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Chapter 7. Ordinary maintenance
7.6. Substituting the rubber and Teflon
When the Teflon-strikers (32) are worn out, substitute them
with spare parts, making sure the application is linear and
even.
Before applying the Teflon self-adhesive strip clean the rubber
part (33) with a detergent.
If the rubber (33) is also damaged, substitute it as follows:
Remove the old rubber
Clean its housing
Insert the new rubber in a linear way
Clean the rubber with a detergent
Apply the self-adhesive Teflon-strip.
7.7. Changing the sealing blade
To substitute the sealing blade (13) follow this procedure:
Disconnect power to the machine
Unscrew the three screws (20), (21), (22)
Remove the old sealing blade
Clean the housing and if necessary substitute the insulating
Teflon (23) of the central clamp
Insert the new sealing blade starting from the central clamp
and tighten the screw (21)
Trim the new sealing blade according to the holes of the
pistons (24) and (25)
Complete the insertion if the sealing blade in the whole
housing
Push the rear piston completely (24) towards the sealing
blade to make it enter the hole of the piston itself and then
tighten screw (22)
Push the front piston (25) completely towards the sealing
blade to make it enter the hole of the piston itself and then
tighten screw (20)
Trim the Teflon projecting from the central clamp
Make sure that the sealing blade is well positioned and
under tension.
7.8. Replacement of the supply cord
ATTENTION!
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.
7.9. Wiring diagram
(page 98)
B1
Cycle start limit switch
B2
Rewinder limit switch
BT1
Thermocouple
C1
Motor capacitor
E1/2
Cooling fan
E3
Cooling fan
ER1
Sealing blade heater
ER2
Shrinking heater
FQ1
Safety thermostat
FU1/2
Line fuse 10.3X38
FU3
Card supplier fuse 5X20
FU4/5
Fan motor fuse 5X20
FU6/7
Ventilator fuse, cooling pump, rewinder 5X20
FU8
Magnet fuse 5X20
K1
Power board
K2
Control board
M1
Fan motor
M2
Rewinder motor
M3
Cooling pump motor
R1
Motor brake resistor
R2
Motor brake resistor
Q1
Main switch
Q2
Rewinder switch
S1
Membrane keyboard
T1
Cutting transformer
U1
Shrinking magnet
U2
Sealing magnet
X1
Rewinder power supply socket
X2
Rewinder power supply plug
23
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