Great Plains NP3000A Predelivery Manual - Manual (Page 16)

12 NP3000 Table of Contents Index Great Plains Manufacturing, Inc.
407-613Q Table of Contents Index 03/31/2011
Install Weight Transfer Controls
Prepare Valve Assembly
Refer to Figure 16 and Figure 17
The hydraulic valve assembly
is shipped attached to
its hoses, and folded up on the main frame. Because the
hoses need to be routed under the left tank, the assem-
bly must be temporarily detached from the hoses.
1. Locate the hydraulic valve assembly:
407-637S DOWN PRESSURE VALVE ASSY-TANK
which is attached to two hoses:
811-830C HH1/2R2 084 3/4FJIC
and one each hoses:
811-551C HH3/8R2 075 3/4FJIC 3/4MORB
811-785C HH1/2R2 168 3/4FJIC
These two hoses may also be attached:
811-485C HH1/2R2 100 3/4FJIC 3/4FJIC
If the hose and assembly fittings are not marked on
both sides of the JIC connection, mark each side of
each connection 1 through 4 (or 6).
Disconnect hoses , and from the valve
assembly at the hose JIC fittings. Hitch hoses
may be left attached, but the next step, and hose
re-connecton, are easier if all hoses are detached.
Mount Valve Assembly
2. Select two:
806-022C U-BOLT 3/8-16 X 6 1/32 X 5 PLT
and four sets:
804-013C WASHER LOCK SPRING 3/8 PLT
803-014C NUT HEX 3/8-16 PLT
Attach the valve assembly to the left front of the tank
sub-frame.
Hose Connection Reference
Hose
Part
Number
Valve
Connection Function
54a 811-485C
Retract Handle to
Bypass Port “IN”
Lift and Fold
54b 811-485C
Extend Handle to
Bypass Port “R”
Lower and
Unfold
55 811-551C
Bypass Port “IN” to
Restrictor Valve
Lift
56 811-785C
Bypass Port “R” to Lift
Cylinder Rod Ends
Lower
57a 811-830C
Reducing Port “R” to
Fold Cylinder Base Ends
Unfold and
Down-Pressure
57b 811-830C
Shut-Off Valve to Fold
Cylinder Rod Ends
Fold
Figure 16
Hydraulic Valve Mounting
31931
36
28
48
42
28
28
57
55
56
54
Figure 17
Hose Connections at Valves
31944
54a
54b
57a
57b
55
56
57 55 56
54
48
42
36