Great Plains YP825A Operator Manual - Manual (Page 21)

Great Plains Manufacturing, Inc. Table of Contents Index Preparation and Setup 17
2014-08-15 Table of Contents Index 401-651M
Protect Motor Seals
Applies to planters with serial numbers:
(YP425A s/n B1008N-)
(YP625A s/n B1043Q-) (YP825A s/n B1014S-)
1. Connect the fan case drain line first, before
making any other connections. Connect this line to a
low pressure drain port.
Note: Case drain hose has the smaller
1 ⁄
4
in I.D. hose and
small, flat-face, low-seep connector.
2. Connect the fan return line second.
Note: Fan pressure return hose has a large (1.06 inch/
2.7 cm diameter) quick coupler.
3. Connect the fan motor pressure hose third. If the
tractor has a priority remote, use it for the fan
connection.
4. Make lift and marker (option) connections.
Machine Damage Risk:
DO NOT connect the fan case drain line to a
power-beyond-port. Case Drain Hose must be attached first,
prior to inlet and return hoses being connected. Case Drain
Hose must be detached last, to prevent damage to the fan
motor.
Applies to planters with serial numbers:
(YP425A s/n B1009N+)
(YP625A s/n B1044Q+) (YP825A s/n B1015S+)
For complete instructions see “Fan Circuit Operation
(SN+)” on page 39.
1. Connect the motor return line , to remote circuit
return (Extend port) or to sump.
2. Connect the motor inlet line to a tractor remote
capable of 20 liters per minute. If a priority remote is
available, use it for the fan.
Figure 8
Fan Hoses (S/N-)
29781
1
2 3
1
2
3
3
4
Figure 9
Fan Hoses (S/N+)
31886
3
4