TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Caution: Do not use an arbor press to remove ball bearings from drive cluster gear. The gear is designed with a shoulder between the two bearings. 1. Remove ball bearings (A) from drive cluster gear using a brass drift. 2. Remove thrust washer (B). Figure 6-85. Drive cluster gear - exploded view. Disassemble Caution: The piston oil cooling valve is a spring loaded assembly. Exercise care when disassembling. 1. Compress valve spring and remove retaining ring (A) from valve stem. 2. Gradually release spring compression and remove valve and spring (B) from body. Assemble 1. Position valve and spring (B) in body. 2. Compress spring until valve stem protrudes from body and install retaining ring (A). Figure 6-86. Disassembling or assembling piston oil cooling valve assembly. cluster gear. c. Cleaning. Refer to paragraph 6-2. d. Inspection. Refer to paragraph 6-3. Inspect parts to the limits specified in overhaul standards (table 6-19). 6-84