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SKU 93167
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10. CAREFULLY REVIEW ALL ASSEMBLY COMPLETED DURING THE PREVIOUS
STEPS. Most importantly:
- Check that all Pins are properly in place and that Hair Pins are securing all the
pins properly.
- Check that all hydraulic connections are correct and fully tightened.
- Check that the lug nuts are properly tightened.
Purging Air From The Trencher
The steps that follow move the boom through its full range of travel and help to flush
air from the hydraulics, helping to ensure better performance in the future.
11. Move the Trencher to a place with wide clearance and dirt that is free from all obstructions.
Contact your local utility companies to ensure that this test spot has no hidden
utility lines.
12. Set the trencher up in this spot and start the engine as described on the following pag-
es.
WARNING: The hydraulic system is now pressurized. Use caution when near the
boom controls. Do not allow anyone to come near the boom or bucket. Nobody
except the operator should be in the vicinity of the machine during use.
13. Carefully remove all Safety Locking Pins (15) and disengage the Safety Latch (41).
14. Press forward on the Boom Swing Lever until the Boom stops moving, then pull back on
it until it moves fully in the other direction. Center the Boom.
15. Press forward on the Main Boom Lever until the Main Boom is fully raised. Then, press
Forward on the Boom Extension Lever until the Boom is fully extended.
16. Press forward on the Bucket Lever until the bucket is fully extended. Then pull back on
the lever to retract it fully.
17. Pull back on the Boom Extension Lever until the Boom Extension is pulled back all the
way. Pull back on the Main Boom Lever until the Main Boom is lowered completely.
18. Adjust the boom back to its rest position and replace all locking devices, see below.
19. Shut off the Engine, check the Hydraulic Fluid level and refill as necessary.
REV 07f
