TM 55-4920-217-15
instructions in chapter 6, sections III and IV, and
104. Lighting System
Inspect and replace in operative lighting tubes or
bulbs in accordance with instructions in paragraphs 87
Warning: Disconnect power source before
through 98 and appendix II.
servicing.
Note: For details of shop lighting system
103. Electrical Switches and Circuit Breakers
refer to TM 9-2330-23814.
a. General. Electrical switches and circuit breakers
are installed in the electrical system (fig. 4), to allow
105. Controls and Instruments
individual control of circuits, distribute current, and as
Controls and instruments (fig. 4), will be maintained
safety devices.
by second echelon maintenance personnel to the extent
b. Second Echelon Maintenance.
Inspect and
authorized in appendix II, and in accordance with
replace switches or circuit breakers as necessary in
instructions in paragraphs 87 through 98. Refer to
accordance with instructions contained in paragraphs 87
through 98 and appendix II.
illustration of controls and instruments.
Section VII. PNEUMATIC SYSTEM
106. General
109. Lines and Hose
A detailed description of the pneumatic system is
Second echelon maintenance of air lines and air
contained in paragraphs 47 through 51.
hose (figs. 11, 12, and 14), will consist of inspection and
replacement of parts in accordance with paragraphs 87
107. Air Compressor
listed in chapters 8 and 9.
Second echelon maintenance for the air compressor
consists of inspection and replacement of parts in
110. Controls and Instruments
accordance with the technical manual compressor and
Controls and instruments (fig. 5), will be maintained
by second echelon maintenance personnel to the extent
authorized in appendix II, and in accordance with
108. Air Supply Tank
instructions in paragraphs 87 through 98. Refer to
Inspect and replace parts of air supply tank in
accordance with technical manual for compressor and
illustration of controls and instruments.
Section VIII. UTILITY SYSTEM
112. Replacement
111. Storage Cabinets and Bench Tops
Inspect and replace parts in accordance with
Second echelon maintenance of storage cabinets
instructions in paragraphs 87 through 98. Refer to
and bench tops consist of inspection and replacement of
parts as authorized by appendix II.
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