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a special feature of

Vulcan: The Offshore Experience


More details on the repair, maintenance and operation of Vulcan hammers can be found in the Guide to Pile Driving Equipment.

Note: photographs of many of the concepts illustrated by these tips can be found by clicking here.

Tip Number

(click on title for tip you want to see)

Corresponds to Onshore Tip

(click here for Onshore Tips)
001 Head Gasket/Single Acting Hammer 1
002 Ram Keys Too Tight 8
003 Tightening the Packing Gland 10
004 Removing Broken Ram Point 24
005 Stripped Thread Repairs 30
006 Broken Stud Removal 31
007 Steam Chest Valve Liners 34, 55
008 Vari-Cycle Hammers 37, 56
009 Compressed Air Velocity Fuse 38
010 Outboard Bracket Shims 40
011 Assembly Procedures (Fastener Torque) 42
012 Stud Installation (Tap-End Studs) 43
013 Trouble Shooting 12
014 Bushing Replacement 27
015 Piston & Rod Installation 50
016 Serial Numbers 35, 52, 57
017 Product Bulletin 44, 54
018 Dovetail Repair 36
019 Bar and Suspension Head Dimensions -
020 Cushion Pot Dimensions 59
021 Pipe Cap Dimensions -
022 Hammer Center of Gravity -
023 Lubrication 5, 67
024 Replacing the Packing -
025 Slide Bar Gripper Modification -

Your Vulcan Offshore Pile Hammers will give you better and more consistent service if they receive good maintenance on a continuing basis.

These initial Vulcan Offshore Tips and subsequent issues should provide valuable assistance in repairing and maintaining your hammers. Consult them frequently.

Keep downtime to the minimum.


The exhortation to the right graced the original table of contents for the Vulcan Offshore Tips. The tips were the offshore counterpart of the more extensive Onshore Tips.

The idea of the Vulcan Tips was to provide practical maintenance information on a periodic basis to the end users of Vulcan equipment. A great deal of information was conveyed with the tips; some of it was later incorporated into the Vulcan Field Service Manuals.

The Offshore Tips were first issued in the mid 1970's; the last tip mailed out was in 1985 and the last one to be prepared was in 1993. The graphical quality of the tips was, to say the least, elementary; in putting these tips on the Web, we attempted to retain this quality in order to give you a feel for the original. We have also made every attempt to replicate the information in the Tips. However, when we feel it is helpful, we have added notes at the bottom of the tips in italics concerning subsequent developments that are important in understanding the contents of the tips.

"Take a tip from Jess Perry..."

The caricature on the left side of our banner above also appeared with the original Offshore Tips. However, the character depicted was very real; Jesse H. Perry was Vulcan's Manager of Engineering Services from the mid-1960's until his sudden death in July 1983. This Web version of the Vulcan Offshore Tips is dedicated to his memory. (Click here for a reminiscence of Jesse during our negotiations with the Petroluem Corporation of the People's Republic of China.)

To be a successful field service man requires a unique combination of personal and technical skills. A Vulcan field service representative had to:

  • Be very knowledgeable about the equipment and its application;
  • Be willing to travel extensively, frequently in unglamorous places (oil is always found in places like this) and be gone for extended periods;
  • Balance the best interest of his customer (the offshore contractor,) the owner (the oil company) and his employer (Vulcan.)

No individual that ever held any field service position at Vulcan was as capable of doing all of this as Jesse Perry, and this webmaster still counts it a privilege to have worked with Jesse both in the office and the field.

Driven Pile Manual Volume 1a
Driven Pile Manual 1b
Driven Pile Manual 2