Great Plains 3S-3000 Installation Instructions - Manual (Page 6)

Great Plains Mfg., Inc.
6 Open Center Hydraulic Kit
194-149M 09/05/2012
3S Shuttle Valve Installation
Refer to Figure 7
35. Select two sets of:
802-551C HHCS 1/4-20X2 1/4 GR5
804-075C WASHER FLAT 1/4 USS PLT
804-006C WASHER LOCK SPRING 1/4 PLT
803-006C NUT HEX 1/4-20 PLT
36. Place a flat washer on each bolt , and insert
the bolts through the top holes of the bulkhead .
Place a lock washer and nut on the end of
the the threads. Spin the nut on just a few turns.
37. Select the shuttle valve assembled at step 25.
With Port 1 to drill Right, place the valve against the
bulkhead
between the bolts and under the
washers . Tighten the nuts to torque specifi-
cations.
3S Shuttle Valve Hoses
Step 38 through step 42 re-connect the hoses discon-
nected at step 31.
Refer to Figure 8 on page 7
38. Identify the two existing 20in or 21in hoses
con-
nected to the top Ports P of the pressure control
valves.
Re-connect the other end of these hoses to the left
and right ports of the top swivel tee
at the shuttle
valve Port 3.
39. Identify the two existing 18in hoses connected to
the bottom Port T tee of the pressure control valves.
Re-connect the other end of these hoses to the lat-
eral ports of the right forward swivel tee
at the
shuttle valve Port 1.
40. Identify the tractor circuit hoses and marked
at step 31.
41. Connect the “Lower” hose to the rear port of
the top tee at the shuttle valve Port 3.
Note: If the drill is equipped with a filter, this is the hose
connected from the filter.
42. Connect the “Raise” hose to the rear port of
the right side tee at the shuttle valve Port 1. This
port is not visible in the Figure.
43. Select two new:
811-531C HH1/4R2 018 9/16FJIC9/16MORB90
44. Connect the 90 degree ORB end of these hoses to
the bottom Port (3) of each check valve .
45. Route the JIC end of each hose to the JIC ports of
the tee at the left Port 2 of the shuttle valve .
46. Tighten all hose connections to torque specifica-
tions.
47. Continue at “Closeout” on page 21.
FigureSpacer
Figure 7
Install 3S Shuttle Valve
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U
D
F
B
L
R
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4
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4 12
15 13
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58 59
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