6 hydraulic installation, 1 valve assembly – NORAC UC4+BC+JD7 User Manual
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4.6 H
YDRAULIC
I
NSTALLATION
WARNING!
The hydraulic system creates very
high pressure. Before disconnecting
any hydraulic lines ensure all pressure
has been bled from the system.
When changing the boom hydraulic
hoses leave the booms in
TRANSPORT POSITION.
IMPORTANT:
Component failure due to oil
contamination is not covered under
the UC4+ Spray Height Control
system warranty. It is recommended
that a qualified technician does the
hydraulic installation.
4.6.1 Valve Assembly
1. On a clean surface remove all plastic
plugs from the NORAC hydraulic Valve
(V01) (Figure 20).
2. Install the 6MB-6MOR fittings (F05) on
the "P" and "T" ports and tighten to 18
ft-lbs.
3. Install the 4MOR-4MB (F06) into the
"S" port and tighten to 11 ft-lbs.
Figure 20: NORAC Valve Block
4. Install two orifices (F08) into the "B"
ports with the notch facing outward
as shown in Figure 21.
5. Install the remaining orifices (F08) into
the "A" ports with the notch facing
inward as shown in Figure 21.
6. Install the 6MB-4MOR fittings (F07)
into the "A" and "B" ports and tighten to
18 ft-lbs.
Figure 21: Valve Block Assembly
If the Roll Control Option is also
being installed the 3
rd
station
valve can be assembled before
mounting the valve. See the Roll
Control Option Installation
Manual that came with your kit.
4. Remove the plug from the Sense Line
Bleed port. Location is shown in
Figure 22. Gently tap the plug with a
hammer to loosen it before attempting
to remove it.
5. Remove the Sense Line Bleed Orifice
and discard. Figure 22. Install the
setscrew (F11) into the Sense Line
Bleed Orifice location. Ensure the
setscrew is threaded entirely into the