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Tractor Stack Valve Modifications S/N 398796 & Down
Tractor Stack Valve Hose
Connections:
1.
Clean the Area around Stack Valve on
rear of Tractor. The area around the Stack Valve
on Tractor must be cleaned of all dirt before any
work is performed; NO DIRT or any contamina-
tion can be allowed to get in Hydraulic System at
all. If Hydraulic System is contaminated it will be
damaged.
2.
Identify the Pressure and Return Ports
on the JD Stack Valve. These are located on the
Tractor Stack valve in the rear of the Tractor. The
Pressure and Return Ports will have plastic
Plugs in them (See Figure 13). Remove the
Plastic plugs and using an Allen Wrench remove
the Allen Head Plugs one at a time (See Figure
14).
3.
Install Straight Adapters. The Plugs will
be replaced with the two Straight Hydraulic Adapt-
ers 10MJ-22MM (Part # 02969508), tighten these
Adapters to proper torque now but leave plastic
caps on them (See Figure 15). See Chart on
Page 5-10 to torque specs.
4.
Install Elbow Adapters. Attach two Elbow
Adapters 10FJX-BMJ90 (Part # 02969401) to the
two Straight Hydraulic Adapters. Tighten these
Elbows with them pointing down, leave the plas-
tic caps on them. (See Figure 16 and 17)
Figure 15
Machete (JD -62,63,6420 Asy Man) 10/04
© 2004 Alamo Group Inc.
10MJ-22MM
(Part # 02969508
Straight Adapters
Section 5 - 6
"P"
Pressure
Supply
Figure 13
Allen
Wrench
Figure 14
10FX-BMJ90
(Part # 02969401)
90 Elbow Adapter
Figure 16
Not used do not
remove this plug
"T'
Tank
Return
Allen Head
Plugs (2)
"P"
"T"
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