GREAT PLAINS YP-425, Operator'S Manual

Page: 23 / 134

YP-425, 625, 825, & 1025-A3P Table of Contents Index Preparation and Setup 19
2018-07-23 Table of Contents Index 401-652M
Protect Motor Seals
Applies to planters with serial numbers:
(YP3P425A s/n B1004M-) (YP3P625A s/n B1006P-)
(YP3P825A s/n B1007R-)
1. Connect the fan case drain line first, before
making any other connections. Connect this line to a
low pressure drain port.

Case drain hose has the smaller
1
/
4
inch I.D. hose
and small, flat-face, low-seep connector.
2. Connect the fan return line second.

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 marker (option) connections.
Machine Damage Risk:
D O N O T c o n n e c t t h e f a n c a s e d r a i n l i n e t o 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:
(YP3P425A s/n ) (YP3P625A s/n )
(YP3P825A s/n ) (YP1025A3Ps/n+)
For complete instructions see “ Fan Circuit Operation
(S/N+) ” on page 37.
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 6
Fan Hoses (S/N-)
29781
1
2
3
1
2
3
3
4
Figure 7
Fan Hoses (S/N+)
31886
3
4