
CHAPTER 7
–
SERVICE AND REPAIR
73
MultiLoad II/ RCU II Explosion Proof Lite (EXL) Installation Guide - Part # 6070
Keypad Removal and Replacement
Part Number: EXL-Keypad: 1638
Removal:
1. Using a Torx T10 security screwdriver bit (available from McMaster Carr); remove all security
screws holding on the Keypad bezel.
2. Remove the bezel.
3. Using a small flat screwdriver, carefully pry up the sealing gasket and keypad. They will both be
removed together. The gasket cannot be reused.
4. Disconnect the keypad cable from the back of the keypad by depressing the connector latch to
remove the cable.
Installation:
1. Connect the keypad cable to the back of the keypad.
2. Slide the keypad wires to the side of the connector install the keypad. The wires must be to the
side of the connector for the keypad to sit flush all the way around the edge. Place a weighted
object on top of the keypad to hold it down and in place for installing the new gasket.
3. Carefully remove the protective paper covering the adhesive gasket on the front keypad
surface. NOTE: The gasket is a moisture seal it must be used.
4. Install the keypad bezel.
5. Using a security screwdriver bit, install all the bezel holding security screws.
Figure 7.8
ML II/ RCU II EXL Unit Cover Keypad Assembly
KEYPAD
ASSEMBLY