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3-18
Pre-Start Inspection and Operation
6. When the trencher boom (Item 1, Figure 3–21) has reached the proper digging depth the rock
shield (Item 2, Figure 3–21) and spoils auger (Item 3, Figure 3–21) will direct the dirt that
has been removed from the trench away from the machine.
Figure 3–21 Trencher at Proper Depth
7. SLOWLY move (feather) the travel control levers rearwards to move the trencher
backwards.
• DO NOT travel backwards too fast. The trencher could become unstable.
• Use a travel speed only as fast as ground conditions will permit smooth and even
trenching.
8. When the travel speed has been set properly for the digging conditions, steering and
direction control can be adjusted by feathering either or both of the travel control levers.
9. If you want to reverse the operation of the trencher, move the auxiliary control lever (Item 1,
Figure 3–22) to the left into the REVERSE position. The control lever will not remain in the
REVERSE position if you release it and will return to the NEUTRAL position stopping the
trencher chain.
Figure 3–22 Trencher Chain Control Lever in Backwards Position
2
1
3
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CAUTION
1
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