Arrived at location and started doing the Garland clam Pm. Pulled unit and replaced the Platen Gaskets and the shaft seals. Cleaned the shafts and lubed . Cleaned the pillow blocks .Cleaned the inside if the grill. Wire connections are tight. Plugs are all ok. Cords are stiff but are ok. Did the temp calibrations and platen leveling. Did beef integrity and 10.1s are above 155 ° F and 4.1s are 175° and better . Completed the pm check list. Grill is ok and the recertification is complete. Recert # 1395914 . In service.