PSC 2000781J MkII MLB Operating Procedure page 41

Figure 13-1: Verify Lower Ring is leveled prior to mating SV.
Figure 13-2: Be cognizant of translational and rotational alignment and compliance.
Figure 13-3: Verify parallelism of compressed Lightband.
PSC Proprietary 2000781J MkII MLB Operating Procedure Page 41 of 50