NORAC UC4+BC+JD8A - Manual (Page 26)

22
4.7.3 Valve Mounting
Orifices are not installed in the
1 st and 2 nd stations of the NORAC
three station valve block for this
sprayer because the John Deere
orifices in the wing cylinders are
used.
1. On a clean surface remove all plastic
plugs from the NORAC hydraulic Valve
(V01) (Figure 26).
2. Install the 6MB-6MOR fittings (F05) on
the "P" and "T" ports and tighten to 18
ft-lbs.
3. Install the 4MOR-4MB fitting (F06) into
the "S" port and tighten to 11 ft-lbs.
Figure 26: NORAC Valve Block
4. Install the 6MB-6MOR fittings (F05)
into the "A" and "B" ports and tighten to
18 ft-lbs.
5. Install the orifice (*F08) and the 6MB
6MOR fitting (*F05) into the “B” port of
the 3
rd station of the block.
6. Install the 6MBP plug (*F09) into the
“A” port of the 3 rd station of the block.
7. Install the .047 orifice (F07A) into the
“B” port of the expansion block with
the notch facing in. Install the 6MB-
4MOR (F12) fitting into the “B” port.
Tighten to 18 ft-lbs (24 Nm).
8. Install the .042 orifice (F07B) into the
“A” port of the expansion block with
the notch facing in. Install the 6MB-
4MOR (F12) fitting into the “A” port.
Tighten to 18 ft-lbs (24 Nm).
9. Remove the plug from the Sense Line
Bleed port. Location is shown in
Figure 27. Gently tap the plug with a
hammer to loosen it before attempting
to remove it. To access bleed orifice,
remove the valve coil that is covering it,
by unscrewing the nut on the coil.
Remove the Sense Line Bleed Orifice
and discard.
10. Install the setscrew (F11) into the Sense
Line Bleed Orifice location. Ensure the
setscrew is threaded entirely into the
hole and tightened to 35-40 in-lbs to
ensure a tight seal.
11. Reinstall the plug and tighten to 35-40
in-lbs.