TM 55-4920-215-15
Section V. OPERATION UNDER UNUSUAL CONDITIONS
conditions (below 0 .). Individual items of equipment
F
78. General
should be protected in accordance with the TM for the
This section contains information pertinent to
item (app. I). Refer to TM 9-2330-238-14, for specific
second echelon maintenance operation of Shop Set,
information concerning the van which houses the shop.
Aircraft Maintenance, Semitrailer Mounted, C-6,
Machine Shop, under unusual conditions. Refer to
81. Extreme Hot Weather Conditions
Frequent inspections of bearings, cooling
Report recurrent failure of equipment resulting from
systems, and lubricants should be accomplished in
operation under unusual conditions on DA Form 468.
extreme hot weather to insure proper operation of the
equipment.
Refer to paragraph 21 for additional
79. Removable Canvas Side Wall
instructions regarding operation of equipment in
The removable canvas sidewall has four
extreme hot weather conditions.
sections. The side walls are fastened at the top with
snap-type fasteners. The bottoms are attached with
82. Operation in Extreme Wet Climate
web belting, incorporating quick releases and belt-
Inspect bearings and other lubricated surfaces
tightening features. The bottom edges also have 1/2-
for possible washing away of lubricants.
inch grommets so rope may be used in lieu of the web
These inspections should be made prior to starting and
straps when needed. Attached to the bottom side door
at halt of equipment.
Additional precautionary
are cleats for use with either web strapping or rope (fig.
instructions for operation in extreme wet climate are
listed in paragraph 22.
Caution:
Canvas should not be stored when wet.
83. Operation in Salt Water Areas
Wash exterior of shop with fresh water to
80. Extreme Cold Weather Conditions
remove salt water residue. Accomplish salt water
Special equipment is provided for the protection
residue removal as often as is necessary to keep
of equipment in extreme cold weather
equipment clean and to combat corrosion.
Treat
unprotected surfaces of tools and equipment which are
in contact with salt water as directed in paragraph 83.
84. Operation in Extremely Dusty Conditions
Inspect machined surfaces, bearings, and
lubricated surfaces for dust accumulations.
Clean bearings and surfaces as directed in chapter 3,
sections II and III.
85. Operation at High Altitudes
Inspect intake ducts, filters, cooling systems,
and pneumatic equipment at frequent intervals to insure
proper operation at high altitudes.
Observe precautions listed in paragraph 85 and in the
TM for the item of equipment (app. I).
Figure 25. Canvas sidewalls installation.
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