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Section 1: Assembly and Set-Up
7/14/08
BH3512 Backhoes 340-131M
Land Pride
Table of Contents
Power Beyond Closed Center Kit
Part No. 340-084A
For power beyond applications, a Power Beyond and
Closed Center Kit (Part # 340-084A) must be purchased
from your Land Pride Dealer, then perform the following
steps:
3. Remove return hose and elbow, only if it was
installed at point “B”.
4. Remove plug (#4) from port “A” and install Power
beyond sleeve (#1) in port “B” as shown in Figure 1-
2.
5. Install a #8 O-Ring ell (Part # 839-882C) (#2) into
closed center sleeve (#1) opening. This converts it to
a power beyond sleeve.
6. Install a high pressure hose going to the inlet of
another valve (front loader valve). This hose is not
furnished.
7. If the return hose was installed at Point “B” it must
be relocated and installed at point “A” of the outlet
section. Remove the O’Ring plug and install one
839-768C adapter. Connect the return hose to the
elbow and the other end to the oil sump of the tractor.
Choose the Appropriate Hosing.
Independent P.T.O.
Hydraulic Pump System
Install the independent hydraulic system onto the
backhoe according to the following procedures. Refer to
Figure 1-3 and Figure 1-4 for the identification of the
parts. During the assembly, use pipe compound on all
pipe fittings. None is required on the O-Ring fittings.
a. Insert the filter into the SUCTION PORT of the
reservoir. This is the port that is located on the left
side of the reservoir.
Power Beyond Hydraulic Systems
Figure 1-2
19386
B
A
Refer to Figure 1-1:
1. Adjust the Valve Bypass for Closed Center
Conversion only.
a. Remove the cover nut (#3) from the valve bypass.
This exposes a socket head screw.
b. Loosen locknut and turn socket head screw in
approximately four complete turns, then tighten
locknut.
c. Replace cover nut. Be sure to replace the washer
with the cover nut as it acts as a gasket.
2. Installing the Closed Center Sleeve.
a. Return hose must be connected to the return
section of the valve at point “A” and with the other
end to the tractor.
b. Remove elbow at point “B” and install the closed
center sleeve (#1). Use the plug (#2) that was
removed from port “A” to plug the sleeve.
c. With the removal of the O-Ring plug from the front
of outlet section of the valve Point “A” and
replace with a 839-768C O-Ring adapter.
Connect return line to the adapter and return to oil
sump of the tractor.
This procedure converts the valve to a closed center
operation. If the valve is set for closed center operation,
it may be converted back to open center by reversing the
above procedure.
Power Beyond Hydraulic System
If you wish to run both a loader and a backhoe from the
same hydraulic system, make your connection as
illustrated in Figure 1-2. Since there are so many
variations for this type of setup, we are showing only a
generalized hosing scheme. If you have any questions
concerning the specifics for your situation, please
contact your dealer before attempting operation.
Closed Center Hydraulic Systems
Figure 1-1
19516
A
B