Farr KT5500, Technical Manual

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KT5500 5-
1
/
2
” T
ong
& CLInCHER® B
aCKup
S
ECTIon
C
onTEnTS
2.21
T
ECHnICaL
M
anuaL
S
ETup
& o
pERaTIon
McCoy Drilling & Completions recommends that the following pre-operating tests be performed after receipt from the factory or
after extended storage, prior to releasing the tong to operations:
• Perform a complete inspection of all fasteners to ensure none have loosened during transport.
• Connect the tong to the power unit, and apply full hydraulic pressure. Inspect and correct any leaks.
• Operate the tong at full speed and in high gear for a duration of one-half hour. Hot bearing caps may indicate impending
bearing failure.
• Switch to low gear and operate for an additional one-half hour at full speed.
• Run the backup through several clamp/un-clamp sequences to ensure functionality.
• Inspect all components and hydraulic fittings for possible defects following completion of the tests. All FARR Tongs have
been thoroughly tested at the factory prior to shipping, but shipping damage must be identified before running the tong in
an operational environment.
• Carefully inspect the safety door components, and test to ensure that the safety device on each door is operating correctly
before releasing the tong to the operating environment.
YOUR EQUIPMENT HAS BEEN THOROUGHLY TESTED AND INSPECTED AT THE FACTORY.
HOWEVER, WE ADVISE INSPECTION AND TESTING OF YOUR NEW TONG AFTER TAKING
POSSESSION IN ORDER TO ELIMINATE THE POSSIBILITY OF SHIPPING DAMAGE.
G. TONG OPERATION
1. Operator Training
Many companies set qualification standards that must be met before equipment is may be operated without supervision. McCoy
Drilling & Completions recommends operator training, which typically consists of operation of the equipment under the supervi-
sion of a trained equipment operator until a satisfactory level of competence is achieved. Typical operator training should include:
• Introduction to and general description of equipment
• Technical specifications and performance data
• Operating instructions
• Control systems and interlocks
• Operating hazards
• Checks and inspections
2. Initial Start-up and Break-in Procedure
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.
TONG DOOR MUST BE CLOSED AND SECURELY LATCHED BEFORE THE POWER UNIT IS
STARTED IN ORDER TO ASSURE THE SAFETY OF OPERATING PERSONNEL
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.
Following inspection of the hoses, energize the hydraulic power unit and allow it to idle until warm. Allow hydraulic fluid to cir-
culate for approximately 10 minutes, then slowly close the Bypass Valve to allow hydraulic 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