TM 55-4920-215-15
circuits. The wiring diagram for shop set C-6, is
b. Servicing. Keep electrical power cords clean
contained in figure 8.
and free of grease and oil. Do not allow rubber covered
46. Electrical Generator
power cords to come in contact with grease, oil, fuels,
Operator maintenance for the generator consists
cleaning solvents, or paint thinners. Store detachable
of service and adjustments. The detail maintenance
electric power cords in space provided when not in use.
procedures are outlined in the TM for the generator
Wipe foreign materials from electrical receptacles
before use or when exposed to wind, dust, rain, snow, or
47. Electrical System, Electrical Control Box
salt water.
Operator maintenance of the electrical control
c. Adjustments.
Check all male electrical
box of the lathe consists of service and adjustments.
connectors for security and condition before use. Adjust
The TM for the lathe outlines the detailed maintenance
or tighten terminals as necessary. Female electrical
procedures to be followed by the operator.
connectors and receptacles require few adjustments
48. Electrical Wiring Installation
beyond the tightening of screws. Check all female
a. General. Operator maintenance of the electrical
electrical connectors and receptacles for security or
wiring installation consists of service and adjustments.
condition before use.
Warning:
Disconnect the power source at the
safety disconnect switch prior to
adjusting
female
electrical
connectors or receptacle.
Section VI. PNEUMATIC SYSTEM
49. General
of foreign materials.
Wipe off all moisture after
The pneumatic system of Shop Set, Aircraft
cleaning.
Maintenance, Semitrailer Mounted, C-6, Machine Shop,
Caution:
consists of controls and instruments, lines, and
Use
only
approved
cleaning
connectors.
Controls, instruments, lines, and
compounds.
Follow the directions carefully when applying.
50. Controls and instruments
Service the controls of the pneumatic system by
a. General.
Controls and instruments for the
removing oil, grit, grime, dirt, mud, grease, and other
pneumatic system (fig. 5), consists of pressure gages,
foreign materials before and after operation. Materials
oil and water separator, regulators, and valves. The
to be used in cleaning controls are the same as those
operator is responsible for service' and adjustment of
used in cleaning instrument dials and cases.
the controls and instruments.
c. Adjustments.
Operator
adjustment
of
b. Servicing. Keep instrument dial covers and
instruments is accomplished by use of the control
cases clean; avoid the use of oily, gritty, or dirty wiping
provided. The operator should not attempt to make
material for cleaning dial cover and cases. Normally,
adjustments to any instrument except as can be made
plain water and a clean rag will suffice for cleaning dial
by use of the controls. Controls in the pneumatic
covers and cases. When heavy accumulation of mud,
system consist of valves which are used to regulate the
dirt, grime, grease, or other foreign materials are to be
air pressure from the source; to regulate the air pressure
removed from dial covers and cases, use a solution of
to the equipment being used, and to drain the system of
water and a mild soap or detergent. Extreme cases
condensates. Refer to chapter 2, section II for location,
may require the use of more active compounds for the
description, and purpose of controls. To regulate the
supply of air from the source, open or close regulator as
necessary.
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