TM 5-3805-262-208-2. STEERING SYSTEM MAINTENANCE (CONT)d. Hydraulic Oil Cooler.This task covers removal, cleaning, inspection, and in-s t a l l a t i o n o f h y d r a u l i c o i l c o o l e r.TOOLS: No. 1 Common Organizational Maintenance Tool KitSocket wrench set, 3/8 inch driveFixed open end wrench setVacuum pumpPipe plug, 1-15/16-12 thread sizeMATERIALS/PARTS: Clean cloths (Appendix C, item 1)Cleaning solvent P-D-680 (Appendix C, item 2)Detergent (Appendix C, item 3)Hydraulic oil (Appendix C, item 13)PERSONNEL REQUIRED: Two Construction Equipment Mechanics MOS 62BNOTEPRELIMINARY PROCEDURE: Engine left and right side panels removed (page9-14), engine top hood removed (page 9-11), and heater hose (30, page10-38) disconnected from engine (page 10-37).REMOVAL (SHEET 1 OF 3)NOTEDraining oil from hydraulic reservoir is not necessary if a vacuum pumpi s a v a i l a b l e.(1)(2)(3)If a vacuum pump is not available,drain hydraulic oil from hydraulicreservoir then go to step (4) below .If a vacuum pump is available, go tostep (2) below.If vacuum pump is available, slowlyloosen hydraulic reservoir fill capto relieve air pressure. Remove hy-d r a u l i c r e s e r v o i r f i l l c a p.Connect vacuum pump to hydraulic res- ervoir fill cap opening. Then turnvacuum pump on.8-34
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