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Installation 17
Doc 01-G0674
Rev E
MODEL BG790 ADJUSTMENTS
1 If necessary, rotate the pulley on the motor by hand until the upper and lower cranks are
in a vertical position (see Figure 13). This is the lowest point of travel and should be
preset in this position at the factory.
2 If the arm is not level, loosen the jam nuts on both the top and bottom end of the
turnbuckle shaft.
3 Rotate the shaft either CW or CCW as necessary until the gate arm is in the desired
horizontal position.
NOTE: While the arm is raising, the upper and lower cranks should travel toward the
side access cover.
Turnbuckle Shaft
Jam Nut
Lower Crank
Arm in closed
position
See Note
Pulley
Upper Crank
Arm in closed
position
01-G0674F15
Figure 13: Model BG790