3M Matic 7000r Instructions And Parts List page 58

12. Operation
12.9 Trouble Shooting Guide
(also Refer to Factory Settings in Section 11)
Problem
Drive Belts do not
convey boxes
Drive Belts
do not turn
Drive Belts break
Squeaking noise as
boxes pass through
machine
Tape not centered on
box seam
Upper Drive Assembly
does not move up,
moves up slowly or
fails to operate
Upper taping head
does not move down at
the end of Taping Cycle
3M-Matic 7000r-7000r3 HS Pro - Type 11800
™
Page 46
44-0009-2152-6 / ECO# 0078045
(continued)
Cause
Narrow boxes
Worn Drive Belts
Upper Taping Head does not
apply enough pressure
Worn or missing Friction Rings
Drive Belt tension too low
Electrical disconnect
Circuit breaker not at correct setting
Motor not turning
Worn belt
Dry Column Bearings
Defective Column Bearings
Tape Drum not centered
Centering Guides not centered
Box fl aps not of equal length
Main air pressure is too low
Defective or incorrect position
setting Upper Drive Raising Switch.
Defective Upper Drive Raising
Switch Solenoid Valve
Upper Assembly Counter Balance
Pressure set too high
Defective Upper Drive Assembly
Counter Balance Regulator
Defective One-Way Valve
Defective Head Raising
Solenoid Valve
Correction
Check machine specifi cations.
Boxes are narrower than
recommended (causing slippage
and premature belt wear).
Replace Drive Belts
Adjust the Upper Drive Assembly
Counter Balance Regulator to
increase force against top of box.
Replace Friction Rings
Adjust Drive Belt tension
Check power and electrical plug
Set to correct current value
Evaluate problem and correct
Replace belt
Lubricate Column Bearings
Replace Column Bearings
Reposition Tape Drum
Adjust Centering Guides
Check box specifi cations
Disconnect the air supply.
Make sure main pressure regula-
tor reads zero. Reconnect air
supply and adjust regulator to
read 90 PSIG [6.2 bar].
Adjust/Replace Raising Switch
Replace Upper Drive Raising
Switch Solenoid Valve
Adjust Counter Balance Pressure
to reduce pressure
Replace Regulator
Replace One-Way Valve
Replace Solenoid Valve
(continued)
North American - ENG
Date Released:
05-22-18