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10
Section 1: Assembly and Set-Up
BH3512 Backhoes 340-131M
7/14/08
Land Pride
Table of Contents
b. Attach the 1/2” street ell to the RETURN PORT on
the reservoir. This is the port located on the right
side of the reservoir.
c. Attach the reservoir to the backhoe as shown in
the drawings that come with the pump kit.
d. Bolt the torque bar to the flange mounting of the
pump. Use the bolts, lock washers and nuts
supplied.
e. Connect all fittings as illustrated in the instruction
with the PTO hydraulic pump kit for your backhoe.
!
CAUTION!
Do not connect the pressure supply hose to return port of the
backhoe valve. This will destroy a hydraulic pump in seconds.
!
CAUTION!
This power beyond circuit should be used only when powering
your tractor and backhoe from a tractor internal system where
you have relief valve protection of the pump. If it is used on an
external pump, disconnection of any quick-coupler with the
engine running will result in almost certain pump damage.
!
CAUTION!
The hydraulic valve can be damaged by:
1. Reversing the flow of oil through the valve.
2. Hydraulic lines disconnected during transport.
3. Disconnecting the return line while the tractor is
running.
4. A faulty quick coupler.
5. More than 12 GPM of oil flow while operating the
backhoe.
6. By connecting the backhoe to a tractor valve and
actuating the valve in the wrong direction causing a
reverse flow through the backhoe valve.
IMPORTANT: If removing backhoe from tractor,
quick coupler reconnections should be made with
tractor engine off.
19388
Inlet Valve of
Backhoe Valve
Quick Coupler
Quick Coupler
Return Hose From
Backhoe Valve
Suction Filter
(Loader or Backhoe)
Oil Reservoir
(Backhoe,
Loader or
Tractor Sump)
Suction Hose To Pump
Pressure Hose
From The Pump
Return Hose From
Tractor Valve To Sump
Circuit When Backhoe
is Removed
Power Beyond
Outlet
Pressure Line
Tractor Loader
Valve
Inlet
Valve
Tee
Pump
(Male)
(Female)
(Male)
(Female)
Power Beyond Independent Hydraulic Systems
Figure 1-3
Tank
Press.