Cellboost BOXER 999-823 Manual Do Utilizador
4-20
Routine Service and Maintenance
Adjusting Digging Chain Tension
Adjust the digging chain tension every 25 operating hours. With the trencher parallel to the
ground, make sure that there is 1¾" to 2" of chain sag between the bottom of the boom and the
top of the bottom chain span. See
Adjust the digging chain tension every 25 operating hours. With the trencher parallel to the
ground, make sure that there is 1¾" to 2" of chain sag between the bottom of the boom and the
top of the bottom chain span. See
.
• For a new chain, check the chain sag after the first hour of operation.
• Depending on working conditions, chain sag adjustments may need to be done more
• Depending on working conditions, chain sag adjustments may need to be done more
frequently.
If a chain sag adjustment is needed, adjust the chain using the following procedure:
Figure 4–18 Chain Sag
Do not over tighten the chain. Excess chain tension may damage drive components.
NOTICE
1 3/4 - 2”
2457
NOTICE