3-6. ENGINE OIL COOLER SUPPLY AND RETURN PIPES AND HOSES REPLACEMENT.

c. INSTALLATION - TM-9-2320-289-20_134

b. INSPECTION - TM-9-2320-289-20_136

/.25ton/TM-9-2320-289-20 CUCV Series Trucks at Unit level Manual
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TM 9-2320-289-20 3-6. ENGINE OIL COOLER SUPPLY AND RETURN PIPES AND HOSES REPLACEMENT. This task covers: a. Removal c. Installation b. Inspection INITIAL SETUP: Equipment Condition Materials/Parts Fan shroud removed. (See paragraph 3-31) One Iockwasher 1. 2. 3. 4. 5. 6. NOTE All connection points have seals (9). DO NOT lose these seals. If not damaged, they can and 15) and hoses If If 4 removing engine removing engine through 6. be reused for installation of replacement pipes (14 (2 and 11). oil cooler pipes (14 and 15), perform steps 1-3. oil cooler hoses (2 and 11), perform steps 2 and Disconnect engine oil cooler pipes (14 and 15) from NOTE Some trucks have an engine oil sampling right side of radiator (1). valve (13) which taps into engine oil cooler system at connection between hose (2) and pipe (14). Tag pipes (14 and 15) and hoses (2 and 11) for installation. Disconnect engine oil cooler pipes (14 and 15) from engine oil cooler hoses (2 and 11) at left side of radiator (1). If present, disconnect engine oil sampling valve (13) at square connector (16). Remove engine oil cooler pipes (14 and 15). Disconnect engine oil cooler hoses (2 and 11) at connectors (4). At engine block, remove bolt (8), insulation washer bracket (5). Discard Iockwasher. NOTE (6), Iockwasher (7), and clip (10) from On trucks with winterization kits, engine oil cooler hoses (2 and 11) run under engine coolant heater. To remove hoses, pull them out from under this heater. Remove nut (3), hose clamp (12), and engine oil cooler hoses (2 and 11). 3-8

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