TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
Page 257 of 779
Remove 1. Remove ten cotter pins, slotted nuts (A), and flat washers. 2. Remove two cap screws (B) and flat washers. 3. Remove and discard preformed packing (C) from oil transfer tube counterbore in mounting base assembly (D) (or from oil transfer tube in fan drive housing). 4. Remove front fan drive housing mounting base assembly (D) from crankcase assembly. Install 1. Position frunt fan drive housing mounting base assembly (D) on crankcase assembly, 2. Install a new preformed packing (C) in oil transfer tube counterbore in mounting base assembly. 3. Install two cap screws (B) and flat washers, 4. Install ten cotter pins, slotted nuts (A), and flat washers. Figure 5-125. Removing or installing front fan drive housing mounting base assembly from crankcase assembly. Figure 5-126. Location of preformed packing at oil transfer boss in crankcase assembly. Remove 1. Remove and discard preformed packing (A) from oil transfer tube in fuel injection pump mounting base. 2. Remove four bolts (B) and lock washers and remove mounting base from crankcase assembly. Install Note. Due to design change the current engines use longer bolts and the addition of lock washers. Check all bolts and discard any- that are 1-7 / 32-inch long. Replace with current 1-3 / 8- inch bolts FSN 5305-725-0154 and lock washers FSN 5310-584-5272. 1. Position fuel injection pump mounting base on crank- case assembly and install four bolts (B) and lock washers and torque tighten to 750 pounds-inch. 2. Install a new preformed packing (A) in oil transfer tube on mounting base. Figure 5-127. Removing or installing fuel injection pump mounting base. Figure 5-128. Location of preformed packing at oil transfer tube for fuel injection pump mounting base. 5-71