equipment in open track storage will be preserved by
quer-resisting synthetic primer conforming to FED-TT-P-
operating or actuating the brakes four or five times each
month during the monthly exercising of the journals (para
22. Exposed Drive Chains. Exposed drive chains will
(2) Removed from equipment. Air brakes
removed from equipment will be preserved as follows
be allowed for excess preservative to drain from the
(a) Air brake cylinders and reservoirs. The
chain. After draining, the chain will be coated with type
pistons will be removed. The pistons and interior
surfaces of the cylinders will be coated with type P-7
preservative. Pistons will be in stalled and all openings
Clutches and Related Components.
to the interior of the cylinder and reservoir will be sealed
clutches and related components will be preserved as
with tape conforming to FED-PPP-T-60, type IV.
(b) Valves, cocks, dirt collectors, and pipe
a. Dry Disc-Type. Cover plates will be removed and
openings. Seal all openings that will permit direct entry
the clutch disengaged.
All accessible interior
of water or foreign matter with metal or plastic inserts,
components of the clutch will be coated with a thin film of
caps, or plugs.
b. Hydraulic Brakes. The hydraulic brake system will
conforming to FED-TT-P-664. Spring loaded disc type
be filled to operating level with hydraulic fluid required by
clutches will be blocked or secured in a partially
the applicable lubrication order or technical manual. The
disengaged position to eliminate contact between the
brake drum and brake drum control mechanisms will be
disc facing and pressure plates. Do not block spring
coated with a thin film of primer conforming to FED-TT-
loaded clutches entirely open, because prolonged.
P-664. Care will be exercised to prevent primer from
complete depression of clutch springs will cause loss of
coming in contact with the brake lining and rubber
tension. Clutch equipped with snap over-center or
toggle-in devices will be completely disengaged.
The interior surfaces of the
b. Band and Shoe-Type. Clutch drum facings,
handbrake housing will be cleaned with dry, compressed
clutch control mechanism inclosed within housings, and
air. Interior rotating or movable parts within the housing
exposed clutch control mechanisms will be coated with a
thin film of rust-inhibiting lacquer-resisting synthetic
primer conforming to FED-TT-P-664.
25. Air Compressors. The operating lubricant will be
c. Cone Type. Coat the unlined surface of cone type
clutches, clutch control mechanism inclosed within
crankcase refilled with P-10, preservative lubricating oil,
housings, and exposed clutch control mechanisms with
type I or II, grade 30.
The air cleaner will be
disconnected from the compressor. The air cleaner will
conforming to FED-TT-P-664.
be removed and, while the compressor is being
d. Jaw-Type. Coat clutch jaws, shifter yokes, and
operated, 4 or 5 ounces of P-10 preservative lubricating
machined surfaces of shafts with type P-2 preservative.
oil, type I or II, grade 30, will be sprayed into the air
Coat unpainted exposed surfaces of clutch control
intake. The compressor will be operated a sufficient
mechanism enclosed within housing with rust-inhibiting
length of time to assure coverage of all internal surfaces
lacquer-resisting synthetic primer conforming to FED-TT-
The air cleaner and line will be reinstalled
e. Clutch Air Cylinder. The drain plug will be
removed and type P-9 preservative will be atomized
a. Gasoline, Diesel and Oil Tanks. Gasoline, diesel
sprayed into the cylinder through the drain plug opening.
and oil tanks will be drained, cleaned and preserved
The plug will be reinstalled. The exposed surfaces of the
using the fill and drain method or the drain and spray
method of preservation.
f. Hydraulic Clutch Control. Where the clutch os
(1) Fill and drain method. Tanks not equipped
operated by a hydraulic system, the hydraulic housing
with access other than filler openings
will be filled to operating level with approved fluid. The
exposed surface of the piston rod will be coated with type
a. Air Brakes.
(1) Assembled on equipment.
Air brakes on