Section I. GENERAL
clature callouts on illustrations indicate the
preferred maintenance sequence.
a. These instructions are published for the
d. The front of the heater is the basket
use of personnel to whom the American Air
end. The rear of the heater is the outlet end.
Filter Model BT400-40 and BT400-40-1
Left and right are defined as facing the outlet
Heaters (figs. 1 and 2) are issued. Chapters
end of the heater.
1 through 4 provide information on the opera-
e. The direct reporting of errors, omissions,
tion, preventive maintenance services, and or-
and recommendations for improving this man-
ganizational maintenance of the equipment,
ual is authorized and encouraged, DA Form
accessories, components, and attachment.
2028 (Recommended Changes to DA Publica-
Chapters 5, 6, and 7, provide information for
tions) will be used for reporting these im-
direct support, general support, and depot
provements. This form will be completed using
maintenance. Also included are descriptions of
pencil, pen, or typewriter and forwarded direct
main units and their functions in relationship
to the Commanding General, U. S. Army
to other components.
AMSME-MPD, 4300 Goodfellow Blvd., St.
Louis, Mo. 63120
applicable to this manual. Appendix H con-
f. Report all equipment improvement rec-
tains the Maintenance Allocation Chart. Ap-
ommendations as prescribed by TM 38-750.
pendix III contains the list of Basic Issue
Items authorized the operator of this equip-
ment. The Organizational, Direct and General
2. Record and Report Forms
Support, and Depot Maintenance Repair Parts
For record and report forms applicable to
and Special Tools are listed in TM 5-4520-
the operator, crew, and organizational main-
tenance, refer to TM 38-760.
c. Numbers in parentheses on illustrations
Note. Applicable forms shall be kept in a canvas
indicate quantity. Numbers preceding nomen-
case mounted on the eqnipment.