PREPARATION FOR STORAGE. - TM-55-4920-335-140020

TM 55-4920-335-14

2-7. PREPARATION FOR STORAGE. If Test Stand is to

2-8. ARCTIC CONDITIONS. Where the Test Stand is to be

remain inoperative for a prolonged period of time, certain

stored under conditions which will subject it to prolonged

preparations should be made for proper storage depending

periods of sub-zero temperatures, adequate protection should

upon environmental conditions. When storing the unit under

be afforded against the deteriorating effects of wind, snow, and

temperature conditions, the following should be observed:

ice formation. Steps a through k of paragraph 2-7 should be

observed with special attention given to the providing of an

a. Check control panel and place all switches and valves

adequate exterior covering for the unit. When practical, the

in off or closed position.

use of portable electric heaters placed inside the unit is

recommended to raise the ambient temperature to zero

b. Drain hydraulic system by opening drain valve at

degrees Fahrenheit and then removed before placing Test

bottom of reservoir.

Stand in operation.

c. Close drain valve and refill hydraulic system with

2-9. TROPICAL CONDITIONS. Prolonged exposure in

preservative hydraulic oil, Military Specification MIL-O-6083A.

environments of excessively high temperature and humidity

requires special treatment of the Test Stand to ensure

d. Drain high pressure pump (8, figure 1-3) at drain plug

serviceability of the instrumentation. Steps a through k of

located at lower right hand corner of pump case. Replace

paragraph 2-7 should be observed with special emphasis

drain plug and refill pump with preservative hydraulic oil,

placed upon the adequate use of desiccants to ensure

Military Specification MIL-O-6083A.

prevention of corrosive action due to high moisture content in

the atmosphere.

e. Drain gasoline engine crankcase at oil pan drain plug.

Replace drain plug and refill oil pan with preservative oil,

2-10. PREPARATION FOR SHIPMENT. The Test Stand does

Military Specification MIL-L-21260.

not require an external container. For shipment, prepare the

unit as follows:

f. Drain electrolyte from battery. Battery must be fully

charged before draining.

Follow steps a through j, paragraph 2-7.

Drain fuel tank and fuel system.

Pad instrument glass es with cushioning material.

h. If compressed air is available, remove housing and

c. Apply water resistant barrier material, Specification

clean interior of road and operating dirt.

JAN-P-125 and pressure sensitive water resistant tape,

Specification JAN-P-127 to all doors and other openings in the

i. If Test Stand is to be stored in area of high humidity,

housing.

place several bags of activated desiccant, conforming to

Military Specification MIL-D-3464A inside unit.

d. For relatively short distances, the Test Stand may be

towed by a vehicle up to speeds not exceeding 20 mph.

j. Cap all inlet and outlet ports and fasten housing doors

securely.

e. The Test Stand is designed to withstand without loss

of serviceability the normal flight and taxiing acceleration "g"

k. If Test Stand is to be stored out of doors, select a

loads encountered in transporting by cargo aircraft. Tie down

reasonably level, dry area and cover with a tarpaulin or other

rings can be installed at each corner of the unit.

waterproof material. Be sure to set hand brake lever firmly.

Tow bar should be securely latched in upright position.

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