There are retrofit kits available from Vertex. Highly suggest that you do this. Only if you can pull the armature pin out of the plate. That pin can hang-up with brake open.
Part No. Print No. Description
9815831 200GN5
Solenoid, Brake, Retrofit Kit, GD-1 Dual
Solenoid, W/ Armatures, Sleeves &
Nameplate, for 130 VDC 799AB1 Solenoid
9815820 200GN4
Solenoid, Brake, Retrofit Kit, GD-0, Dual
Solenoid, W/ Armatures, Sleeves,
Cushions & Nameplate, for 779AC1
Solenoid
Solenoid
Part No. Print No. Description
9815806 200GN2
Solenoid, Brake, Retrofit Kit, Geared Single
Solenoid, W/ Armature, Sleeve, Plates,
Dustcover & Nameplate, for 140 VDC
126689 Solenoid
9815790 200GN1
Solenoid, Brake, Retrofit Kit, Geared Single
Solenoid, W/ Armature, Sleeve, Plates,
Dustcover & Nameplate, for 220 VDC
126688 Solenoid
9815818 200GN3
Solenoid, Brake, Retrofit Kit, GD-1, Single
Solenoid, W/ Armature, Sleeve, Plates,
Dustcover & Nameplate, for 140 VDC
799AE1 Solenoid