TM 9-2815-225-34&P 3-58.  FUEL DAMPER AND HEAD REPAIR (Contd) LOCATION/ITEM ACTION REMARKS c.  Cleaning WARNING   Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa).  Use only with effective chip guarding and protective equipment such as goggles or shield, gloves, etc.  Failure to comply may result in injury to personnel.   Approved solvents may be flammable and will not be used near open flame.  Use only in well-ventilated area.  Failure to comply may result in injury to personnel. 4.   All parts Clean with SD-3 solvent and Refer to para. 3-6 for additional blow dry with compressed air. cleaning instructions. d.  Inspection 5.   All parts Inspect for corrosion, excessive Discard damaged or worn parts. wear, and cracks. 6.   Fuel pump damper Check for hidden cracks by Diaphragm (4) should have a clear diaphragm (4) dropping on a hard, flat surface. ring.  Discard if it has a flat sound. e.  Assembly 7.   Pipe plug (12) Install on filter head (2). 8.   New rectangular ring seal Install in plate (7). (5) and nylon washer (6) 9.   New rectangular ring seal Install on filter head (2). (3) 10.     Fuel pump damper a.  Coat with lubricating oil. Ensure diaphragm (4) is clean. diaphragm (4) b.  Install in plate (7). 11.     Plate (7) a.  Install on filter head (2). b.  Secure with two captive Tighten screws (1) to 11-13 lb-ft washer screws (1). (15-18 Nm). f.  Installation 12. New rectangular ring seals Install on filter head (2). Apply a light coat of lubricating (14) and (15) oil on rectangular ring seals (14) and (15) at installation. 13.     Filter head (2) a.  Install on fuel pump (16). b.  Secure with two screws (10), Screw (13) is longest and screw and screws (11) and (13), four (11) is shortest.  Tighten all new lockwashers (9), and washers screws to 11-13 lb-ft (15-18 Nm). (8). FOLLOW-ON TASK:  Install fuel pump (para. 3-78). 3-396