Great Plains YP1220 Operator Manual - Manual (Page 35)

Great Plains Manufacturing, Inc. Operating Instructions 31
03/14/2012 401-506M
Electric Clutch Lockup
Refer to Figure 32
In case of electric clutch failure, electric clutches can be
bolted together.
1. Align cutouts at bolt holes
➀
.
2. Insert M8-1.25x14mm long metric bolts
➁
.
Note: Use only 14mm length bolts as provided or ma-
chine damage will occur. Longer bolts will damage
the clutch. Shorter bolts may not effect a lock-up.
3. Unbolt field coil housing and make sure it is allowed
to move freely.
If you observe half the hole obstructed by a metal disc
, you are not at a cutout.
If the entire hole is obstructed by a metal disc , you are
not at a cutout.
When at a cutout, the bolt will screw in with minimal
resistance until the bolt head reaches the clutch face.
Machine Damage Risk:
When lubricating the planter, do not allow lubricant to enter
the clutch, or clutch slippage will result.
Row-Unit Operation
Machine Damage Risk:
IMPORTANT! Do not back up with row-units in the ground,
because this will cause severe damage and row-unit plugging.
For information on row-unit adjustments, see “20 Series
Row-Unit Adjustments” on page 43. For more informa-
tion on troubleshooting row-unit problems, see “Trouble-
shooting” on page 50.
Figure 32
Electric Clutch Lockup
22906
Figure 33
Clutch Plate Nearly at Cutout
26168
1 4
4
4