IMPORTANT: Use care when handling the valve
cartridge. Slight bending or distortion of the
stem tube can cause binding and malfunction.
2. Position hydraulic manifold to the frame mounting
bracket. Install four (4) cap screws and flat washers to
secure manifold to machine.
B. Thread cartridge valve carefully into correct man-
ifold port. The valve should go in easily without bind-
ing.
3. Make sure all hydraulic connections, ports and fit-
tings are clean.
4.
Remove caps or plugs that were put on hydraulic
C. Torque cartridge valve using a deep socket to val-
ues identified in Figures 40 and 41.
lines or fittings during disassembly.
5. Lightly oil new O–rings for hydraulic fitting and hose
locations.
8.
solenoid coil onto the cartridge valve. Install nut and
If solenoid cartridge was removed, carefully install
6.
Using labels placed during the removal process, cor-
torque nut to 36 in–lb (4.1 N–m).
rectly connect hydraulic lines to the manifold. Properly
tighten all hydraulic connections (see Hydraulic Fitting
Installation in the General Information section of this
chapter).
9.
After assembly, if problems still exist, remove valve
and clean again or replace valve.
Manifold Installation (Figs. 40 and 41)
7.
noid valve.
Connect wire harness electrical connector to sole-
1.
Lightly oil new O–rings for all removed hydraulic fit-
tings. Install hydraulic fittings to control manifold (see
Hydraulic Fitting Installation in the General Information
section of this chapter).
Topdresser 1800 & 2500
Page 3 – 47
Hydraulic System
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