Heavy Duty Assisted Lift Trunnion Operation and Maintenance Manual
Form Reference
C64.65546
Issue
5.00
19 of 39
Issue Date
May 2021
drawn through into the connection box to enable the plug coupler to be positioned onto the
coupler retention bracket.
Check that the post cannot rotate in the HD ALT bore and that the painted witness mark
(indicated below) on the post is level with the top of the HD ALT. Do not fully tighten the
locking collar until the signal is in the vertical position to allow for any settling.
MOVING THE SIGNAL TO THE VERTICAL POSITION SHOULD ONLY BE DONE
FROM A POSITION THAT DOES NOT REQUIRE THE OPERATOR(S) TO STAND
DIRECTLY IN LINE WITH THE ARC THAT THE TUBE ASSEMBLY AND POST MOVES
THROUGH.
