TM 11-5820-890-30-4
6-20. REPAIR PROCEDURES. Continued
b. Repair Precautions.
6-21.
CAUTION
Static electricity can damage the control-monitor modules. Ground the control-monitor 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 control-monitor. Seals must not be damaged. All screws must be
torqued to the limits specified in the replacement procedures.
DISASSEMBLY FOR TROUBLESHOOTING.
The control-monitor front panel is not replaced by DS maintenance. However, to gain access to the parent
board for testing, it is necessary to partially remove the front panel.
Tools:
Flat tip screwdriver
Torque screwdriver
ITEM
ACTION
REMARKS
REMOVAL
a.
b.
c.
Control-monitor
Six captive screws
Front panel
INSTALLATION
d. Front panel
Set on back cover.
Use flat tip screwdriver. Fully loosen.
Lift free from chassis. Do not disconnect
The control-monitor is
front panel from parent board.
ready for troubleshooting.
Set front panel in place on chassis.
Tighten screws. Use torque screwdriver.
Torque screws to 14 to 16 in-lb.
e.
Six captive screws
6-46
