International - ENG
February 2021
3M-Matic
™
7000a-I / 7000a3-I Pro - Type 11700 Original Instruction
Page 32
Source
Document
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related
Manuals/Translations
44-0009-2164-1 / ECO# 0078045
13.8 Box Drive Belt Replacement
Note –
3M recommends the
replacement of drive belts
in pairs, especially if belts
are unevenly worn.
Lower Drive Belts (Figure 13-1)
1. Remove and retain center
plate
(A)
and four (4) screws.
2. Loosen, but do not remove
lock nut
(B)
.
3. Loosen tension screw
(C)
until
all belt tension is removed.
4. Pull belt splicing pin
(D)
out and
remove belt.
5. Place new belt over pulleys
with laced splice at top.
Insert splicing pin.
Important –
Pin must not extend
beyond edge of belt.
6. Adjust belt tension as explained
in “Adjustments - Box Drive Belt
Tension.”
7. Replace side cover and center
plate and secure with original
fasteners.
Upper Drive Belts
(
Figure 13-2)
1. Remove and retain front
cover
(A)
and four (4) screws.
2. Loosen, but do not remove
lock nut
(B)
.
3. Loosen tension screw
(C)
until
all tension is removed from belt.
4. Move compression roller assem-
bly out to full open position.
5. Remove 4 screws on side of
belt guard
(D)
and slide belt
guard out to expose belt.
6. Pull belt splicing pin
(E)
out
and remove belt.
7. Place new belt over pulleys
with laced splice at top.
Insert splicing pin.
Important –
Pin must not extend
beyond edge of belt.
8. Adjust belt tension as explained
in “Adjustments – Box Drive Belt
Tension.”
9. Replace front cover and belt
guard(s) and secure with
original fasteners.
B
B
C
C
A
A
Figure 13-1 Lower Drive Belt Replacement
Figure 13-2
Upper Drive Belt Replacement
D
E
D
• To reduce the risk associated with
mechanical and electrical hazards:
- Turn electrical supply off and disconnect
before performing any adjustments, mainte-
nance or servicing the machine or taping heads.
WARNING
13. Maintenance and Repairs
(continued)
