Maintenance Bulletins

Routine Jack Maintenance Bulletins provide complete information on servicing ColumbusJACK/Regent quality ground handling equipment. Instructions from operating procedures to jack maintenance to jack testing can be found here.

Calibration Procedures
173 - Pressure/Load Gauge Information

Certification Procedures
147 - Annual Jack Certification

Installation Procedures
149 - Teflon Backup Ring

Leveling
179 - Tripod Jack Leveling Supplement

Maintenance
117 - Adjusting 915-16A Style Cartridge Relief Valves
207 - Adjusting ColumbusJACK Style Relief Valves
201 - Bead Breaker Preventative Maintenance
171 - Hydraulic Oil Recommendations
174 - In-Service Check - Model 7089-010
170 - Jack Preventative Maintenance
210 - Procedure for Adjusting Relief Valve in 5033-010 Bead Breaker
190 - Removing/Installing Tripod Jack Rams
191 - Removing/Installing Axle Jack Rams - Double Acting Only
205 - Wear Limits on Cylinder Base on Alligator Style Axle Jacks
102 - Winterization of Hydraulic Aircraft Jacks

Operating Procedures
178 - Double Hand Pump
146 - Multiple Stage Jacking with Locknuts
186 - Multiple Stage Jacking without Locknuts
197 - Positioning Tripod Jacks Under Aircraft Jacking Point
206 - Universal Bead Breaker Adapter

Screw Extension
159 - Removing/Installing Stop Pin
116 - Usage

Testing
187 - Axle Jack - without Tester
185 - Axle Jack Model 7089-010 without Tester
184 - Rhino Jack Series 8398 without Tester
142 - Rhino Jack Series 5923
156 - Rhino Jack Series 8398
188 - Tripod Jack without Tester