Overhead door 55A - Page 6

ASSEMBLY
90
100
or
•
...... ~. 1.
• 4
Correctly installed: - Header pulley assembly.
Remove front screws
from operator cover
and swing open.
ADJUSTING
ADJUSTING
NUT
SOLT HEADER PULLEY
~LY
0 fr. .
110
Page 6
Make initial adjustments to limits switches
by
plugging operator in and using transmitter to
run operator. Refer to page 20 for instructions
on how to set I imit switches. The "Down" I imit
switch should be set so that the carriage stops
approximately 7" from end of header pulley.
The
11
Up
11
limit switch should be set so that
the carriage stops approximately 18
11
from the
powerhead.
UP LIMIT
TRAVEL NUT
WARNING
Keep hands and objects clear of powerhead when
operator is running. Unplug operator when making
adjustments
to limit switches.
RETAINING ROD