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4-26
Routine Service and Maintenance
10. Install the spoils auger and secure it using the nut removed earlier.
11. Set the upper span of the chain into place on the trencher boom, and then wrap the chain
around the roller at the end of the boom. Connect the chain together as shown in the “Chain
Master Link” on page 28 for instructions.
12. Tighten the chain tension adjustment bolt until the proper chain tension is set according to
the Adjusting Digging Chain Tension instructions shown earlier in this section.
Figure 4–22 Replacing Drive Sprocket
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