4.42 FUEL LINE ASSEMBLY MAINTENANCE.

Figure 4-42. Fuel Prefilter, Two Step Fuel Filter Maintenance

TM-9-6115-668-13 5Kw 28VDC Auxiliary Power Unit (APU) MEP 952B Manual
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TM 9-6115-668-13 4.42 FUEL LINE ASSEMBLY MAINTENANCE. This task covers: a. Removal b. Installation INITIAL SETUP Tools Equipment Conditions General Mechanic’s Tool Kit (item 2, appendix B) Automotive Fuel and Electrical System Repair, Tool Kit (item 3, appendix B) Materials/Parts Reference Generator Set 150 kW shut down, paragraph 2.5.2 Sealing rings Plastic bag (item 21, appendix E) Rubber bands (item 22, appendix E) Cable ties (item 10, Appendix E) REMOVAL CAUTION Use a container or rag to clean up fuel leaks After disconnecting, plug fuel line and tie up. Place drip pan under fuel lines to catch fuel. 1. Remove unit hood assembly (1, figure 4-43) as instructed in paragraph 4.14. 2. Remove nuts (36), serrated lock washers (37), washers (38) and plate (34) NOTE If fuel lines are not replaced at once, bag and secure ends. 3. Remove cable ties from fuel lines. NOTE Step 4 is used in removal of fuel lines (5), (7), (8), (25) and (32). 4. Hold nipple (30) and remove hollow screw (27),fuel line (25), sealing rings (28, 29) and discard sealing rings (28, 29). 5. Fuel line (25) a. Perform step 4 and remove fuel line (25). b. Remove tapered screw (26) from engine block (41) with fuel line (25). c. Remove fuel line (25). 6. Fuel line (32) 4 - 9 9

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