TM-9-2815-237-34 HMMWV Engine Direct Support & General Support Maintenance Manual Download
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TM 9-2815-237-34 2-32. FUEL INJECTION PUMP REPAIR (Cont’d) 59. Rotate housing (11) and holding fixture 180° NOTE The vent wire screw is available in different sizes (identification numbers are etched on each) to adjust return oil flow. If original screw is to be replaced, use the same size. The final determination will be made during calibration. 60. Install vent wire screw (18). Tighten to 25-30 lb-in. (3 N•m) with 1/8-in. hex head driver. 61. Install metering valve assembly (17) in housing (11). 62. Connect linkage hook (15) to governor arm (20). 63. Install spring (19) on governor arm (20) and linkage hook (15). CAUTION Governor arm must be installed correctly or injection pump will malfunction. 64. Install governor arm (20) in housing (11) so that feet on governor arm (20) fit in slots in thrust sleeve (21). 65. Install linkage hook (15) on valve arm pin (16). 2-117