March 2022GR™-20J • GR™-26J Part No. 227656GTviiiTable of ContentsIntroductionImportant Information .........................................................................................iiRevision History ................................................................................................iiiSerial Number Legend ......................................................................................vSection 1 Safety RulesGeneral Safety Rules ........................................................................................viSection 2 SpecificationsMachine Specifications ................................................................................ 2 - 1Performance Specifications ......................................................................... 2 - 2Hydraulic Specifications ............................................................................... 2 - 2Manifold Component Specifications ............................................................. 2 - 3Hydraulic Hose and Fitting Torque Specifications ........................................ 2 - 4SAE and Metric Fasteners Torque Charts ................................................... 2 - 6Section 3 Scheduled Maintenance ProceduresIntroduction .................................................................................................. 3 - 1Pre-delivery Preparation Report .................................................................. 3 - 3Maintenance Inspection Report ................................................................... 3 - 5Checklist A ProceduresA-1 Inspect the Manuals and Decals ......................................................... 3 - 7A-2 Perform Pre-operation Inspection ....................................................... 3 - 8A-3 Perform Function Tests ...................................................................... 3 - 8A-4 Perform 30 Day Service ..................................................................... 3 - 8A-5 Hydraulic Suction Strainer .................................................................. 3 - 9