SERVICE MANUALROBERT BOSCH MODEL MW INJECTION PUMPSection 11Figure 22. - Injection Pump Drive Gear15. Tilt pump forward to drain lubricating oil from pumpand cap all openings.16. Remove final filter to injection pump housing hose athousing inlet connector. Remove fuel return hosefrom fuel return check valve and cap all openings.INSTALLATION1.Remove timing pointer access plug from left side ofreplacement injection pump mounting adapter. Iforiginal injection pump is being reinstalled, some ofthe following steps can be omitted.2.Inspect engine emission decal and obtain enginemodel and horsepower rating.3.Select correct performance data guidelines andverify that specified part number injection pump isinstalled.4.Install injection pump drive gear loosely to injectionpump using drive gear bolts and washers.5.Rotate pump clockwise (as viewed from drive gearend) until timing mark on pump drive hub is alignedwith timing pointer in adapter hole (Figure 23).Figure 23. - Timing Pointer and Timing Mark1.Timing pointer2.Timing mark6.Rotate loosened pump drive gear counterclockwise(as viewed from drive gear end) to 3/4 of full extentof drive gear bolt slots.7.Install final filter to injection pump hose and rubbercoated clamp. If the clamp is omitted, the hose mayrub on adjacent parts and leak.8.Install final filter to pump housing hose to inletconnector on pump housing.9.Clean front cover plate and install new gasket andinjection pump assembly.10. With injection- pump in position on engine, securepump adapter to front plate with bolts, nuts andwashers. Torque bolts and nuts to 24 ft-lbs. (33N•m).CGES-185-3PRINTED IN UNITED STATES OF AMERICAPage 18
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