Liftmaster Industrial DC Operators, model JHDC12S4BMC, are designed for robust performance in industrial environments. These operators provide reliable door control solutions, ensuring safety and efficiency in high-traffic areas. Regular maintenance and quality spare parts are essential for optimal operation and longevity.
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Find all the essential guides in one place.
Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more
Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
+ 29 more
Integrate maintenance plans directly into your work orders.
Motion Industries
Applied Industrial Technologies
Electrical Brothers
+ 5 more
Access the parts list for your equipment in MaintainX.
Drive Motor
B2 Rollers
Tensioning System
+ 40 more

Liftmaster Liftmaster Industrial DC Operators JHDC12S4BMC JHDC12S4BMC
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Integrate maintenance plans directly into your work orders in MaintainX.
5000 Hourly/3 Monthly Industrial DC Operators Maintenance
Check Sprockets set screw tightness
Check shafts for wear
Lubricate the shafts
Check alignment and functionality of the operator every 1 Month
Check and tighten fasteners as required every 10 000 Hours / 6 Month
Check and operate manual hoist every 10 000 Hours / 6 Month
Sign off on the maintenance check
5000 Hourly/3 Monthly Drive Chain System Maintenance
Check for excessive slack
Check and adjust as required
Lubricate the chain drive
Sign off on the drive chain system maintenance
Access the parts list for your equipment in MaintainX.
Commercial Access Control Receiver
STAR1000
Plug-In Power Supply
100MAPS
Programmable DIP Switch Three-Button Remote Control
893LMMC
1-Button Wall Controller
02-101
Slide Door Accessory Kit
SLIDEKIT
Commercial Access Control Receiver
STAR1000
Plug-In Power Supply
100MAPS
Programmable DIP Switch Three-Button Remote Control
893LMMC
1-Button Wall Controller
02-101
Slide Door Accessory Kit
SLIDEKIT
Commercial Access Control Receiver
STAR1000
Plug-In Power Supply
100MAPS
Programmable DIP Switch Three-Button Remote Control
893LMMC
1-Button Wall Controller
02-101
Slide Door Accessory Kit
SLIDEKIT
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