LUBE OIL COOLER

TM-5-6115-593-12 Power Plant Utility (MUST) Gas Turbine Engine Driven (AMERTECH Corp Model APP-1) Manual
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TM 5-6115-593-12 TO 35C2-3-463-1 (5) Fill filter assembly with fuel (see table 3-1). (6) Install new top gasket and position filter case to filter head. Tighten by hand until gasket touches filter head, then turn an additional one-half to three-fourths of a turn. (7) Check the fuel filter for leakage and be certain that the filter case and gasket are properly installed. 4-76. LUBE OIL COOLER. (See figure 4-40.) a. Inspection. (See figure 4-49.) CAUTION Engines which have encountered major types of failures, where excessive amounts of metal particles have circulated through the system, cannot be properly cleaned; therefore, replacement of oil cooler is mandatory. Inspect the cooler housing (4), and all connections for cracks, leaks, dents, and breaks. b. Replacement. (1) Drain coolant into a clean container via coolant drain (see figure 4-2). Save coolant for reuse. (2) Drain lubricating oil by removing oil drain plug and opening engine oil drain valve. Collect oil in suitable container for reuse. (3) Unscrew oil filter assemblies (1). (4) Remove water inlet tube (2) from housing (4). Separate and discard gasket (3). (5) Remove water outlet connection (5). Separate and discard gasket (3). (6) Remove oil transfer tubes (6). Separate and discard gaskets (7). (7) Remove capscrews (8) and washers (9) to release cooler housing (4) from bracket (10). Separate and discard gaskets (11). (8) Install new gaskets (11). (9) Position cooler housing (4) onto bracket (10). Secure with capscrews (8) and washers (9). (10) Install new gaskets (7). Install oil transfer tubes (6). (11) Install new gaskets (3). Install water outlet connection (5) and water inlet tube (2) into housing (4). (12) Install oil filter assemblies (1). (13) Close engine oil drain valve. (14) Fill lubricating system with oil using oil filler tube (figure 4-40). (15) Run engine, check for leaks, recheck engine oil level; add oil (see table 3-1) as necessary to bring oil level to FULL mark on oil level gauge (dipstick). (16) Replace coolant, then check coolant level; if low add proper coolant (see table 3-1. 4-109

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