NORAC UC5-BC-HD07 - Manual (Page 32)

29
10.5 Hydraulic Plumbing: Double Acting
1. After the NORAC valve is mounted, the hydraulic hoses and fittings can be plumbed. The
plumbing for the hydraulic circuit is shown schematically in Figure 4.
2. Install the 90 degree fittings on hoses H03 onto the “A” ports on the NORAC valve block.
3. Install the 90 degree fittings on hoses H02 onto the “A” and “B” ports on the NORAC
valve block. Route the free ends of the hoses to each of the wing tilt cylinders.
4. Remove the Hardi hoses from the “raise” line (the “B” line) of the cylinder and remove the
restricted straight BSPP fittings. (Figure 28)
5. Install the 4FBSPPX 6MJ fittings (F04) onto hoses H02. Install NORAC and Hardi hoses
onto the 4MBSPPT 4FBSPPRX tee (F05).
6. Remove the Hardi hoses from the “lower” line (the “A” line) of the cylinder and remove
the restricted straight BSPP fittings. (Figure 28)
7. Install the 4FBSPPX 6MJ fittings (F04) onto hoses H02. Install NORAC and Hardi hoses
onto the 4MBSPPT 4FBSPPRX tee (F05).
8. At the Hardi main valve block, remove the hydraulic hoses that run from the “raise” line of
the tilt cylinders to the valve block (Figure 29). Remove the fittings from between the
hoses and valve block.
9. Install the restrictor that was removed from the wing tilt cylinder between the hoses and
the valve block.
10. Install the fittings that were removed from the valve block between the cylinders and tee
fittings (F05).
11. Remove the pressure and tank hoses from the Hardi valve block and install the 4MBSPPT
4FBSPPRX tee (F05) between the valve block and hoses. Install the 4FBSPPX 6MJ fittings
(F04) onto hoses H01. Connect hoses H01 to each of the tee fittings and route to the
NORAC valve block. Install the corresponding hose to the pressure and tank port on the
NORAC valve block.
Figure 29: Location of Hoses on Hardi Valve Block
Eagle Boom Force Boom