Without GMM or Omni™: B-and C-Maintenance to be carried out as shown in the
Maintenance schedule.
Hint!
For compressors running at 1500 min
-1
fixed speed without GMM or
Omni™ the standard of 12000 hrs becomes 10000 running hours. (B-
maintenance)
Description maintenance A;
1.
Replace/clean oil discharge filter, clean oil suction filter
2.
Visual inspection of cylinders and crankcase
2.a
Visual inspection of cylinder no. 1
2.b
Crankcase inspection on dirt and/or metal particles in case of no oil
sampling for analysis
3.
Check compressor running conditions
4.
Check/test safety equipment
Description maintenance B;
1.
Maintenance A activities
2.
Replace suction and discharge valve rings and springs (“top end“ overhaul)
3.
Inspection of pistons and cylinder liners (Most activated cylinders)
Description maintenance C;
1.
Maintenance B activities
2.
Major inspection:
General; Complete disassembly required as far as necessary to inspect or
replace parts as prescribed by the maintenance table. Replacement of
bearings, inspection/replacement of all main components like crankshaft,
cylinder liners, pistons and valves as prescribed and necessary based on
condition as a result of wear or values out of specs measured. For decisions
on replacement it has to be assured that parts will sustain for another
overhaul period.
MAINTENANCE
SERVICE MAINTENANCE SCHEDULE
0089288_imm_v_english_19
44 07.04.2021
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