Mast Sub Assembly

Original manual page 28

Catalina 310 mast sub assembly drawing, sheet 1: mast extrusion layout with halyard exits
310 Mast Sub Assy, sheet 1. Labels include: halyard exit; main halyard; topping lift; Bullseye reefing system (optional, port and starboard); port jib; starboard jib; sailfeed slot; overall length 42'-1".
Catalina 310 mast sub assembly drawing, sheet 2: spreaders, shroud attachment and mast wiring color code
310 Mast Sub Assy, sheet 2 (dated 7.19.99). Labels include: upper shrouds; intermediate shrouds; upper spreaders; lower shrouds; lower spreaders; spreader tip detail; seizing wire holes; halyard exit location; mast wiring color code; spinnaker (optional); topping lift.