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Vulcan Hammer Off Shore Tips

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.

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


Tip # 001 : Head Gasket/Single Acting Hammer

We have noticed over the years that some hammer users do not replace a leaking Cylinder Head Gasket on Single Acting Hammers. They do this on the assumption that it really isn't necessary because a Single Acting Hammer does not have pressure between ... Read More    

Tip # 002 : Ram Keys Too Tight

Sometimes it is difficult not to tighten the Ram Keys too much. Driven with a heavy weight a Ram Key can easily be driven so far as to bend. Figure No.1 shows a Ram Key properly seated. Figure No.2 shows a Ram Key driven too far and bent. The key is ... Read More    

Tip # 003 : Tightening the Packing Gland

Many Pile Hammer mechanics have a tendency to tighten the Packing Gland too tight. A little steam or air leaking through the Packing is not objectionable. The oil mixed with the escaping air or steam will lubricate the Packing and Piston Rod. ... Read More    

Tip # 004 : Removing Broken Ram Point

When Ram Point failures occur. it is generally true that they break through he neck of the point at or near the bottom surface of the Ram. It is most usually almost impossible to press out the broken neck portion of the point from the Ram. The proper ... Read More    

Tip # 005 : Stripped Thread Repairs

It is frequently found in older hammers that stud hole threads will sometimes become stripped of sufficient holding thread as to necessitate some form of repair. Generally speaking there am two alternate methods of effecting this repair the first is ... Read More    

Tip # 006 : Broken Stud Removal

Probably one of the most annoying problems in hammer repair is the removal of broken studs or screws. Shown below is an easy and proven method of removing the broken portion of the stud or screw without damage to the tapped hole. Apply genero ... Read More    

Tip # 007 : Steam Chest Valve Liners

Replaceable Steam Chest Valve Liners are standard equipment in all Vulcan Single and Differential Acting Pile Hammers These Valve Liners were adopted to provide easy means of replacing worn surfaces in the Steam Chest in lieu of reboring. Given belo ... Read More    

Tip # 008 : Vari-Cycle Hammers

Vulcan Vari-Cycle (Stroke Control) is available for all Vulcan Single Acting Hammers having a cylinder which has as an integrally cast pad part thereof the necessary mounting pads for installation of the Vari-Cycle equipment. Shown in the table below ... Read More    

Tip # 009 : Compressed Air Velocity Fuse

In the new Department of Labor Safety Regulations for Construction, it states in the Federal Register, Volume 36, Number 75, that "all hoses exceeding 1/2 inch inside diameter shall have a safety device at the source of supply or branch line to reduc ... Read More    

Tip # 010 : Outboard Bracket Shims

On all Vulcan and Super Vulcan Offshore Pile Hammers, and all Vulcan Hammers equipped for Vari-Cycle, there is an extension of the Open Steam Chest Head (see illustration) called the "Outboard Bracket." This serves not only as a guard to protect the ... Read More    

Tip # 012 : Stud Installation (Tap-End Studs)

When you replace and install new studs In your Vulcan equipment, there are certain precautions to be observed. All Vulcan studs have an unthreaded portion between the two threaded ends. Do NOT install studs using a pipe wrench on the unthreade ... Read More    

Tip # 013 : Trouble Shooting

A. Hammer Runs Too Slow: Possible Causes: Steam Or air pressure too low. Steam supply line too long or not proper size. Steam supply line restricted in some manner. Lack of lubrication. Worn or broken piston rings or scored cylin ... Read More    

Tip # 014 : Bushing Replacement

The use of bronze bushings in Vulcan products is limited to head sheaves and steam chest heads. From time to time it is necessary to replace these bushing. All of these bushings are press fitted. Sometimes the parts into which these bushings are pres ... Read More    

Tip # 015 : Piston & Rod Installation

When installing a Piston and Rod in certain Vulcan Offshore Pile Hammers, it is necessary to take certain precautions to assure that all parts are properly assembled one with another and that subsequent to assembly proper working clearances exist. Th ... Read More    

Tip # 016 : Serial Numbers

It is frequently desirable to ascertain the age of equipment for appraisal, evaluation and a variety of other reasons. As is customary in most construction equipment, we show below the year of manufacture and the serial number range for that particul ... Read More    

Tip # 017 : Product Bulletin

Annually we publish a listing of all products currently in production. Listed below are all units in current production accompanied by current model and specification numbers.   Note: This system was devised in order to bring some orde ... Read More    

Tip # 018 : Dovetail Repair

As your Vulcan Offshore Hammers grow older, it is unavoidable that wear occurs in the Dovetail Guide in the Cylinder that guides and retains the slide bar. Excessive wear in this Dovetail Guide can cause damage to not only the Slide Bar but the Trip ... Read More    

Tip # 020 : Cushion Pot Dimensions

Frequently in the course of designing a foundation, the dimensions of the cushion block are necessary for purposes of computing its stiffness for the wave equation analysis. Below are the cushion pot dimensions for our air/steam hammers: Ham ... Read More    

Tip # 021 : Pipe Cap Dimensions

In addition to the cushion block size, another important input to the wave equation analysis is the size of the pipe cap (or anvil) block. Below are the basic dimensions for the pipe caps along with the depth of the steps. HAMMER SIZE A ... Read More    

Tip # 023 : Lubrication

Below are the lubrication specifications for the Vulcan offshore pile hammers. APPLICATION POINT Lube Type Oil Viscosity Flash Point (Min.) Other Requirements SUS, 212° F cSt, 100°C Deg. F Deg. C Cylinder and Base Jaw ... Read More    

Tip # 024 : Replacing the Packing

When replacing the packing, the pieces closes to the piston rod will be the ARAMID FIBER (yellow in color) with the remainder being the woven FIBERGLASS. Many Pile Hammer mechanics have a tendency to tighten the Packing Gland too tight. A little s ... Read More    

Tip # 025 : Slide Bar Gripper Modification

Many Vulcan hammer users have expressed interest in a method other than the pipe plug retainers to keep the slide bar gripper wedges in place on Vulcan's largest hammers. Above such a method is shown; the pipe plugs being removed and the bolt and nut ... Read More    
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