Farr HD8625 Technical Manual page 10

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Illustration 1.A.1: HD8625 Tong . ............................................................................................................................................... 1.1
Illustration 1.A.2: HD8625 Power Tong Dimensions . ................................................................................................................ 1.2
Illustration 2.A.1: Sling Angle . ................................................................................................................................................... 2.1
Illustration 2.B.1: Major Component Identification 01 ............................................................................................................... 2.4
Illustration 2.B.2: Major Component Identification 02 ............................................................................................................... 2.5
Illustration 2.B.3: Major Component Identification 03 ............................................................................................................... 2.6
Illustration 2.C.1: Hydraulic Schematic . .................................................................................................................................... 2.7
Illustration 2.C.2: Hydraulic Component Identification 01 . ........................................................................................................ 2.8
Illustration 2.C.3: Hydraulic Component Identification 02 . ........................................................................................................ 2.8
Illustration 2.C.4: Hydraulic Component Identification 03 . ........................................................................................................ 2.9
Illustration 2.D.1: Hydraulic Connections 01............................................................................................................................. 2.9
Illustration 2.D.2: Hydraulic Connections 02............................................................................................................................. 2.10
Illustration 2.E.1: Jaw Removal ................................................................................................................................................ 2.11
Illustration 2.F.1: Tong Suspension Relative To Axial Centre ................................................................................................... 2.12
Illustration 2.F.2: Tong Suspension Relative To Vertical Centre ............................................................................................... 2.13
Illustration 2.F.3: Tong Leveling (Side-To-Side ......................................................................................................................... 2.13
Illustration 2.F.4: Tong Leveling (Front-To-Rear ....................................................................................................................... 2.14
Illustration 2.G.1: Tong Rotation Control Valve . ........................................................................................................................ 2.15
Illustration 2.G.2: Tong Lift Cylinder Control Valve ................................................................................................................... 2.16
Illustration 2.G.3: Tong Motor Speed Control Valve ................................................................................................................. 2.16
Illustration 2.G.4: Tong Manual Shift Control . ........................................................................................................................... 2.17
Illustration 2.H.1: Master Lifting Link ........................................................................................................................................ 2.18
Illustration 2.H.2: Backing Pin Set To "Make-up" Position ........................................................................................................ 2.19
Illustration 2.H.3: Lift Cylinder Control - Raise.......................................................................................................................... 2.19
Illustration 2.H.4: Opening Tong Door ...................................................................................................................................... 2.20
Illustration 2.H.5: Motor Control - Make-up............................................................................................................................... 2.21
Illustration 2.H.6: Motor Control - Releasing Jaws ................................................................................................................... 2.21
Illustration 2.H.7: Lift Cylinder Control - Lower ......................................................................................................................... 2.22
Illustration 2.H.8: Setting Backing Pin To "Break-Out" Position . ............................................................................................... 2.23
Illustration 2.H.9: Rotation Control - Break-out . ........................................................................................................................ 2.24
Illustration 2.H.10: Using Motor Control To Release Tong Jaws Following Break-out & Un-threading .................................... 2.24
Illustration 2.H.11: Lowering Tong Using Lift Cylinder Control.................................................................................................. 2.25
Illustration 3.D.1: Cam Follower Lubrication . ............................................................................................................................ 3.2
Illustration 3.D.2: Support Roller Lubrication ............................................................................................................................ 3.2
Illustration 3.D.3: Rotary Idler Lubrication ................................................................................................................................ 3.3
Illustration 3.D.4: Pinion Idler Lubrication Point . ....................................................................................................................... 3.3
Illustration 3.D.5: Pinion Lubrication Points .............................................................................................................................. 3.4
Illustration 3.D.6: Clutch Lubrication Points . ............................................................................................................................. 3.5
Illustration 3.D.7: Motor Mount Lubrication Point...................................................................................................................... 3.5
Illustration 3.D.8: Shifter Shaft Lubrication ............................................................................................................................... 3.6
Illustration 3.D.9: Tong Door Lubrication Points ....................................................................................................................... 3.6
Illustration 3.D.10: Door Cylinder.............................................................................................................................................. 3.7
Illustration 3.E.1: Brake Band Adjustment ................................................................................................................................ 3.7
Illustration 3.E.2: Tong Door Latch Adjustment ........................................................................................................................ 3.8
Illustration 3.E.3: Shifter Detent Force Adjustment . .................................................................................................................. 3.8
Illustration 3.H.1: Tong Assembly - Rotary Gear Installation .................................................................................................... 3.12
Illustration 3.H.2: Tong Assembly - Gear Assembly Positioning ............................................................................................... 3.13
Illustration 3.H.3: Tong Assembly - Top Fastener Locations..................................................................................................... 3.14
Illustration 3.H.4: Tong Assembly - Support Rollers (Securing Leg Mounts ............................................................................. 3.15
Illustration 3.H.5: Tong Assembly - Front Leg Installation ........................................................................................................ 3.15
Illustration 3.H.6: Tong Assembly - Support Rollers (Brake band Weldments . ......................................................................... 3.16
Illustration 3.H.7: Tong Assembly - Top Shifter Bushing Assembly .......................................................................................... 3.17
Illustration 3.H.8: Tong Assembly - Front Cage Plate Spacers . ................................................................................................ 3.18
Illustration 3.H.9: Tong Assembly - Safety Door Valve Installation ........................................................................................... 3.19
Illustration 3.H.10: Tong Assembly - Rigid Sling Adjustment Bolt Installation........................................................................... 3.20
Illustration 3.L.1: Shipping Instructions - Pallet......................................................................................................................... 3.29
Illustration 3.L.2: Shipping Instructions - Wrapping Chain Sling & Strapping To Pallet ............................................................ 3.30
Illustration 4.B.1: Relief Valve Troubleshooting - Temporary Gauge Installation . ..................................................................... 4.2
Illustration 6.A.1: Torque Gauge . .............................................................................................................................................. 6.1
Illustration 6.A.2: Tension Load Cell ......................................................................................................................................... 6.1
Illustration 6.A.3: Compression Load Cell ................................................................................................................................ 6.1
Illustration 6.A.4: Tension Load Cell Exploded ......................................................................................................................... 6.3
Illustration 6.A.5: Turn Counter Encoder Mount Exploded ....................................................................................................... 6.4
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