c. Inspect. - TM-9-6115-604-34

Figure 6-36. Accessory Drive, Exploded View

TM-9-6115-604-34 Generator Set Diesel Engine Driven Tactical Skid Mtd 5 Kw. 1 Phase-2 Wire 1 Phase -3 Wire 3 Phase -4 Wire 120. 120/240 and 120/208 Volts Manual
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TM 9-6115-604-34 NAVFAC P8-633-34 c. Inspect. See Figure 6-36. (1) Inspect the fuel pump gear (6) for worn or broken teeth. Replace as necessary. (2) Inspect the shaft (9) forwear, chips, or burrs. Measure shaft outside diameter at gear end and at bearing contact areas. Shaft diameter at gear end should be 1.3765 to 1.377 inches (34.963 to 34.98 mm). Shaft diameter at bearing contact area should be 1.3115 to 1.312 inches (33.312 to 33.32 mm). The shaft wear limit at bearing contact area is 1.310 inches (33.27 mm). Replace the shaft if it does not meet these specifications. (3) Inspect the bushing (10) inside the accessory drive housing (12) for looseness, scoring, and other damage. Measure the bushing inside diameter. The bushing (10) inside diameter should be 1.316 to 1.319 inches (33.43 to 33.50 mm). The bushing (10) inside diameter wear limit is 1.320 inches (33.53 mm). Replace the bushing (10) if it does not meet these specifications. If bushing (10) has turned in the retaining bore and ruined the housing (12), replace the housing and the bushing. d. Repair. Repair of the accessory drive assembly consists of replacement of worn or damaged part as determined by inspection, step c, above. e. Reassemble. See Figure 6-36. (1) Install hourmeter spacer (5) over coupling end of shaft (9). Install the shaft (9) through the housing (12) and bushing (10). Slip on the thrust washer (7), face side up, over gear end of shaft (9). (2) Install the key (8) on the shaft (9) and press on the fuel pump gear (6). (3) Slip the coupling washer (4) over coupling end of shaft (9). Press on the half coupling (3), hub end down, on the shaft (9). Secure with plain washer (2) and capscrew (1). (4) Rotate gear and shaft assembly inside the housing (12) to check freedom of movement. (5) Check end clearance between housing (12) and drive gear (6). Clearance should be 0.002 to 0.012 inch (0.04 to 0.30 mm) with the unit assembled. f. Install. See Figure 6-36. (1) Install new gasket (17) over front mounting flange of housing (12) and install accessory drive on engine front gear housing using capscrews (13, 14, and 15) and lockwashers (16). Tighten capscrews (13, 14, and 15) to 45 to 55 pound-feet (60 to 75 newton-meters). (2) Refer to paragraph 9-33 and install the accessory drive pulley (7, Figure 9-59) on the shaft (9, Figure 6- 36). (3) Refer to paragraph 6-9, and install the fuel pump (7, Figure 6-4) on the accessory drive (6). 6-68

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