SDC - Annual Preventative Maintenance
Annual preventative maintenance activities for the SDC.
Expal USA
01/14/2026
SDC - Annual Preventative Maintenance
This procedure outlines the annual preventative maintenance tasks required to inspect, service, and verify proper operation of the SDC. Completing these checks helps ensure equipment reliability, safety, and continued compliance with operational requirements.
Loading System
Inspection of the conveyor system.
Inspect conveyor motor 101-M01
Inspect conveyor motor 101-M02
Inspect Turn Table motor 102-M01
Inspect Elevator motor 104-M01
Inspect Elevator motor 104-M02
Inspect signal lamp YI-10704
Loading Gate
Inspect Loading Gate for wear
Inspect Loading gate cylinders (2)
Inspect Pneumatic Seals
Loading Chamber
Inspect Chute
Visual inspection of chamber
Inspect Pusher
Inspect Tilt Cradle Cylinders A/B
Inspect Frag-valve Cylinder
Inspect Frag-valve Pin
Inspect Emergency Pusher
Inspect Tilt Cradle Sprocket/Chain
Inspect Process Ventilation Valve
DC
Visual inspection of DC for damage
Visual inspection of locking ring
Inspection of heating elements.
Inspection of heating element connections
Combustion Air
Check insulation resistance of the heating elements.
Check heating element connections.
Checking piping for leakage/damage.
Check valve 140V01 for leakage/damage.
Check valve UV-14001 for function and leakage/damage.
Lifting System
Visual inspection of leakage/damage (UV12012)
Measure thickness of the rotors on brakes for lifting unit. (UV12017)
Measure air gap of the brakes for lifting unit. (UV12017)
Measure operating voltage for brakes on the lifting unit. (UV12017)
Hydraulic Unit (180)
Process Ventilation
Check coupling/fitting for leaks
Check/clean fan rotor
Check Motor 172-M01 for damage.
Air Manifolds
check the third-floor air manifold for leaks.
check the second-floor air manifold for leaks.
Control room/Surveillance
All equipment function as intended.
Camera and housing (YI-11401)
Camera and Housing (YI-11405)
Camera and housing (YI-12023)
Electrical Room
Visual Inspection for damage
Check cabinet doors for damage/tightness.
Marking/labels
Warning signs
Other
Stairs/platforms for damage
Special tools needed for SDC (Inventory of tools)
Source: Expal USA (Community Member)