
SECTION 5 MAINTENANCE, CONTINUED
Blade Shimming ......................................................................................................................... 5-11
General Guidelines for Build-up and Hardsurfacing ....................................................................5-12
Build-Up and Hardsurfacing Procedure.......................................................................................5-12
Swift-Lock Tooth Replacement ...................................................................................................5-14
Tooth Build-up and Hardsurfacing ...............................................................................................5-15
Hydraulic System Maintenance .................................................................................................. 5-17
Flange Type Hose Fittings...........................................................................................................5-18
The Rotator .................................................................................................................................5-19
Backdriving the Rotator ..............................................................................................................5-19
Major Components of Typical Rotation Systems ........................................................................5-20
Bolt Torquing ............................................................................................................................... 5-21
Torque Values for Turntable Bolts ................................................................................................5-21
Torque Values for Rotation Assembly Bolts................................................................................. 5-21
Planetary Gearbox Lubrication (if equipped) ...............................................................................5-22
Lubricant Change-Out Procedure ...............................................................................................5-22
Planetary Gearbox Lubricants.....................................................................................................5-23
Synthetic Specification ...............................................................................................................5-23
Planetary Gearbox Fill Capacities................................................................................................5-23
Turntable Bearing Lubrication......................................................................................................5-24
Turntable Bearing Lubricants.......................................................................................................5-24
Hydraulic Requirements .............................................................................................................5-25
Crossover Relief Flow Control Manifold .....................................................................................5-25
Motion Control Valve Manifold....................................................................................................5-26
Case Drain ..................................................................................................................................5-26
Control Valve Assembly Schematics and Descriptions ...............................................................5-27
Speed Valve Test and Adjustment...............................................................................................5-28
Speed Valve- Assy Torque ...........................................................................................................5-33
Service and Maintenance Procedures ........................................................................................5-37
SECTION 6 PIVOT ADJUSTMENT AND JAW CHANGEOUT GUIDE
Safety Points................................................................................................................................ 6-2
Pivot Adjustment ......................................................................................................................... 6-2
Isometric Drawing of MDP Pivot Assembly ................................................................................ 6-3
Lower Jaw Preparation ................................................................................................................ 6-4
Upper Jaw Preparation ................................................................................................................ 6-5
Main Shaft Installation ................................................................................................................. 6-6
Pivot Shimming and Assembly .................................................................................................... 6-7
Endplay Check ............................................................................................................................ 6-12
Blade Installation ........................................................................................................................ 6-13
SECTION 7 TROUBLESHOOTING
General Troubleshooting Checklist............................................................................................... 7-2
Hydraulic Performance Troubleshooting Guide ............................................................................ 7-3
Rotation Circuit Troubleshooting Guide........................................................................................ 7-5
Speed Valve Troubleshooting Guide ............................................................................................. 7-7