Drive Roller Replacement
About
This procedure provides instruction to remove and replace the Drive Roller.
Procedure
Review entire procedure before starting.
Removal Instructions
- Switch the power OFF and unplugDisconnect a device power cord plug or cable connector from the power receptacle or outlet. the power cord.
- Remove the hood cover, see Covers and Panels Replacement, and left/right Landing Trim covers, see Covers and Panels Replacement.
- Relax the running belt tension by loosening the left and right 5/16" hex key tension adjustment bolts. Alternately loosen the left and right adjustment bolts in 1/4 turn increments so that the running belt tension is evenly removed. Only use hand tools and not power tools which could cause damage to the take-up roller tension mechanism.
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CAUTION: Only use hand tools to adjust tension. Power tools can easily over and/or under tension causing damage to the belt and/or tension hardware mechanism. |
- Remove the two #3 Phillips screws and two 7/16" hex head fasteners and remove the Dust Guard . Retain fastener hardware for installation.
- Remove the Drive Belt. Walk the belt off the Drive Roller pulley and remove.
- Remove the one #3 Phillips screw fastener per keeper and remove the left and right Roller keepers.Retain fastener hardware for installation.
- Loosen the Take-up Roller tension adjustment bolts enough to allow the freedom of movement required to lift the Drive Roller from the mounting brackets. Slide the Drive Roller through the running belt and remove.
Installation Instructions
- Place the Drive Roller thru the Running Belt and then set the Roller back into position in the mounting brackets.
- Reinstall the left and right Roller Keepers and secure using the #3 screw fasteners (one fastener per Keeper).
- Center and square the running belt onto the Take-up and Drive rollers and tension to specification, see Running Belt Tension and Tracking Adjustment. Do not verify tracking or apply power at this step in the process, the running belt tracking will be verified after the Drive Belt is installed.
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Note: | 1) The running belt tension adjustment is performed with the drive pulley: removed. 2) Tension the running belt to specification prior to adjusting the Drive Belt tension. |
- Install the drive belt. Place the Drive Belt onto the Roller pulley and then walk the belt onto the Drive Motor pulley.
- Reinstall the Dust Guard and secure using the two #3 Phillips and two 7/16" hex head fasteners. Make sure to insert the left Dust Guard bracket through the Drive Belt pulley before securing the fasteners.
- Make sure the Drive Belt pulley alignment is correct and then tension the Drive Belt to specification. see Drive Belt Tension and Alignment Adjustment.
- Connect the power cord and switch the ON/OFF circuit breaker to ON.
- Operate the treadmill and verify the running belt tracking, see Running Belt Tension and Tracking Adjustment.
- Reinstall the hood cover, see Covers and Panels Replacement, and left/right Landing Trim covers, see Covers and Panels Replacement.
- Do the Operation Verification tests (see Operation Verification) and return to service.