prepared and protected for temperatures
Warm up motorized equipment thoroughly
below +32 ., in accordance with
before operating, check source voltage of
instructions in specific manuals on
electrical equipment to ascertain that
draining and cleaning the systems and the
sufficient power is available to prevent
application and checking of antifreeze
compounds to suit the anticipated
(3) Constantly note instrument readings. If
instrument readings consistently deviate
from normal, stop the equipment and
It is imperative that the approved
practices and precautions be followed.
b. At Stop.
Refer to specific manuals applicable to
(1) When halted for short shutdown periods,
This must be
the equipment should be sheltered from
considered an essential part of this
manual not merely an explanatory
(2) When preparing equipment for shutdown
supplement to it.
periods, place control levers in the neutral
position to prevent them from possible
(Storage, Handling, and Use).
freezing in an engaged position. Freezing
(1) The operation of equipment at arctic
may occur when water is present due to
temperatures will depend to a great extent
(3) Clean all equipment of ice, and
and antifreeze compounds used in the
condensate as soon as possible after
equipment. Immediate effects of careless
operation. If the canvas covers are not
storage and handling or improper use of
installed, be sure to protect all equipment
these materials are not always apparent,
against entrance of loose, drifting snow
but any deviation from proper procedures
during the halt.
may cause trouble at the least expected
(4) If heater is not in operation the storage
batteries should be removed and stored in
a warm place.
moisture is a source of many difficulties.
(5) Refuel equipment immediately in order to
Moisture can be the result of snow getting
Prior to refueling, open fuel tank drain
"breathing" of a partially filled container,
cock and drain off any accumulated
or moisture condensed from warm air in a
partially filled container when a product is
(6) Immediately after shutdown, start the
brought outdoors from room temperature.
heater and check to be sure it operates
effectively. The heater should eliminate
fuels and lubricants so their usefulness is
the necessity of removing the batteries to
warm storage, and is designed to operate
21. Extreme-Cold Weather Operations
(7) Open drain cocks to remove liquid from
water separators and cooling systems,
and inspect drain cocks for obstructions.
(1) The operator must always be on the alert
Remove any foreign material or
for indications of the effect of cold
obstructions from drain cocks. Leave
weather on the equipment.
drain cocks in full open position while
(2) The operator must exercise caution when
equipment is inoperative.
placing the equipment in operation after a
Thickened lubricants may
cause failure of parts.