NORAC UC4+BC+HD8A - Manual (Page 14)

11
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.
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.
4.4.1 Expansion Block Assembly
This is only applicable if using a
44963D and 44962D in place of
44960D.
1. Remove the four 4MBP plugs from the 2-
station valve block.
2. Coat the four o-rings in hydraulic oil and
install them into the expansion block.
Ensure the o-rings are seated properly.
3. Attach the expansion block to the 2-station
block using the included spring washers and
bolts.
4. Tighten the bolts to 31 ft-lbs.
Figure 11: NORAC Valve Block