NORAC UC4+BC+SC1 - Manual (Page 20)

17
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).
Figure 20: NORAC Valve Block
2. Install the 6MJT 6MBR (F02) fittings on the
"P" and "T" ports and tighten to 18 ft-lbs.
3. Install the orifices (F06) into the "B" ports
with the notch facing outward as shown
in Figure 21. An O-ring pick can be used
to ease installing the orifices into their
locations.
4. Install the orifices (F06) into the "A" ports
with the notch facing inward.
5. Install the 6MB-6MJ fittings (F03) into the
“A” and "B" ports and tighten to 18 ft-lbs.
6. Install the 6MJ 6FJX90 fittings (F05) onto
the 6MB-6MJ fittings (F03) in the “A” and
“B” ports.
Figure 21: Valve Block Assembly