NORAC UC4+BC+HD7 - Manual (Page 24)

21
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 23).
Figure 23: NORAC Valve Block
2. Install two 6MB 6MJ (F02) fittings on
the "P" and "T" ports and tighten to 18
ft-lbs.
3. At this point the sprayer hydraulic
system must be identified as being single
acting or double acting.
4.6.1.1 Double Acting Assembly
1. Install the orifices (F01) into the "B"
ports with the notch facing outward
as shown in Figure 24.
2. Install the orifices (F01) into the "A"
ports with the notch facing inward
as shown in Figure 24.
3. Install the 6MB 6MJ (F02) fittings into
the ports and tighten to 18 ft-lbs.
Figure 24: Double Acting Valve Block
Assembly
4.6.1.2 Single Acting Assembly
1. Install the orifices (F01) into the "B"
ports with the notch facing outward
as shown in Figure 25.
2. Install two 6MB 6MJ (F02) fittings into
the "B" ports and tighten to 18 ft-lbs.
3. Install the 6MBP (F03) plugs into the
"A" ports and tighten to 18 ft-lbs.