ENGINE MAINTENANCE. (cont) - TM-5-3805-261-34

ENGINE MAINTENANCE. (cont) - TM-5-3805-261-34_872

ENGINE MAINTENANCE. (cont) - TM-5-3805-261-34_874

TM-5-3805-261-34 Grader Heavy Road Motorized (Caterpillar Model 130 G) Manual
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TM 5-3805-261-34 ENGINE MAINTENANCE. 13-8. Piston and Connecting Rod. (Sheet 8 of 12) INSPECTION 11. Remove and inspect two bearings (12). Replace if scored, cracked, pitted, flaked or signs of overheating. 12. Using micrometer, measure crankshaft connecting journal taper from front to rear of journal and for out-of-roundness in connecting rod journals. Refer to paragraph 13-4. NOTE Ring gap will increase .003 inch for each .001 inch of cylinder line, bore size increases. 13. Inspect piston rings (3 and 4). Compression rings develop a shiny line around their face as the ring wears and widens. Measure the line. If the top ring measures wider than .100 inch and the second ring measures wider than .050 inch, then discard rings. Also replace rings if signs of deep scratching, chrome chipping or scuffing. 14. Inspect oil ring (5). Discard if worn or evidence of internal spring groove wear. 15. Inspect cylinder liner. Reuse liner if wear step does not exceed .005 inch. Replace if necessary. Refer to paragraph 13-2. Go to Sheet 9 13-47

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