TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 CRANKSHAFT MAIN BEARINGS INSPECTION 0138 00 THIS WORK PACKAGE COVERS: WP 0138 00-1 Inspection INITIAL SETUP: Tools and Special Tools: Dial indicator (item 65, WP 0176) General mechanic’s tool kit (item 121, WP 0176) Jackscrew (crankcase spreading tool) (item 110, WP 0176) Mechanical puller adapter (item 2, WP 0176) Micrometer caliper set, inside (item 16, WP 0176) Micrometer caliper set, outside (item 17, WP 0176) Slide hammer puller assembly (item 88, WP 0176) Torque wrench, 0-175 foot pound (item 127, WP 0176) Expendable Materials: Lubricating oil, engine (item 21, WP 0173) Lubriplate (item 23, WP 0173) Prussian blue paste (item 25, WP 0173) Personnel Required: Track Vehicle Repairer (2) 63H10 Equipment Conditions: Engine on maintenance stand (WP 0130) Crankshaft removed (WP 0139) INSPECTION CAUTION Main bearing halves (used or new) must be inspected according to procedures in this work package. Failure to comply may result in premature failure of engine. NOTE Used crankshaft main bearing halves were and removed and marked when the crankshaft was removed (WP 0139). CAUTION Main bearing halves should be installed in their original location when they are reused. Use new bearings when a visual inspection indicates bearings are unserviceable. Use only new or serviceable bearings for main bearing bore check.