Farr HD8625, Technical Manual

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T
echnical
M
anual
hD8625 8-
5
/
8
” 35K T
ong
vii
Summary Of Revisions
Date Section Page Description Of Revision Approved
June 2011 Initial release S.Hargreaves
Sep 2012
2
2.7
Replaced hydraulic schematic and B.O.M. to reflect changes to hydraulic cir-
cuit.
M.Gerwing
2.9 Replaced Illustration 2.C.4 to reflect changes to hydraulic components
2.10 Updated part number for standard flat die
3
3.9 Revised Section 3.G, “Overhaul Procedures - Disassembly”
3.11-3.21 Revised Section 3.H, “Assembly Procedures”
3.22-3.23 Revised Section 3.I, “Daily Inspection & Maintenance Checklist”
3.24-3.26 Revised Section 3.J, “Monthly Inspection & Maintenance Checklist”
Removed Section, “Daily Inspection & Maintenance - Power Unit”
3.27-3.30
Revised section 3.K, “Tubular Equipment Decommissioning”, added pack-
aging and shipping instructions and retitled “Tubular Connection Equip-
ment De-Commissioning & Shipping”.
4
4.1
Revised section 4.A, Troubleshooting - Tong Will Not Develop Sufficient
Torque
4.2 Inserted new section 4.B, Troubleshooting - Relief Valve
4.4 Inserted new section 4.C, Troubleshooting - Safety Door
4.5 Renumbered section 4.D, Troubleshooting - Tong Running Too Slowly
4.6 Renumbered section 4.E, Troubleshooting - Failure of Jaws to Grip Pipe
4.7 Renumbered section 4.F, Troubleshooting - Shifting
5
5.15 Updated B.O.M., Clutch Assembly
5.17 Updated B.O.M., Manual Shifter
5.28-5.29 Replaced illustration & updated B.O.M., Tong Door Assembly
5.30-5.31 Replaced illustration & updated B.O.M., Tong Safety Door Components
6
Removed illustration, Compression Load Cell Exploded
6.6
Inserted new subsection 6.C.3, “Reference Checking Torque Measurement
System”
Copyright © 20
11
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