TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 4-41. BLOWER REPAIR (Cont) (17) (18) NOTE Top of front end pIate is identified by three bolt holes and one oil hole. Bottom of end plate has three bolt holes and three oil holes. Dowel pins extend from both sides of front end plate. The horizontal oil passage in top of front end plate intersecting the vertical oil passages is plugged. Do not install this end plate on rear of blower housing. Mating surfaces between blower end plates and blower housing must be flat and smooth. No gasket is used. Apply light coating of Form-A-Gasket sealant to mating surfaces of end plate and blower housing. Sealant must not protrude into housing. Position front end plate (23) on two wood blocks, finished side up. Install (19) (20) (21) (22) 4-242 blower housing (29), with match marks alined, on two dowel pins (39). NOTE Right hand helix rotor is marked “GEAR END” on one end. Gear end of left hand rotor has serrated shaft. Place rotors (6 and 7) in mesh with missing teeth in rotor shafts in position and facing to left as viewed from gear end. For replacement lip-type oil seal set only, install two oversized oil seal pilots over underrated end of each shaft of rotors (6 and 7). Insert rotors (6 and 7) straight into housing (29) and through bores of front blower end plate (25). If installed, remove oversized oil seal pilots. For replacement lip-type seal set only, install two oversized oil seal pilots over serrated end of each shaft of rotors (6 and 7).