Installation & Maintenance Manual: BRBAC 1 HP
Published December 2019
Rev.A1
24
Please make sure that the E-Stop for the AC motor is connected prior to next step. The
E-stop may be required to quickly kill power to the AC motor to preserve life of the
belt for tracking purposes.
7.
Turn the conveyor on and allow the belt to run for at least 2 complete revolutions.
8.
If the belt does not properly track, adjust the snub pulleys in the tail sections and drive section.
When adjustments are made they should be minor. 1/16” adjustment to a snub pulley will
have
a large impact on the way the belt tracks.
9.
The snub rollers are attached to the frame via the snub roller bracket and (4) 3/8” carriage bolts
and serrated flange nuts. Loosen the carriage bolts and wiz nuts on the snub roller bracket on
both ends of the snub roller to begin adjustments.
10.
If the belt is tracking towards the right, move the left side of the snub roller forward. If the belt
is tracking towards the left, move the right side of the snub roller forward. Refer to Figure 17.
Figure 17: Belt tracking by adjusting snub rollers
When initially tracking the belt, ensure that the belt does not ride on a side frame for
an extended period of time as the snub roller is adjusted to track the belt. This can
damage the belt.
11.
If the belt is still not tracking, adjust the snub rollers along the conveyor frame that are close to
the portion that is tracking improperly. Refer to Figure 17.
12.
When the belt runs twice its run length without requiring additional adjustments, then the belt
is tracked properly.
13.
Tighten the 3/8” carriage bolts and serrated flange nuts on the snub roller brackets to hold
a
specific adjustment position. The torque requirement for 3/8” carriage bolt and serrated flange
nut is 31 ft-lbs.
Содержание BRBAC 1 HP
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