TM 5-3805-262-203-25. HYDRAULIC SYSTEM TROUBLESHOOTINGMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION1. HYDRAULIC PUMP NOISY.Step 1.Check if mounting capscrews arel o o s e.a. If mounting capscrews areloose, tighten to 135 to 165l b - f t t o r q u e .b. If mounting capscrews aretight, go to step 2 below.Step 2.Check if nuts securing hydraulicpump sections are tight .a . I f n u t s a r e l o o s e , t i g h t e n to200 lb-ft torque.b. If nuts are tight, go to step 3below.Step 3.Check hoses, lines, and fittings connected to hydraulic pump forhydraulic oil leakage.a . I f h y d r a u l i c o i l l e a k a g e i s s e e n , t i g h t e n f i t t i n g s . Iftightening does no good, replace defective hose, lines orf i t t i n g ( p a g e 1 1 - 1 8 ) .b. If hydraulic oil leakage is not seen, go to step 4 below.3-177
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