TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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1. Separate coupler sleeves (A). 2. Remove and discard preformed packing (B) from coupler sleeves. Figure 5-93. Separating fuel injection pump splined coupler sleeves. Note. The fuel injection pump diaphragm couplers are not matched and do not require any special markings. 1. Turn engine using splined wrench -5120-793-7895 as shown in figure 5-91 until two fuel injection pump coupler bolts (A) are accessible. Remove bolts and lock washers. 2. Repeat procedure in step 1 and remove remaining two bolts and lock washers. Figure 5-95. Separating fuel injection pump diaphragm coupler. 1. Cut locking wire and remove three bolts (A) and recessed washers. 2. Loosen bolt (B) until threads are free. Bolt cannot be rem oved until fuel injection pump is removed from engine. Remove pump and remove bolt (B) and recessed washer from pump. Figure 5-96. Removing fuel injection pump. Figure 5-94. Removing fuel injection pump diaphragm coupler bolts. 5-57