Maintenance
Safety, Operation and Maintenance Manual - Aug 2012 5-3
SY115C9/135C/155H Crawler Hydraulic Excavator
5.8.8.3 Nitrogen pressure in accumulator (control oil circuit) - check ............. 5-89
5.8.8.4 Hydraulic circuit internal pressure - release ........................................ 5-92
5.8.8.5 Oil in hydraulic tank - change .............................................................. 5-93
5.8.8.6 Alternator - inspect .............................................................................. 5-95
5.8.8.7 Engine valve clearance - check/adjust ................................................ 5-95
5.8.9 Every 4000 service hours ............................................................................ 5-95
5.8.9.1 Coolant pump - inspect ....................................................................... 5-95
5.8.9.2 Start motor - check .............................................................................. 5-95
5.8.9.3 Accumulator (control oil circuit) - replace ............................................ 5-96
5.8.9.4 High-pressure tube clamps and rubber - check .................................. 5-97
5.8.9.5 Compressor working condition - inspect ............................................. 5-97
5.8.10 Every 8000 service hours .......................................................................... 5-98
5.8.10.1 High-pressure tube clamps - replace ................................................ 5-98
5.8.11 Every 10000 service hours ......................................................................... 5-98
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