Installation & Maintenance Manual: BRBAC 1 HP
Published December 2019
Rev.A1
39
6.7
Snub Roller Replacement
The following instructions outline the BRBAC snub roller replacement procedure.
1.
Ensure that the power to the AC motor is switched off.
ZiPline Conveyor recommends using
Lockout/Tagout (LOTO) procedures for this operation.
2.
Mark/measure the position of the tensioner rods on the drive section of the conveyor.
3.
Loosen the take-up equally on both sides of the conveyor. This relaxes the belt tension across
the conveyor. To loosen the take-up pulley, move the take-up bearings towards the upstream
side of the conveyor.
4.
Remove the (2)
3/8” carriage bolt and serrated flange nut of the snub roller bracket
on each
side.
5.
Remove the bracket from the side frame. Figure 34 illustrates this step.
Figure 34: Snub roller bracket
6.
The snub roller has a spring-loaded hex shaft. Using a punch or similar tool, push the hex of the
snub roller into the side frame. Reach under the side frame and pull the roller down and out of
the frame.
7.
Install the replacement (new) snub roller into the side frame and push the hex into the roller.
Push up the snub roller into the frame and line up the hex with the slot. The hex should pop out
through the slot.
8.
Install the snub roller bracket on both sides. Re-install the hardware to the frame.
Finger-tighten
the hardware to position the take-up frame.
9.
Re-track and re-tension the belt. Refer to section 5.4 for further information. Ensure to torque
the hardware at the end of this step. The torque requirements for the carriage bolts and
serrated flange nuts is 31 ft-lb.
6.8
Idler Roller Replacement
The following instructions outline the BRBAC idler roller replacement procedure.
1.
Ensure that the power to the AC motor is switched off.
ZiPline Conveyor recommends using
Lockout/Tagout (LOTO) procedures for this operation.
Summary of Contents for BRBAC 1 HP
Page 1: ...Installation and Maintenance Manual Model BRBAC 1 HP Effective December 2019 Rev A1...
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