TM-9-2815-210-34-2-2 LDS-465-1/LDS-465-2 Multifuel Engine Maintenance Manual Part 2
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TM 9-2815-210-34-2-2 c. Leakage Test. FRAME 1 1. Plug one hole (1). 2. Put compressed air hose carrying 150 psi of air pressure in hole (2). Be sure hose seals tightly around hole so no air can get out of oil cooler (3). NOTE If oil cooler (3) leaks, air bubbles will be seen in water. 3. Put oil cooler (3) under water and check that it does not leak. If oil cooler leaks, get a new one. END OF TASK 4-393