User Manual

11
5.2 Expansion Block Assembly
1. Loosen the existing 2-station valve block so that it can be moved and/or twisted for the
installation of the expansion block.
2. Remove the four 4MBP plugs from the 2 station valve block.
3. Coat the four o-rings in hydraulic oil and install them into the expansion block. Ensure the
o-rings are seated properly.
4. Attach the expansion block to the 2 station block using the included spring washers and
bolts.
5. Tighten the bolts to 31 ft-lbs (42 Nm).
Figure 9: NORAC Expansion Block Assembly