information: "REMOVE STRIPS OF GREASEPROOF
between the wheel hub and back of the journal box lid to
BARRIER MATERIAL FROM COMMUTATORS PRIOR
seal all openings against entrance of moisture. The
TO ANY ROTATION OF MOTOR", will be attached in a
thickness of the coating will be approximately 0.040 inch.
conspicuous location on or near the motor.
40. Spare Truck Assemblies (With Traction Motors).
41. Hinges and fasteners. Hinges and fasteners will
a. Journals. Journals will be cleaned in accordance
be preserved by applying a thin coat of P-10,
with process C-5 of MIL-P-116. A coating of P-10,
preservative lubricating oil, type I or II, grade 30 will be
applied to all journal surfaces will be applied by spraying
or brushing. Journal brasses installed in a manner
42. Miscellaneous. Exterior ferrous surfaces of shafts,
causing only the minimum disturbance of the
chains, linkages, cables, (other than truck bolsters,
couplers and related items) and other machine parts not
otherwise provided for herein, will be preserved as
b. Journal Boxes. Journal boxes will be clean and
dry. A double thickness of greaseproof barrier material
Items with noncritical
conforming to MIL-B-121, type I, grade C will be placed
surfaces which will be exposed to the weather in storage
over the journal box opening and the lid closed. The
will be coated with type P-1 preservative.
barrier material will be trimmed flush with the outer
b. Sheltered-Items. Items within compartments or
surface of the journal box.
otherwise protected structurally will be coated with type
conforming to MIL-C-16555, class 1 will be sprayed over
the dust guard plug, between the wheel hub and back of
the journal box, and around the journal box lid to seal all
43. Ventilation. Provision will be made for adequate
openings against entrance of moisture. The thickness of
ventilation of enclosed areas. Doors and openings used
the coating will be approximately 0.040 inch.
to provide ventilation will be protected with suitable
covers or ventilation to prevent entry of water. In most
c. Traction Motors. Check gear housing for proper
cases, simple wood or sheet metal structures with
level and, if necessary, add lubricant specified by the
louvered screened openings will suffice. Where such
applicable lubrication order to bring the lubricant up to
operating level. The commutators will be covered with a
dampness within the equipment, rotating vane-type
strip of type I, grade A, class 1, greaseproof barrier
ventilators will be used.
material conforming to MIL-B-121 and secured in place
with tape conforming to FED PPP-T-60, type IV. The
44. Sealing. Unless otherwise provided for herein all
tape will be in contact only with the barrier material. A
double thickness of type I, grade C, greaseproof barrier
motors and like items will be sealed with tape conforming
material will be molded over the motor case in a manner
to FED PPP-T-60, type IV. All doors, hoods, shutters,
to close all openings, and will be secured in place with
and windows will be closed to prohibit direct entry of
tape conforming to FED PPP-T-60, type IV. Strippable
sprayed over the covered area and adjacent metal
The thickness of the coating will be
approximately 0.040 inch. A warning tag, waterproofed
in accordance with MIL-STD-129, bearing the
SECTION II. PRESERVATION WITH DYNAMIC DEHUMDIFICATION
combustion chambers is specified herein, the amount of
45. General. This section outlines requirements for
cylinder will be determined as follows:
preservation of railroad equipment with dynamic
(1) One-half ounce for each cylinder with piston
dehumidification and cocooning.
This method of
displacement up to 25 cubic inches.
dynamic dehumidification will be accomplished by
(2) One ounce for each cylinder with piston
constructing a cocoon and installing dehumidification
displacement between 25 and 50 cubic inches.
equipment as outlined in appendix I.
(3) One and one-half ounces for each cyl-