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2 valve assembly: double acting – NORAC UC4.5-BC-PS1 User Manual

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Figure 27: NORAC Valve Block Details (Single Acting)

8.2 Valve Assembly: Double Acting

1. On a clean surface remove the plastic plugs from the block.

2. Install the 6MB-6MJ (F07) fittings into the P and T ports. Tighten to 18 ft-lbs (24 Nm).

3. Insert the two orifices (F08) into the “B” ports with the notch facing out.

4. Install the 6MB-6MJ (F07) fittings into the “B” ports. Tighten to 18 ft-lbs (24 Nm).

5. Insert the two orifices (F08) into the “A” ports with the notch facing in.

6. Install the 6MB-6MJ (F07) fittings into the “A” ports. Tighten to 18 ft-lbs (24 Nm).

Fitting F07 is a special fitting; if an additional coupler is required, contact NORAC.

Figure 28: NORAC Valve Block Details (Double Acting)