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OWNER’S MANUAL

MODEL NO.

MDJ, MDJH, MDJB, MDJBH

MEDIUM DUTY JACK SHAFT OPERATOR

READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS

SAVE THESE INSTRUCTIONS

This unit is intended for limited 

duty applications not to exceed 

12 cycles of opening and 

closing per hour.

NOT FOR RESIDENTIAL USE

0MAGA0AA - CDJ MANUAL - 03

Summary of Contents for MDJ

Page 1: ...M DUTY JACK SHAFT OPERATOR READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS SAVE THESE INSTRUCTIONS This unit is intended for limited duty applications not to exceed 12 cycles of opening and closing per hour NOT FOR RESIDENTIAL USE 0MAGA0AA CDJ MANUAL 03 ...

Page 2: ...B2 Standard when powered C2 When photoeyes are blocked or not present LIMIT ADJUST Linear driven fully adjustable screw type cams Adjustable to 24 feet MDJ MDJH MDJB MDJBH MECHANICAL SAFETY PREPARATION MDJ MDJH MDJB MDJBH All MDJ MDJH MDJB and MDJBH operators have dual output shafts and may be mounted on either the right standard or the left side of the door Install the sprocket on the side desire...

Page 3: ...with BOTH set screws 2 Install Hand Chain Models MDJH and MDJBH only Thread hand chain around hand chain wheel ensuring that it passes through both openings in the hand chain guide Remove enough links that so that the loop hangs approximately two feet above the floor 3 Mount Manual Disconnect Chain Keeper Using suitable hardware mount the manual disconnect directly beneath the operator approximate...

Page 4: ...s Near and Opposite Side SENSING EDGES All types of sensing edges with an isolated normally open N O output are compatible with your operator This includes pneumatic and electric edges If your door does not have a bottom sensing edge and you wish to purchase one contact the supplier of your operator If not pre installed by the door manufacturer mount the sensing edge on the door according to the i...

Page 5: ...ROL WIRING MDJ MDJH MDJB MDJBH IMPORTANT NOTE Mount warning notice beside or below the push button station WARNING WARNING 8 MDJ MDJH MDJB MDJBH 9 PHOTO EYE INSTALLATION 1 Make sure that power is disconnected to the system prior to installing the photo eyes 2 Photo eyes need to be mounted inside the building They should be mounted on either side of the door and as close as possible to the door tra...

Page 6: ...ivating an OPEN button without the need to use the STOP button first for all 3 Modes To reduce the risk of serious injury or death follow these instructions carefully Read and follow ALL instructions Keep fingers and other body parts away from all moving parts of the door and gate operator system while it is being operated Keep the radio controls away from children Do not allow children to play wi...

Page 7: ...ic or manual is used Reversing devices are recommended for ALL installations CLUTCH ADJUSTMENT 1 Loosen the adjustment jam nuts until there is little tension on the clutch spring 2 Tighten the inner jam nut gradually until there is just enough tension to permit the operator to move the door smoothly but to allow the clutch to slip if the door is obstructed When the clutch is properly adjusted it s...

Page 8: ...RITY SENSITIVE NORMALLY OPEN SAFETY DEVICE OPTIONAL MOMENTARY SWITCH INTERLOCK WHEN NEEDED Rev 09 11 15 LX 900 Wiring Connections COAXIAL ANTENNA CONNECTION Stop and Com must be jumpered when a 3 Button Wall Station is not Present MDJ MDJH MDJB MDJBH 15 THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF NAPOLEON LYNX ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISS...

Page 9: ...SHOP DRAWING MDJ MDJH MDJB MDJBH 16 14 1 15 4 18 0 0 750 10 0 1 50 TYP 0 50 0 406 18 0 5 5 6 5 5 0 TYP ...

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