3M 3M-Matic 700rks, Instructions And Parts, Page: 31 / 72

26
Maintenance
(Continued)
Figure 4-5
7. Adjust drive belt tension. Turn M8 tension screw
(E) out to increase belt tension. Use a force
gauge to pull the belt outward 25 mm [1 inch] at
midspan with a pulling force of 3.5 kg [7 lbs].
Tighten M20 lock nut (F ) to secure tension
setting.
Figure 4-5 – Belt Tension Adjustment, Lower Belt(s)
Figure 4-4
8. Install side plate (D) with (4) M6 socket head
screws (C) .
9. Replace center plate (B) with (4) M5 flat head
screws (A) .
If circuit is overloaded and circuit breaker trips, unplug
machine from electrical power:
1. Determine cause of overload and correct.
2. Remove electrical enclosure cover.
3. Press the red "Reset" button and then the
green "Start" button.
4. Replace cover.
5. Plug in machine.
6. Press machine "On" button to resume case
sealing.
Circuit Breaker
The case sealer is equipped with a circuit breaker
which trips if the motors are overloaded. Located
inside the electrical enclosure on the side of the
machine frame just below the machine bed, the circuit
breaker has been pre-set at 3.5 amps and requires no
further maintenance.
Knife Replacement, Taping Head
See Section
II
, "Maintenance – Knife Replacement",
page 9.
WARNING – The following
procedure must be performed
by trained service personnel because
of the high voltage electrical hazard
within the control box.