Nexen PRD750 966901 - Manual (Page 6)

FORM NO. L-21265-B-0312 6
MOUNTING SURFACE DETAILS
The surface used to mount the PRD should be
machined to a flatness of .050mm as shown to
ensure proper alignment. See Figure 1.
All provided provisions for fasteners should be
utilized.
Make sure there is proper clearance around the
gearbox as seen in Figure 1.
Figure 1
Clearance
Required