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

Figure 9-65. Checking Flywheel Housing Alignment

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 P-8-633-34 WARNING The weight of the rear gear housing Is approximately 32 pounds (14 kg). Use of a lifting device not rated for this weight may result In damage to components or Injury to personnel. (10) Attach a sling and overhead hoist to the rear gear housing (32), and take up the slack in the hoist and sling. (11) Remove the capscrews (30) and lockwashers (31). Tap the rear gear housing (32) free of the cylinder block and remove it with the overhead hoist. (12) Remove and discard the gasket (33). c. Inspect. (1) Visually inspect the flywheel and rear gear housings (9 and 32) for cracks or other physical damage. (2) Inspect the mating surfaces of the housings (9 and 32) for burrs that could cause misalignment. Remove buffs with a flat mill file. (3) Inspect the housings (9 and 32) for cracks using magnetic particle inspection in accordance with MIL-1- 6868. Replace cracked housings. (4) Inspect the rear gear housing (32) for porosity using dye penetrant, MIL-1-25135, for inspection in accordance with MIL-1-6866. Replace porous housing. (5) Inspect the barring device components (17 through 23) for wear and defects that would impair operation. Replace all defective parts. d. Install (1) Fabricate two guide studs (refer to Table 2-2) and install them in the upper capscrew holes on each bank of the cylinder block (2) Apply a thin coat of sealing compound, MIL-S-45180, to a new gasket (33), and position the gasket over the guide studs. WARNING The weight of the rear gear housing Is approximately 32 pounds (14 kg). Use of a lifting device not rated for this weight may result In damage to components or Injury to personnel. (3) Using a sling and overhead hoist, position the rear gear housing (32) over tie guide studs. (4) Install several capscrews (30) and lockwashers (31) hand tight. Remove the guide studs, and install the remaining capscrews (30) and lockwashers (31). (5) Cross-tighten the capscrews (30) in three steps to 60 to 70 pound-feet (81 to 95 newton-meters). (6) Install the rear crankshaft seal in accordance with paragraph 9-33. (7) Install a new packing (24) on the shaft (23), install the shaft through the barring device housing (17), and install the lock key (22), gear (21), and spring (20). (8) Install the retaining ring (19) on the shaft (23), then pull out on the shaft and install the cotter clamp (18) on the shaft. (9) Position the barring device housing (17) and assembled parts on the flywheel housing (9), and install the lockwashers (1 6) and capscrews (15). Tighten the capscrews to 90 to 110 pound-feet (122 to 149 newton- meters). (10) Install the flange cover (14), lockwashers (13), and capscrews (12). Tighten the capscrews in accordance with Table 1-3. (11) Refer to Table 2-2. Fabricate two guide studs and install them on opposite sides of the cylinder block WARNING The weight of the flywheel housing Is approximately 385 pounds (173 kg). Use of a lifting device not rated for this weight may result In damage to components or Injury to personnel. (12) Using a sling and overhead hoist, lift the fly wheel housing (9), into position over the guide studs and tap it into place over the dowels using a soft hammer. 9-114

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