
There is no exact chain tension specification.
Adjust the chain so that it is just tight enough to
drive reliably without slack.
Adjustment
Loosen three bolts, adjust the chain, and retighten
the bolts. Refer to Figure 3-12.
ü Note
If you adjust the drive chain, it is also necessary to
adjust the upper and lower motor drive belts. Refer
to Section 3-10, Motor Drive Belts, Upper and
Lower.
Figure 3-12. Drive Chain Adjustment
Adjustments 3M-Matic 800rf Case Sealer
3-10 Copyright 1999, 3M IPC. All rights reserved.
3-12. Safety Door Interlock
This is not a routine adjustment. Normally, it is
necessary only after major disassembly or repair of
related components.
Specification
Adjust each door interlock switch so that it de-
actuates when the safety door is fully closed and
actuates when the safety door is opened slightly.
Adjustment
1. Check that all four doors are aligned flush with
the door frames, and that each switch actuator
mounted on the door fits securely into the red
interlock switch.
2. Loosen the two screws securing the interlock
switch to the door frame. Refer to Figure 3-13.
3. With the door fully closed, hold the switch
actuator and interlock switch firmly together and
tighten the screws.
4. Test the door interlock with the electrical power
on.
a. Open the door. The red E-STOP/SLIDING
DOOR indicator lights on the Electrical
Control Panel.
b. Close the door. The indicator turns off.
Figure 3-13. Safety Door Interlock Adjustment