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12. Secure the clevis pin with the supplied cotter pin.
13. Loop the digging chain over the auger drive shaft and
onto the chain drive sprocket, ensuring that the digging
teeth will point forward on the upper span.
14. Set the upper span of the chain into place on the
trencher boom, then wrap the chain around the roller at
the end of the boom.
15. Using the wrench removed in step 4, rotate the
adjustment nut counter-clockwise to extend the
trencher boom, tightening the chain. There should be
1 to 1–1/2 inches of slack in the chain on the top span.
16. Replace the wrench in the storage position to lock the
adjustment nut in place.
Installing the Safety Bar and Hose Guide
Bar
Secure the safety bar and hose guide bar to the trencher
frame, using the 4 bolts and 4 washers (Fig. 7).
IMPORTANT: While installing the hose guide, route
the hydraulic hoses between it and the safety bar.
3
1
Figure 7
1. Trencher frame
2. Safety bar
3. Hose guide bar
Installing the Spoils Auger
Before operating the trencher, install and position the
spoils auger to work correctly with the digging chain
configuration you are using. Failure to position the spoils
auger correctly may damage the trencher.
To install and position the auger, use the bolt removed
from the auger previously, to secure the auger in the
correct holes, as described in the following list:
Note: Refer to Figure 8 when performing this procedure.
Note: To change the width of cut, refer to Reconfiguring
the Digging Chain, page 10.
2
4
m–3828
5
4. Bolt
5. Washer
4" chain configuration
Using the hole closest to the auger blade in the end of
the auger with two holes, connect the auger to the
inner hole on the shaft.
6" chain configuration
Using the hole farthest from the auger blade in the end
of the auger with two holes, connect the auger to the
inner hole on the shaft.
8" chain configuration
Using the end of the auger with one hole, connect the
auger to the inner hole on the shaft.
10 or 12" chain configuration
Using the end of the auger with one hole, connect the
auger to the outer hole on the shaft.
1
1. Auger
2. Connect these holes for 4"
3. Connect these holes for 6"
6
3
2
5
4
m–3827
Figure 8
4. Connect these holes for 8"
5. Connect these holes for
10" or 12"
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