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Tractor Stack Valve Modifications S/N 398797 & UP
Tractor Stack Valve Hose Connections:
5.
Pressure and Return Hose Connections. Lo-
cate the two # 8 Hoses, one hose has a Red Plastic tie
(hose part # 02976714) and the other Hose has an
Orange Plastic tie (hose part # 02976713). Both Hoses
are 190" long and will have a Plastic tie on both ends.
Hoses need to be inserted down under valve to prevent
the 3 Point Lift Arm Cylinders of tractor from interfering
with them (See Figure 35). After Both Hoses are
connected and tightened (See Figure 35), the Hoses
will be run under floor of tractor cab to just under RH
Door (See Figure 36). Here they come out and are run
along Tractor RH Frame Rail to the Front of Tractor.
The Hoses will lay behind RH front Rail support and
run along the other hose to the front of the tractor.
Do not tie hose to frame rail at this time.
6.
Load Sense Hose Connection on the JD Stack
Valve. The load sense hose connects to the replace-
ment end spacer that has been installed to RH end of
Stack valve. (See Figure 35). This is a # 4 Hose that
is 190" Long, (hose part # 02215700). Run the hose
through under Cab with the Pressure and Return
Hoses. This hose will come out and run along with
them to the front. (36 & 37). Do not tie hoses to Tractor
Frame Rail yet, this will be done later.
7.
Stack Valve to Control Valve Hose Routing.
The Hoses from the Stack Valve, Note LH reference is
from sitting in Tractor Seat Looking forward.
A.
The Pressure "P" Port Hose from Trac-
tor Stack Valve to the "IN" side of the Filter. This Filter
is the smaller canister Filter mounted on the LH side of
Tank (See Figure 38). The Hose on the "OUT" side of
Filter will run to the "P" Port of Control Valve.
B.
The Return "T" Port Hose will run direct
from the Stack Valve of Tractor to the "T" Port of
Control valve (See Figure 38).
C.
The Load Sense Hose runs from the
Tractor Stack Valve to the Lower LH side of the Control
Valve (See Figure 40). This will be an Elbow fitting
coming out of the Lower Valve End Plate next to the "P"
Port opening. If the Valve does not have this Load
Sense Port, Check to make sure the Valve is a Load
Sense Type.
D.
Hose routing Schematic. For Hose
Routing Stack valve to Control Valve (See Figure 40).
Machete (JD -62,63,6420 Asy Man) 10/04
© 2004 Alamo Group Inc.
(continued)
Figure 35
Pull Hoses Under
Cab Floor
Figure 36
Figure 37
Section 5 - 16
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