TM 11-5820-890-30-4
12-27.
b.
12-28.
1.
Tools:
REPAIR PROCEDURES. Continued
(e) Remove the module.
(f) Unhook the module extractor from the module.
5. Handle all modules carefully.
6. Before Installing a module, check the connector for bent or broken pins. Do not install if damaged.
7. Perform the operational check.
Repair Precautions.
CAUTION
Static electricity can damage the RCU modules. Ground the RCU and all tools before removing a
module. Use a grounded wrist strap when handling a module.
CAUTION
Steps marked with must be performed exactly as written. They are critical in maintaining
the nuclear hardness of the RCU. Seals must not be damaged. All screws must be torqued to the
limits specified in the replacement procedures.
REPLACEMENT OF RCU COVERS.
Removal and Installatlon of Top Cover.
Flat tip screwdriver
Torque screwdriver
ITEM
ACTION
REMARKS
REMOVAL
a. RCU
Set on work surface with top side up.
b. 13 captive screws
Use flat tip screwdriver. Fully loosen.
c. Top cover
Lift free from RCU.
INSTALLATION
d. Top cover
Set in place on RCU.
e. 13 captive
Install. Using torque screwdriver, torque
screws
screws to 8 to 10 in-lb.
12-148
