MR-Conveyor-Maintenance-Guide.pdf - 第29页
EN - 0034 Rev. F MR Conveyor Maintenance G uide 29 3/12/2024 Non-Routine Maintenance Driv e Pos t Replacement Procedure For Belt Drive Models: 1) Unplug po wer to Conveyor. 2) Rem ove the Motor Cov er. 3) Rem ove the Cov…

EN-0034 Rev. F MR Conveyor Maintenance Guide 28
3/12/2024
Troubleshooting
Important: When performing any maintenance, make certain that the Drive Assembly is
free to turn before applying power to the Motor.
Problem Possible Cause(s) Solution
Conveyor Rollers
are not turning.
a) Is the Motor turning?
b) Is the Drive Belt OK?
c) Are the Covers on
tightly?
a) If not, refer to Motor problems.
b) Check the Drive Belt.
c) Loosen and retighten the
Covers to ensure that the
Guides are in contact with
Timing Belt.
The Motor is not
turning.
a) Is a fuse blown?
b) Is the speed adjustment
turned down?
c) Is there a faulty
connection?
d) Is the Motor Control
Card receiving 24VDC?
a) Replace blown fuse.
b) Adjust the speed on the Motor
Control Card.
c) Check to see that the Motor is
plugged in and no wires are loose on
the Motor Control Card.
d) Use a volt meter and check the
potential across terminal numbers 4
and 5 of the Control Card.
The Motor will turn,
but only when
started by hand.
a) If the Motor will not start
on it’s own, but will run if
manually started, the
Motor Control Card is
likely at fault.
b) Is it a faulty Motor or
Motor Control Card?
c) Is it a bad wire
connection?
a) Replace the Control Card.
b) Try another Motor on this Control
Card and/or this Motor on another
Control Card. Replace the defective
component.
c) Check the connections between the
Motor Control Card and the Motor.
Repair any loose connections.
Motor Fuses
continually blow.
(High Current)
a) Is the Conveyor
assembled correctly?
b) Is it a bad Motor or Motor
Control Card?
a) Check that the Drive Assembly turns
easily by hand.
b) Try another Motor on this Control
Card and/or this Motor on another
Control Card. Replace the defective
component.

EN-0034 Rev. F MR Conveyor Maintenance Guide 29
3/12/2024
Non-Routine Maintenance
Drive Post Replacement
Procedure For Belt Drive Models:
1) Unplug power to Conveyor.
2) Remove the Motor Cover.
3) Remove the Covers and the Product Guide.
4) Remove the Collar Clamp (See Page 11).
5) Remove the Drive belt (See Page 13).
6) Pull the Drive Side Pulley and Passive Side Pulley away from the Rails and off
of the Drive Posts.
7) Remove the Drive Post(s).
8) If necessary, use a 10-32 tap to re-tap the Drive Post hole(s). Tap from the
outside of the Rail towards the inside.
9) Inspect the 10-32 hole, if the hole will not allow the Drive Post to be securely
and squarely attached to the Rail, the Rail will have to be replaced.
10) Place a small amount of “Loctite 242” onto the threads of the new Drive Post
(s) and tighten onto the Rail(s).
11) Slide the Passive Side Pulley and the Drive Side Pulley (with Timing Belts)
onto the Drive Posts.
12) Attach the Drive Belt (See Page 13).
13) Assemble the Collar Clamp (See Page 11).
14) Replace the Product guide.
15) Hand Power the Conveyor (See Page 8).
16) Replace the Covers.
17) Hand Power the Conveyor.
18) Replace the Motor Cover.
19) Turn on the Conveyor.

EN-0034 Rev. F MR Conveyor Maintenance Guide 30
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Non-Routine Maintenance (cont.)
Rail Replacement-Belt Drive or Direct Drive
Procedure:
1) Unplug power to the Conveyor.
2) Remove the Cover and the Product Guide.
3) Remove the Collar Clamp (See Page 11) for Belt Drive Models.
4) If you are replacing the Drive Side Rail, remove the Drive Belt (See Page 13).
5) For Belt Drive Models, slide the Drive Side Pulley or the Passive Side Pulley
off of the Drive Post (Depending upon which Rail is being replaced).
6) For Direct Drive Models, remove the Motor and Drive Shaft, (See Page 16,
Steps 1-8)
7) Remove the 4-40 x 7/8” SHC Screws that hold the Rail to the Spacer Plates.
8) Remove the Rail.
9) Transfer the Roller Assemblies (Rollers, Pulleys and Shafts) to the new Rail.
10) Tighten the Roller Assemblies with a Torque wrench set at approximately 32
in/lbs.
11) Place a small amount of Loctite onto the threads of the Drive Post.
12) Tighten the Drive Post to the Rail.
13) Attach the new Rail to the Spacer Plates.
14) Replace the Timing Belt(s) as follows:
a) For the Passive Side Timing Belt, See Page 17.
b) For the Drive Side Timing Belt on Chain or Belt Drive models,
See Page 18.
c) For the Drive Side Timing Belt on Direct Drive models,
See Pages 19, Steps 10-19. Skip the remaining steps.
14) Reattach the Collar Clamp (See Page 11) for Belt Drive Models.
15) Reattach the Product Guide .
16) Hand Power the Conveyor (See Page 8).
17) Reattach the Cover.
18) Hand Power the Conveyor.
19) Turn on the Conveyor.