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Figure 5-3. Fuel Burning Heater Assembly, Exploded View (Sheet 2 of 2)
Testing and Adjustment

TM-9-6115-464-34 Generator Set Diesel Engine Driven Tactical Skid Mtd 15 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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ARMY TM 9-6115-464-34 AIR FORCE TO 35C2-3-445-2 NAVY  NAVFAC  P-8-624-34 d. Assembly.   Assemble the fuel burning heater assembly in reverse order of disassembly procedures while observing the following: (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) Exercise care in replacing quartz rod (13, figure 5-3) as it is easily broken if dropped. After installation, gently move rod up and down to make sure it moves freely in its stainless steel tube. Also make sure at least 1/32 inch extends out of tube when rod is resting on bottom. Assemble motor assembly (67), combustion air inlet (64), inlet plate (62) and combustion fan (61) before  installing  burner  assembly. Make sure lead wire from motor assembly is on side of blower opposite nameplate (74) before drawing it through casing grommet (39). Make sure all wire leads are connected to their respective terminals as tagged during disassembly. NOTE Coolant pump cannot be assembled completely and installed as a separate unit. It must be assembled as it is installed on short shaft end of motor. Test motor and pump (paragraph e.(3) before completing heater assembly. Install seal spring (58) and seal washer (57) over end of motor shaft. Place o-ring (55) in seal cage (56), then install seal cage over end of motor shaft with seal face facing forward. Install adapter (54) over motor shaft and align holes with tapped holes in motor. Install pump rotor (52) on motor shaft and temporarily tighten rotor setscrew (50). Place o-ring (53) in groove of adapter (54). Place cam ring in position aligning scribe mark. With motor shaft end play taken up in direction of pump, make certain there is at least 0.002–inch clearance between outer face of cam ring and rotor. Move rotor back and forth as necessary to produce this clearance, then tighten  setscrew. NOTE Make sure that adapter and cam ring are tightly compressed together when deter- mining 0.002 inch clearance, otherwise a false reading will be obtained. Install pump vane (51) in rotor slots making sure that grooves in vanes face toward the direction of rotation. Pump rotates counterclockwise when viewing end of port plate (47). Place o-ring (48) in groove of port plate (47), then position plate against cam ring (49). Align scribe marks and secure with four setscrews (46). Test heater assembly. Plug threaded ports with caps if pump is not to be assembled in heater immediately. 5-13







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