LiftMaster CHNGUARD Chain Guard Kit for MAXUM JDC and JHDC Operators
LiftMaster CHNGUARD Chain Guard Kit for MAXUM JDC and JHDC Operators
Help keep the operator drive chain correctly engaged with its sprocket by installing this genuine LiftMaster chain guard on a compatible MAXUM JDC or JHDC commercial operator. The guard is designed to reduce the possibility of the drive chain slipping or jumping off the sprocket during operation.
Specifications:
- Manufacturer part number: CHNGUARD
- Product type: Operator drive-chain guard kit
- Compatible operator families: LiftMaster MAXUM JDC and JHDC
- Application: Commercial door operators
- Brand: LiftMaster
- Quantity: One chain-guard kit
LiftMaster documentation identifies CHNGUARD specifically for compatible JDC and JHDC installations. It should not be assumed compatible with TDC, legacy Logic operators or other commercial operator families unless the applicable documentation expressly lists it.
The chain guard is a protective accessory; it does not correct a stretched chain, worn sprocket, bent shaft, loose hardware or improper operator alignment. Inspect the drive chain, sprockets, keys, shaft, mounting hardware and chain tension before installation. Replace worn components separately as required.
Disconnect and lock out operator power before servicing. Installation should be completed by a qualified commercial-door technician. After installation, rotate and test the drive system to confirm that the guard clears all moving components and does not interfere with the chain throughout the complete door cycle.
Details
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