NORAC UC4+BC+CS5 - Manual (Page 22)

20
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 22).
Figure 22: NORAC Valve Block
2. Install the 6MB-6MJ fittings (F02) on the
"P" and "T" ports and tighten to 18 ft-
lbs.
3. Install two orifices (F09) into the "B"
ports with the notch facing outward
as shown in Figure 23
4. Install the remaining orifices (F09) into
the "A" ports with the notch facing
inward as shown in Figure 23.
You must ensure there are no
other orifices present in the
circuit between the NORAC
valve block and the boom
cylinders.
Note: No orifices are installed in
the 3 rd station (main lift valve)
ports. (Figure 23)
5. Install the 6MB-6MOR fittings (F05)
into the "A" and "B" ports and tighten to
18 ft-lbs.
6. Install the 6MOR 6FORX90 fittings
(F07) onto the 6MB 6MOR fittings
(F05).
7. Install the 6MB 6MOR fittings (*F04)
into the “A” and “B” ports of the 3 rd
station of the block.
Figure 23: Valve Block Assembly
3 rd station
ports