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TM 9-2815-225-34&P 3-73.  ACCESSORY DRIVE HOUSING ASSEMBLY INSTALLATION THIS TASK COVERS: Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) All None SPECIAL TOOLS TROUBLESHOOTING REFERENCES None Para. 2-8 TEST EQUIPMENT EQUIPMENT CONDITION Dial gauge attachment (15434) ST-1325 Camshaft and cam followers installed (para. 3-70). Dial indicator and sleeve assembly (15434) 3376050 SPECIAL ENVIRONMENTAL CONDITIONS Work area clean and away from blowing dirt and MATERIALS/PARTS dust. Gasket (15434) 200809 GENERAL SAFETY INSTRUCTIONS PERSONNEL REQUIRED None Automotive repairman MOS 63H LOCATION/ITEM ACTION REMARKS Installation 1.   Crankshaft (5) a.  Turn in direction of engine Rotate crankshaft clockwise when rotation until No. 1 cylinder is at facing front of crankshaft (5). Top Dead Center (TDC) of compression stroke (6). b.  Turn in direction of engine rotation to 90° after (TDC) (7). 2.   Accessory drive housing Position on cylinder block (1). Ensure timing mark on assembly (3) and new accessory drive gear (9) lines up gasket (2) with timing mark on camshaft gear (8).  This alignment is neces- sary so that valve and injector adjustment marks on accessory drive pulley will be correctly aligned. 3.   Five captive washer screws Install on accessory drive Tighten to 40-45 lb-ft (54-61 Nm). (4) housing assembly (3), gasket (2), and cylinder block (1). 4.   Accessory drive gear (9) Check accessory drive gear-to- Use dial gauge attachment and camshaft gear (8) camshaft gear backlash as (ST-1325) and dial indicator and follows: sleeve assembly (3376050). a.  Install dial indicator on front of cylinder block (1), and position tip of indicator against a tooth of accessory drive gear (9). 3-576


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