Toro 25200, Руководство оператора

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Using the Trencher
Checking the Tooth-mounting Bolts
Service Interval: Before each use or daily
Check the mounting bolts of all the chain teeth ( Figure 25 ),
and tighten the bolts as needed.
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Figure 25
1. Mounting bolts
Positioning the Seat for Trenching
Fasten the seat belt and rotate the seat to the trenching
position.
Note:
You must be seated in the operator’s seat before
moving the machine; otherwise, the engine stops in 1 second.
Using the Trencher Controls
•
Move the rear attachment speed control lever forward to
actuate the digging chain in the forward direction.
•
Move the lever further forward to increase the chain
speed.
•
Move the lever further rearward to decrease the chain
speed.
Move the control to the N
EUTRAL
position (A) to stop
the chain; move the control lever rearward (B) to reverse
the chain direction.
• To lower the trencher boom to the desired depth, push
the attachment control lever away from you; to raise
the trencher boom, pull the control lever toward you.
When you release the control lever, it will return to the
N
EUTRAL
position automatically.
Positioning the Boom for Trenching
For the best trenching performance and the smoothest
machine operation, the boom must be in the full down
trenching position (
Figure 26 ). Having the boom in this
position pulls the machine down for better traction. The
ground drive simply pulls the trencher teeth into the face of
the trench.
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Figure 26
When you raise the boom from the full down position, the
trenching load pulls the machine rearward. This pulling
reduces the traction and may cause the machine to bounce
and pull when the chain contacts roots or rocks. The rearward
pull of the trenching operation also works against the ground
drive, causing the engine to work harder.
Starting a Trench
Important:
Know the location of all underground
utilities before operating the machine on the work site.
1. Ensure that all persons are away from the machine
before you start the engine and while you are trenching.
2. Start the engine; refer to the traction unit Operator’s
Manual .
3. Run the engine at 1/4 throttle until the engine reaches
the operating temperature.
4. Move the crumber (if equipped) to the Transport
position (
Figure 27 ).
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