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) ● ● CAUTION Do not handle precision ground surface of rotor to avoid contamination. Handle all parts carefully with clean hands wet with calibrating fluid to avoid contamination. 6. Mount governor weight support in vise and rinse rotor (1) in calibrating fluid and install in support. NOTE . Delivery valves are available in standard and oversize. If replacing delivery valve, check for marking “OS” on side of rotor. If “OS” marking is present, oversize delivery valve must be used. ● Oversize delivery valves have a black marking at the base of delivery valve. 7. Install delivery valve (2) in rotor (1). 8. Install valve spring (3) and valve stop (4) in rotor (1). CAUTION Excessive tightening of stop plug will cause seizure of hydraulic head and rotor. 9. Using 5/32-in. hex head driver, install stop plug (5) in rotor (1) and tighten to 85-90 lb-in. (10 N•m). 2-108