Sampling Intervals.

TB 55-1500-334-25

b. The equipment required for testing by means

3-5. Sampling Intervals.

of the Cleveland Open Cup Method may be obtained

under NSN 6630-00-359-9787. The kit consists of the

a. Flash point testing is required after one hour of

following items:

flight time, or one hour of engine ground time for aircraft

1 refractory board

with engine driven hydraulic pumps, or one hour of

1 gas burner test flame

operation for ground support equipment, following initial

1 thermometer clamp

conversion of hydraulic system from MIL-H-5606 to vMIL-

1 platform cup

H-83282. This testing is required to determine the

1 refractory disk

adequacy of conversion procedures. Residual amounts of

1 automatic heater with built-in autotransformer

MIL-H-5606 may remain in the hydraulic system and

1 thermometer hook

lower the fire resistance of MIL-H-83282. If in an

1 cast iron plate

emergency it becomes necessary to add MILH-5606 to a

1 thermometer, 20to 760F

hydraulic system already converted to MIL-H-83282. The

c. In the event that an installation cannot obtain a

flash point should be redetermined. Redetermine flash

flash point tester or does not have qualified personnel,

point on converted hydraulic system that is suspected of

hydraulic fluid samples should be forwarded to the

containing MI L-H-5606.

facilities listed in para 3-8. As a final option these

installations can contact the facilities listed in para 3-8 for

Any conversion procedure that requires

the possibility of obtaining testing equipment and

circulation of hydraulic fluid from an aircraft that is being

personnel on a loan basis.

converted into a test stand that has been converted will

require flash point testing of the fluid in the test stand.

3-8. Location of Testing Facilities.

NOTE

When shipment of fluid samples are required, place

sample bottles in the shipping sack described in para 3-

If any of the above tests result in a flash

4c, and air mail them to the nearest testing facility listed

point of less than 380 , drain the

below:

affected hydraulic system and reservice

with MIL-H-83282.

Chief,

US Army General Materials and Petroleum Activity

3-6. Method of Testing.

Petroleum Field Office West

ATTN: SPSGP-PW

Determine the flash point of hydraulic fluid

Sharpe Army Depot

samples by the Cleveland Open Cup Method. Directions

Lathrop, CA 95330

for the Cleveland Open Cup Method are in the standards

of the American Society for Testing and Materials

Chief

(ASTM), Designation: ASTM D92. This method is also a

US Army General Material and Petroleum Activity

standard of the Institute of Petroleum (IP), Designation: IP

Petroleum Field Office East

36.

ATTN: STSGP-PE

New Cumberland Army Depot

3-7. Testing Equipment.

New Cumberland, PA 17070

a. Due to the large number of hydraulic fluid

Director

samples that will require flash point testing, it is

Petroleum and Field Services Department

recommended that aircraft installations acquire the flash

US Army Quartermaster School

point tester. By performing their own flash point testing,

ATTN: ATSM-TEX-PF

installations can avoid the time lag created when samples

Ft. Lee, VA 23801

must be sent to outlying laboratories. Qualified personnel

are needed to effectively perform the tests; that is,

Commander

personnel familiar with handling procedures for chemical/

US Army Aviation Center

petroleum products (e.g. Military Occupational Specialty

ATTN: ATZQ-DI-S

(MOS) 92C, Petroleum Lab Specialist).

Ft. Rucker, AL 36360

Commander

260th QM Battalion

ATTN: Petroleum Mobile Lab

Ft. Stewart, GA 31313

3-3