Quantcast c.  Inspection and Repair (Contd) - TM-9-2815-225-34P_123

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TM 9-2815-225-34&P 3-34.  ENGINE BLOCK REPAIR (Contd) LOCATION/ITEM ACTION REMARKS c.  Inspection and Repair (Contd) 15.     Fourteen washers (17) Inspect carefully for any cracks Discard if any evidence or or indication of cracks. indication of cracks exist. 16.     Six self-locking screws (8) Inspect threads for damage. Discard if damaged. and twelve captive washer screws (11) NOTE Ensure engine block is checked on a flat surface to prevent distortion.  Do not inspect engine block on maintenance stand. 17.     Engine block (14) Inspect for the following: a.  Check for wear or damage.   Discard if damage is beyond repair. b.  Check for cracks.   Clean area to be checked with SD-3 solvent.  Use crack detection kit (3375432) to find cracks. c.  Check for corrosion.   Check for corrosion on engine block (14) near cylinder sleeves (2).  Discard if counterbore area cannot be cleaned or repaired. d.  Check for flatness.   Check with straightedge and feel- er gauge.  If milling is required and 0.01-0.02 in. (0.25-0.51 mm) of metal is removed from top of engine block (14), use oversize gasket (3036126) to maintain cor- rect distance between cylinder head and engine block (14). e.  Inspect all threads.   Repair with suitable thread chas- er.  Use solid bushing-type thread insert for damaged cylinder head screw threads, and Heli-Coil insert for damaged main bearing screw threads. f.  Check for wear or damage in Replace if damaged or worn. area of six head-to-block pins (6). g.  Check for wear or damage in Replace if damaged or worn. area of six cam follower pins (15). 3-92


 


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