ROUTINE JACK
MAINTENANCE BULLETIN
1 OF 1
The following Preventative Maintenance Schedule is provided as a guide to insure that
hydraulic aircraft jacks are always ready for operation. The time intervals listed are a
general recommendation only. The actual interval used should include factors for the
climatic conditions in which the equipment is stored and the frequency of equipment use.
Prior to Operation
1. Inspect for damaged or missing components.
2. Inspect for oil leakage and proper fluid level.
3. Inspect screw extension for mechanical stop.
4. Inspect all snap rings for engagement into grooves.
5. Inspect jack adapter for damage.
Every 6 Months
1. Inspect for worn snap ring grooves.
2. Change hydraulic filters if applicable.
3. If jack has not been used regularly, cycle jack without load.
4. Grease all lube fittings with a general purpose grease.
5. Wipe down ram(s) and screw extension with hydraulic oil.
Every 12 Months
1. Calibrate pressure gauge if applicable per RJM 173.
2. Perform "Recommended Annual Jack Certification Procedure"
per RJM 147.
RJM 170
2222 S. Third St., Columbus, OH 43207 - Tel: 614 443 7492 - Fax 614 444 9337 - email: sales@columbusjack.com - www.columbusjack.com
West Coast Office: 369 Cliffwood Park St. Unit D, Brea, CA 92821 - Tel: 714 257 9412 - Fax 714 257 9385
TO PROVIDE COMPLETE INFORMATION ON SERVICING
ColumbusJACK/REGENT QUALITY GROUND HANDLING EQUIPMENT
SUGGESTED PREVENTATIVE MAINTENANCE FOR JACKS
