24
Maintenance
(Continued)
Drive Belt Replacement/Tension Adjustment
Note
3M recommends the replacement of drive
belts in pairs, especially if belts are unevenly worn.
Figure 4-2 Upper Drive Belt Replacement
Figure 4-3 Belt Tension Adjustment, Upper Belt(s)
Upper Drive Belts
REPLACEMENT STEPS 1-8
TENSION ADJUSTMENT STEPS 1-3 & 6-8
Figure 4-2
1. Remove (4) M5 flat head screws
(A)
with 3 mm
hex key wrench that secure upper frame center
cover
(B)
, turn cover sideways and move to back
of opening.
2. Loosen hex head M8 tension screw
(C)
with
13 mm wrench.
3. Hold or block upper drive belt back and loosen
M10 lock nut
(D)
with 17 mm wrench.
4. Rotate belt on pulleys until splicing pin
(E)
is at
bottom.
5. Remove splicing pin and attach new belt to old
belt with splicing pin. Pull new belt around
pulleys with old belt. Remove old belt and install
splicing pin in new belt.
Note:
Pin must not extend beyond edge of belt.
Figure 4-3
6. Adjust belt tension. Turn hex head M8 tension
screw
(C)
out to tighten belt. Use a force gauge
to pull the belt out 25 mm [1 inch] at midspan
with a pulling force of 3,5 kg [7 lbs].
Figure 4-2
7. Tighten M10 lock nut
(D)
to secure tension
setting.
8. Replace upper frame cover with (4) M5 flat head
screws.
Summary of Contents for 3M-Matic 700rks
Page 9: ...4 Figure 1 2 Replacement Labels 3M Part Numbers Important Safeguards Continued...
Page 10: ...5 Important Safeguards Continued Figure 1 3 Replacement Labels 3M Part Numbers...
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Page 48: ...43 700rks Adjustable Case Sealer Frame Assemblies...
Page 49: ...44 700rks Adjustable Case Sealer Figure 3894...
Page 51: ...46 700rks Adjustable Case Sealer Figure 3895 1 of 2...
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Page 55: ...50 700rks Adjustable Case Sealer Figure 4046...
Page 57: ...52 700rks Adjustable Case Sealer Figure 7356...
Page 59: ...54 700rks Adjustable Case Sealer Figure 7357 1 of 2...
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Page 63: ...58 700rks Adjustable Case Sealer Figure 7358...
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Page 69: ...64 700rks Adjustable Case Sealer Figure 7360...