| Service Bulletins |
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| General Maintenance and Operation | ||
| SB04-001 | Drill Pipe Breakout Procedures | Feb 02/04 |
| SB03-007 | Tram Lockout Valve Mounting | Sept 19/03 |
| SB03-006 | Tram Lockout Valve | Aug 21/03 |
| SB02-0003 | Track Idler and Recoil Spring | Oct 30/02 |
Undercarriage |
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| - None at this time - | ||
Feed Arrangement |
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| SB04-004 | QXR Mast Connection Plate | Jul 26/04 |
| SB04-003 | QXR Feed Extension Cylinder bracket Retainer Bar | Jul 7/04 |
| SB03-005 | Mast Connection Plate | Jul 7/03 |
| SB03-0001 | Possible Cracks in Mast Tube for QXR | Mar 13/03 |
| SB02-0005 | Mast Foot and Centralizer Modification | Dec 23/02 |
| SB02-0004 | QXR Carousel Modification | Nov 27/02 |
| SB.0001 | Top Drives: Bearing Pre-Load | Jan 10/91 |
Hydraulic System |
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| - None at this time - | ||
Drill Air / Compressor |
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| SB04-002 | Remote Mounted Oil Pressure Switch | June 18/04 |
| SB.0002 | Booster Compressor | Feb 26/93 |
Electrical |
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| SB03-0004 | PanelView Messages and Codes | Apr 17/03 |
| SB03-0002 | Change to CP19103 Joystick | Mar 18/03 |