Maintenance & Alignment
Tensioning the Chains
5
5-4 EGdoc091010 Maintenance & Alignment
5.3 Tensioning the Chains
Board Feed Drive Chains
Check the board feed drive chains for tension every 40 hours of operation and tension as necessary.
The chains should have approximately 15mm of slack. NOTE: The smaller idler chains have no
adjustment.
See Figure 5-3. To tension the drive chains, unbolt and open the gearbox housing cover.
Loosen the four gearbox mounting bolts.
Use the adjustment bolts underneath the gearbox to raise the gearbox until the chains are
tensioned as needed. Be sure to adjust the bolts evenly.
FIG. 5-2
4kg
1
4
m
m
Adjustment Bolts
Mounting Bolts
Drive Belts
40
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