ARMY *TM 9-6115-464-34 AIR FORCE TO-35C2-3 ... - Igor Chudov

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ARMY TM 9-6115-464-34AIR FORCE TO 35C2-3-446-2NAVY NAVFAC P-8-624-34(10)(11)(12)Examine the junction points of the metering valve pin hole in the linkage hook, throttle lever, shutoffcam, and shutoff lever for looseness and burrs.Check the metering valve body for wear. Ascertain that the metering valve arm is well seated andthere is no radial movement of the arm on the valve. Check the metering valve arm pin for wear orlooseness.Carefully inspect the bore and edges of all flat surfaces of the cam. If evidence of spatting or flakingout exists, replace the cam.NOTE(13)(14)Since only the working portions of the cam lobes on the bore are ground, the toolmarks between lobes should not be considered as damage. The cam finish is mottledfrom heat treatment rather than operation.Visually inspect the drive shaft for undue wear or cracking. Check the diameter where the thrustsleeve slides for scores. Check for smoothness of seal grooves. They must be absolutely smooth.Check the regulating piston for freedom of movement in the end plate sleeve. Check all threads fordamage. The filter element should bear no evidence of damage. Clean all dirt or rust from theelement.CAUTION(15)e. Assemblv.Check for tightness of the orifice plate. Replace adjusting plug if plate is loose. Failureto observe this caution could result in equipment damage.Check that the damper piston (87) moves freely in the damper barrel (88). Inspect for chipping ofpiston or scratches to the piston and damper barrel bore. The bleed orifice should allow free flowwhen the piston is inserted. Replace components as necessary.NOTEAll parts should be flushed in clean oil as they are assembled. Replace all seals andgaskets.Install piston seal dry. Do not use grease.in equipment damage.CAUTIONFailure to observe this caution could result(1) Insert regulating piston seal (62) into the lower end of the regulating sleeve assembly (55) farenough to expose retaining ring groove. Install retaining ring (59).(2) Install regulating piston (61) and spring (60) into the sleeve making sure that the piston slides to thebottom of the sleeve bore without binding.(3) Install end plate adjusting plug (54) into the sleeve until all threads are just below port “A”.CAUTIONDo not exceed this position as excessive transfer pump pressure could occur. Failureto observe this caution could result in equipment damage.(4) Insert regulating sleeve assembly into the bore in end plate (66).(5) Fit the transfer pump thrust plate (67) on the end plate (66).3-56
ARMY TM 9-6115-464-34AIR FORCE TO 35C2-3-445-2NAVY NAVFAC P-8-624-34NOTEThe thrust plate may be reversed if one side appears worn or scratched. A smallamount of grease may be used to hold the thrust plate in place,CAUTIONDo not use force when inserting rotor. Binding may be caused by the presence offoreign particles. If rotor binds, withdraw it, rinse the rotor and hydraulic head in cleanfuel and attempt to assemble again. Failure to observe this caution could result inequipment damage.(6) Immerse rotor (135) and hydraulic head (134) in clean oil and assemble with a slight rotary motion.(7) Install delivery valve (133) making sure that it moves freely in its bore. Install spring (132) and stop(131). Install screw (130) and torque to 85-90 inch-pounds.NOTEThe screw (130) has one end which is relieved to clear the delivery stop. Be sure thatthis end faces the stop.(8) Place the hydraulic head and rotor in the holding fixture. Insert plungers (127) into the rotor bores.Install shoes (126), rollers (125) and leaf springs (124).(9) Adjust roller-to-roller dimension as follows: (See figure 3-22.)(a) Apply clean, dry air at 30 to 100 pounds per square inch by means of a suitable fitting to any one ofthe head outlets.(b) Rotate the rotor until the rollers are pushed to their extreme outward position.(c) Using a 1 inch to 2 inch micrometer, measure the roller-to-roller dimension. If roller-to-rollerdimension is not 1.964 ± 0.0005 inch, adjust screw (123, figure 3–21 ).NOTETurning screw clockwise increases the roller–to–roller dimension. Turning screwcounterclockwise reduces roller-to-roller dimension.(10) Place the cam ring (121, figure 3-21) atop the hydraulic head, making sure that the rotation arrowpoints clockwise.(11) Place the governor weight retainer (119) over the drive of the distributor rotor. Make sure that theassembly marks on the weight retainer and the rotor align with each other. Install retaining ring (118).CAUTIONUse care when inverting the hydraulic head, as the rotor is not retained and couldeasily fall out. Failure to observe this caution could result in equipment damage.(12) Invert the hydraulic head in the holding fixture so that the governor weight retainer engages the bar.(13) Lift the hydraulic head slightly so that its inside face aligns with the rotor end and install retainers(117). Install retaining ring (116).(14) Insert the transfer pump liner (72) into the hydraulic head so that the large slot is in line with the headlocating screw hole and the letter “C”, which signifies pump rotation, is up. This will correctly positionthe liner locating slot to accept the end plate locating pin.3-57
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(c)(d)(e)Pull all slack from the le
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REPAIR INSTRUCTIONSARMY TM 9-6115-4
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ARMY *TM 9-6115-464-34 AIR FORCE TO-35C2-3 ... - Igor Chudov

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