1.check oil condition for any smell, discoloration or degradation.
2. Turn the engine to BDC and start checking from under stuffing box area for any sign of black oil, an indication of stuffing box leaking.
3. Check the piston rod surface for scoring marks and roughness.
4. Check piston palm bolts and locking device for slackness and fretting.
5.Check the guide and guide shoe bearing general condition and the area around frame where guide is attached for any visible cracks.
6.Check that the guide shoe end cover bolts are in place and not slack.
7.Check cross head bearing general condition.
8.Evaluate top and bottom end of connecting rod bolt, nut and locking device for slackness, signs of fretting, etc.
9.Check for sliding of bottom end bearing (axial movement) or floating of connecting rod.
10.check for slip of web and journal by checking the reference mark.
11. Check web in the area of stress concentration and check tie bolt (bottom side).
12.Check cross grider, area around main bearing & bearing keep for sign of cracks and check around main bearing.
13. All bearings must be checked for silvery color (indicates bearing wiping).
14. Check the surroundings of the oil pan area of all units for any sludge deposits, bearing metal pieces, etc.
15.Check crank case relief door- wire mesh (should be wet), spring tension, sealing ring condition, etc.
16.Check the teeth of transmission gear for sign of wear.
17.Check chain drive for tightness. 18.Use oil mist detector on sampling pipe to check for clear passage. Clear all the foreign materials from the crank case, and make sure all tools are accounted for.
19. Start lube oil pump and cross head lubricating pump and check for the oil flow and distribution.
20. Check crankcase door sealing condition and close the crankcase door.
2. Turn the engine to BDC and start checking from under stuffing box area for any sign of black oil, an indication of stuffing box leaking.
3. Check the piston rod surface for scoring marks and roughness.
4. Check piston palm bolts and locking device for slackness and fretting.
5.Check the guide and guide shoe bearing general condition and the area around frame where guide is attached for any visible cracks.
6.Check that the guide shoe end cover bolts are in place and not slack.
7.Check cross head bearing general condition.
8.Evaluate top and bottom end of connecting rod bolt, nut and locking device for slackness, signs of fretting, etc.
9.Check for sliding of bottom end bearing (axial movement) or floating of connecting rod.
10.check for slip of web and journal by checking the reference mark.
11. Check web in the area of stress concentration and check tie bolt (bottom side).
12.Check cross grider, area around main bearing & bearing keep for sign of cracks and check around main bearing.
13. All bearings must be checked for silvery color (indicates bearing wiping).
14. Check the surroundings of the oil pan area of all units for any sludge deposits, bearing metal pieces, etc.
15.Check crank case relief door- wire mesh (should be wet), spring tension, sealing ring condition, etc.
16.Check the teeth of transmission gear for sign of wear.
17.Check chain drive for tightness. 18.Use oil mist detector on sampling pipe to check for clear passage. Clear all the foreign materials from the crank case, and make sure all tools are accounted for.
19. Start lube oil pump and cross head lubricating pump and check for the oil flow and distribution.
20. Check crankcase door sealing condition and close the crankcase door.
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