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MSA-RM-1 and MSA-RM-2 Relay Modules
Replacement Relay Modules for MINI-SCREEN® and MICRO-SCREEN® Metal Boxes
Model MSA-RM-1 shown
Installation
Module replacement requires only a 3/8" nut driver. The procedure given below is for replacement of the module.
Removing the old module
1. Before opening the control box cover, remove all power to the control box and to the machinery to which the control box is connected. Open the control box cover. Refer to the drawing below. 2. The relay module is held to the power supply board by four #10-24 nylon nuts and connector pins. The nuts are shaded in the drawing below. Remove the nuts from the module that is to be removed. NOTE: A spare set of nuts is provided. 3.