3M 3M-Matic 700rks, Instructions And Parts, Page: 30 / 72

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Maintenance
(Continued)
Lower Drive Belt(s)
REPLACEMENT – STEPS 1-9
TENSION ADJUSTMENT – STEPS 1-4 & 7-9
Figure 4-4
1. Remove (4) M5 flat head screws (A) (3 mm hex
key wrench) that secure center plate (B) and
remove center plate.
2. Remove (4) M6 socket head screws (C) (5 mm
hex key wrench) from side plate (D) and remove
side plate.
3. Loosen hex head M8 tension screw (E).
Figure 4-4 – Lower Drive Belt Replacement
4. Loosen, but do not remove, M20 lock nut (F) on
side of belt pulley frame with 19 mm wrench.
5. Pull belt splicing pin out and remove old belt.
6. Place new belt over pulleys with laced splice at
top. Insert splicing pin. Note: Pin must not
extend beyond edge of belt.