NORAC UC4+BC+HG - Manual (Page 18)

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4.4 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.
Depending on the valve block part
number, the A and B ports may be
reversed. Ensure that the orifices are
oriented properly for the A and B ports
or the system will not function properly.
4.4.1 Valve Mounting
1. On a clean surface remove all plastic
plugs from the NORAC hydraulic Valve
(V01) (Figure 19).
44963D
44933D
Figure 19 – NORAC Valve Block
4. Install the orifices (F08) into the "B"
ports with the notch facing outward as
shown in Figure 20.
5. Install the orifices (F08) into the "A"
ports with the notch facing inward as
shown in Figure 20.
6. Install the 6MB-6MJ fittings (F05) into
the A and B ports and tighten to 18 ft-
lbs.
7. Install 6MB-6MJ fittings (F05) into the
P and T ports and tighten to 18 ft-lbs.