TM 55-4920-213-15
Section VI. PNEUMATIC SYSTEM
49. Air Compressor
48. General
The pneumatic system of Shop Set, Aircraft
Operator maintenance of the compressor con-
Maintenance, Semitrailer Mounted, C-4, Sheet
sists of service and adjustments. The TM for
Metal, consists of an air compressor, electric
the compressor (app.), outlines detail main-
driven motor, and an air supply tank, controls
tenance procedures for the operator.
and instsruments, lines, and connectors. Com-
50. Air Supply Tank
pressor, tank, controls, and instruments, lines,
The air supply tank is mounted underneath
and connectors are shown in figures 5 and 8.
the shop floor at the forward left side of the
Mounting details are shown in figures 1
shop (figures 18 and 19). Operator mainte-
through 20.
nance consists of service and adjustrnents as
outlined in the TM for the compressor (app.).
51. Controls and Instruments
a. General. Controls and instruments for the
penumatic system (fig. 5), consists of pressure
gages, oil and water separator, regulators, and
valves. The operator is responsible for service
and adjustment of the control and instru-
ments.
b. Servicing. Keep instrument dial covers
and cases clean; avoid the use of oily, gritty, or
dirty wiping material for cleaning dial covers
and cases. Normally, plain water and a clean
rag will suffice for cleaning dial covers and
cases. When heavy accumulations of mud, dirt,
