Great Plains NTA3007 Operator Manual - Manual (Page 51)

Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 47
2012-07-02 Table of Contents Index 166-371M
12. Disable the Tilt solenoid valve.
Fold: Set Tractor for Fold
13. If tractor movement during fold is acceptable:
set steering straight ahead,
put tractor transmission in neutral,
release tractor parking brake.
To avoid drill movement during fold, use chocks.
Fold: Fold Wings
Configuration checking, opener lift, FIELD-to-ROAD
locks and tractor preset (step 1 through step 13 starting
on page 45) must be completed before performing the
next steps.
Refer to Figure 41
14. On the CFM switch, enable fold.
15. Actuate the fold/tilt/marker circuit to extend the fold
cylinders.
Refer to Figure 42
16. Watch for tongue lock un-hook.
This is the first event in the folding sequence, and
must occur for the balance of the sequence to
complete.
If the un-hook does not occur, reverse the lever
briefly, set the circuit to neutral, and back the tractor
up slightly to relieve tension at the hook.
Figure 40
CFM Tilt-Up Complete
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Note: If tractor movement is not desired: put tractor
transmission in Park, set tractor parking brake,
and release drill brakes (if drill is brake-equipped,
and tractor can separately control drill brakes).
Note: Some tractor movement may be required to
release the tongue hook and/or bring the folded
wings within reach of the transport hook.
Figure 41
CFM Fold Enable
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Fold Initiate: Circuit Operation
Lift
Fan,
Auger
Fold, Tilt,
Marker
Transport
Hooks
Neutral Neutral Extend Neutral
Figure 42
Tongue Hook Released
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