TM 10-5410-224-14
formation of the center structure roof and floor
(15) Removal and replacement of foot and
chain bolts (fig. 3-24). To remove and replace foot
panels.
b. Inspection. Check that all seals are secure.
bolt (24) and chain bolt (25) on left cargo door,
proceed as follows:
Inspect surface for damage. Check roof drop pad.
(a) Remove four screws (22) and washers
Check roof handle and plate.
(23) to detach foot bolt (24) and spacers (26 and
c. Repair. Refer to shelter body repair in-
27).
structions given in paragraph 3-16.
(b) Remove four screws (22 ) and washers
3-23. Leveling Jacks.
(23) to detach chain bolt (25) and spacer (27).
(c) Replace foot bolt (24) and spacers (26
contained in the expandable shelter. The leveling
and 27) by securing to left cargo door with four
jacks are provided with a ratchet wrench, and are
screws (22) and washers (23).
used to support the deployed shelter and keep it
(d) Replace chain bolt (25) and spacer (27)
level. The following paragraphs contain inspection
by securing to left cargo door with four screws (22)
and repair procedures.
and washers {23).
b. Inspection. Check for mounting and general
security of jacks. Lubricate jack screw in ac-
a. General. The center structure roof and floor
cordance with paragraph 3-12. Check that ratchet
panels are fixed structures of the expandable
operates freely.
shelter, and are the center sections of the roof and
c. Repair. There are no complex repair
floor of the deployed shelter. The following
procedures required for the leveling jack assem-
paragraphs contain inspection and repair in-
blies.
Section VIII. MAINTENANCE OD ELECTRICAL SYSTEM
contains 14 circuit breakers on its front panel and
3-24. General.
4 switches on its side panel. These circuit breakers
The electrical system is a circuit-breaker con-
and switches provide overload protection and
trolled network of lights, switches, and outlets
control the application of electrical power
including power cables for two ventilation fans and
throughout the expandable shelter. The following
two ECU's. Site power consisting of 120/208-volts,
paragraphs contain the inspection and testing
3-phase, 60-Hz is received by a connector on the
information for the circuit breaker panel.
service entrance panel and is routed to a 100-
b. Inspection. Check circuit breakers and
ampere main circuit breaker (CB1) on the circuit
switches for security of attachment and proper
breaker panel. As shown in figure 3-25, the
mechanical operation. Check general condition of
primary power is then made available in the circuit
structure and door. Check condition of wires and
breaker panel for single-phase distribution to
connections.
several circuit breakers. However, the three-phase
power is made available for operation of the
Site power, which is present in the circuit
ECU's. All of the circuit breakers (in the on
breaker panel, is lethal. Before any work is
position) provide overload protection to the circuits
done inside the circuit breaker panel, make
involved. Switches are also provided for all interior
sure that the site power cable is discon-
lighting and for the ventilation fans, The light
nected by a qualified electrician.
switches are located on the side of the circuit
c. Testing. The testing of the circuit breaker
breaker panel whereas the fan switches are in
panel consists of setting all circuit breakers and
switch boxes positioned above the intended
switches to on position, and then check that
locations for the fans.
electrical power is distributed througout the ex-
pandable shelter as specified in table 2-1. If a
a. General. The circuit breaker panel is located
malfunction occurs proceed to the appropriate
on the inside of the expandable shelter on the
troubleshooting procedure in table 3-4.
personnel end panel. The circuit breaker panel
FO1. (LOCATED IN THE BACK OF THE MANUAL).
