York YST - Page 83

JOHNSON CONTROLS
83
SECTION 7 - PREVENTIVE MAINTENANCE
FORM 160.67-O2
ISSUE DATE: 10/9/2020
7
PROCEDURE DAILY WEEKLY MONTHLY YEARLY
TURBINE
Visual Inspection (external damage, leaks) X Check Oil Level in Reservoir (and Governor If Applicable) X Check for Unusual Vibration / Noise X Check Oil Temperature and Pressure X Observe seal steam venting X Check Aux. Oil Pump Operation (KD Only) X Check Shafts (free of Oil and Grease) X Exercise Trip Valve Remote Knob Operation X Check Oil System Operation X Verify Operation / Setting / Calibration of Safety Controls
1
X
Leak Check and Repair Leaks as Needed
1
X
Check Oil and Filter X Remove / Clean Steam Strainer X Check Thrust Bearing End Play X Remove / Check Operation Sentinel Warning Valve X Drain / Clean Oil Reservoir X Drain / Clean Governor (If Applicable) X
Change Filter with Oil Change
X
Check / Recalibrate Gauges X Open / Inspect Turbine / Replace as Required 3 Years Rotor 3 Years Labyrinth Seals 3 Years
Bearings
3 Years
Gland Seals
3 Years
For operating and maintenance requirements listed above, refer to appropriate service literature, or contact your local Johnson Controls Service Ofce. 1
This procedure must be performed at the specied time interval by an Industry Certied Technician who has been trained and qualied to work on this type of Johnson Controls equipment. A record of
this procedure being successfully carried out must be maintained on le by the equipment owner should proof of adequate maintenance be required at a later date for warranty validation purposes.
2
More frequent service may be required depending on local operating conditions.
160.67-MR1 (614)
Issue Date: 6/20/2014