TM 10-3930-659-20 5-8. ENGINE OIL COOLER TUBES AND HOSES REPLACEMENT (Con't). 4. Position engine oil cooler tube (6) on two hoses (4) and tighten two clamps (3). 5. Install retaining strap (7) on engine oil filler neck (16) with screw (8). 6. Install clamp (11) and retaining strap (7) on two engine oil cooler tubes (5 and 6) with new lockwasher (10) and screw (9). FOLLOW-ON TASKS: • Fill engine cooling system with antifreeze (see paragraph 5-38). • Close left engine upper sideshield (see TM 10-3930-659-10). TA706858 5-19/(5-20 Blank)