Honda RM752A Operator's Manual page 28

Figure 23
3 . Repeat assembly steps one and two to install
remaining cups in remaining yoke.
Move both yokes in all directions to check for free
movement. Should movement be restricted, rap on
yokes sharply with a hammer to relieve any tension,
Repeat until yokes move in all directions
both
without restriction.
Make sure tractor PTO spring-activated locking
driveline spilne groove.
mower
26
NOTES
(1