14 1/2" Closed Mouth Trailer-Mounted Bucking Unit
Section Contents
3.14
Technical Manual
BEST BY FARR
TM
Farr recommends that the following pre-operating tests be performed prior to releasing the tong
assemly to a operational environment:
• Operate the tong at full speed and in high gear for a duration of one-half hour.
• Switch to low gear and operate for an additional one-half hour at full speed.
• Inspect all components and hydraulic fittings for possible defects following completion of the tests.
All FARR Tongs have been throughly tested at the factory prior to shipping and any defects may
be the result of shipping damage.
Ensure adequate lube oil and hydraulic oil levels before starting engine. Use start up procedures as
recommended by the power unit engine operator’s manual. Open the Bypass Valve on the hydraulic
system, and inspect all pressure and return line hose connections to ensure correct and secure
installation.
IMPROPERLY SECURED HYDRAULIC CONNECTIONS WILL INTERRUPT
HYDRAULIC FLUID FLOW, AND COULD RESULT IN THE FOLLOWING
FAILURES:
• A restriction in the pressure supply hose will result in high pressure within the
power unit hydraulic system, which will activate the hydraulic governor and
increase the engine speed to as high as maximum RPM.
• A restriction in the return line will result in high pressure within the power unit and
the tong hydraulic system, causing engine speeds as high as maximum RPM, and
possible failure of the motor seal.
Setup & Operation
E. TONG OPERATION
1. INITIAL START UP & BREAK-IN PROCEDURE
ALTHOUGH YOUR NEW EQUIPMENT HAS BEEN TESTED AND INSPECTED AT
THE FARR FACTORY PRIOR TO SHIPPING, WE ADVISE THOROUGH TESTING
OF YOUR NEW TONG AFTER YOU TAKEN POSESSION IN ORDER TO ELIMINATE
THE POSSIBILITY OF SHIPPING DAMAGE.
Following inspection of the hoses, start the engine and allow it to idle until warm. Allow hydraulic
fluid to circulate for approximately 10 minutes, then slowly close the Bypass Valve to allow hydrau-
lic fluid to circulate through the hoses and to the tong (circulating pressure should not exceed 200
psi). Place the tong gear shifter in low gear and rotate the tong slowly forward and then reverse
with the throttle valve control lever. Once this has been done and the proper size jaws have been
installed, the tong is then ready to run pipe.
(45 páginas)
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