d. Install - TM-9-6115-604-34

Figure 9-80. Tightening Sequence, Air Balance Connections

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 c. Repair. (1) Refinish warped gasket surfaces on the intake manifolds (46 and 47), or air balance connections (42) using a surface grinder. (2) Replace the intake manifolds (46 and 47) or air balance connections (42) if porosity or cracks extend through the capscrew holes. (3) Repair acceptable porosity or cracks by welding in accordance with MIL-STD-248. d. Install. NOTE To permit shifting the components for alignment, do not tighten the capscrews until instructed to do so. (1) Refer to Table 2-2. Fabricate six guide studs and install them in the upper cylinder block holes to hold the gaskets (48, Figure 9-78) in place. NOTE Three gaskets are used with each manifold. (2) Coat new gaskets (48) with sealing compound, MIL-S-45180, and install the gaskets over the guide studs. (3) Coat new rubber sleeves (49) with sealing compound, MIL-S-45180, and install them in the recesses in the intake manifold (46 or 47). (4) Position the intake manifold (46 or 47) over the guide studs, and install the lockwashers (2) and washers (3) on six of the capscrews (44). Install the capscrews through the damps (45) and intake manifold (46 or 47), and tighten them finger tight. (5) Remove the guide studs and install the other six washers (3), lockwashers (2), and capscrews (44) finger tight. (6) Install the guide studs in the cylinder block in accordance with step (1), above, and install the remaining manifold (46 or 47) in accordance with steps (2) through (5), above. (7) Coat new gaskets (43) with sealing compound MIL-S-45180, and position them on the manifolds (46 and 47). (8) Install the air balance connections (42) using washers (3), lockwashers (2), and capscrews (1 and 41). See Figure 9-80. Tighten the capscrews (1 and 41, Figure 9-78) in the sequence shown to 10 pound-feet (14 newton-meters). This is not the final torque on the capscrews. (9) Coat new gaskets (5) with sealing compound MIL-S-45180, position the gaskets under the crossover housings (4), and install the washers (3), lockwashers (2), and capscrews (1). Cross-tighten the capscrews to 10 pound-feet (14 newton-meters); this is not the final torque on the capscrews. (10) Using the sequence shown in Figure 9-81, tighten the manifold capscrews (44, Figure 9-78) in three stages to 30 to 35 pound-feet (41 to 47 newton-meters). (11) Using the sequence given in step (8), above, tighten the air balance connection capscrews (1 and 41) in two stages to 30 to 35 pound-feat (41 to 47 newton-meters). (12) Cross-tighten the crossover housing capscrews (1), in two stages to 30 to 35 pound-feat (41 to 47 newton- meters). 9-140

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