Answer The D4990 is not an operator that is meant to be field serviceable. The parts that are available for replacement are as follows.
Arms: D4990 Arm: A45-501L Long Arm *Please note the D4990 cannot be field converted to a D4990T by swapping arms and vice versa. The motor assemblies are different.
The Controller Board: 177609
Closer Body: DB4550-689 |
Applies To D4990, D4990T |
Additional Information There is not a longer arm available for larger reveals than 6 3/4". This is the largest reveal the push side operator can accommodate. The track arm cannot be used on a reveal of any size. |
Parts List for D4990
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