Great Plains YP Fertilizer System - Manual (Page 17)

Great Plains Mfg., Inc.
Installation Instructions 17
02/29/2008 407-197M
Install H.R. Relief Valve
When used with a customer-provisioned material source,
Great Plains does not specify the precise location of the
high rate relief valve. For minimum hose length, it needs
to be close to one of the center elbow/tees of a starter
wing boom. You may wish to locate it on the right wing so
that there is no confusion about which gauge is which
when viewed from the tractor.
Refer to Figure 31
88. Select the relief valve assembly
, which does not
have a specific part number.
89. Select (or remove from assembly above):
90. Install the relief valve on the air system support
frame tube, with the valve toward planter center, and
the gauge face facing planter center (facing forward
during field operations).
Pump to Starter Relief Valve Hose
Specific instructions are not provided, as Great Plains
cannot know where your pump is located, nor what supply
line it brings to the planter.
91. These parts are provided:
H.R. Hose to Right Wing Boom
92. Select:
Refer to Figure 32
93. Connect the hose to the adaptor
at the outlet tee
of the relief valve assembly. Secure with clamp .
94. Route the hose to the elbow and tee at the cen-
ter of the right wing boom.
95. Allowing a small amount of slack, cut hose to length
and secure with clamp .
Qty Call Part Description
1 401-528D AIR TUBE SUPPORT CLAMP
2 890-521C MUFFLER CLAMP 1.63 SIZE
Figure 31
H.R. Relief Valve Assembly
27094
1
307
349
349
1
307
349
Qty Call Part Description
- 990-082R HOSE 1 ID 200PSI EPDM
2 800-257C CLAMP WRM DRV #20SS (.81-1.75)
353
320
Qty Call Part Description
- 990-081R HOSE 3/4 ID 200PSI EPDM
2 800-123C CLAMP WRM DRV #16 SS (.68-1.5)
Figure 32
H.R. Relief Valve to Right Boom
27113
318
4
352
353
338
318
352
318
4
318
338
318