Farr HD8625 - Table of Contents

viii
hD8625 8-
5
/
8
” 35K Tong
Technical Manual
Table of conTenTs
SECTION ONE: INTRODUCTION
 Introduction&ContactInformation................................................................................................................................... 1.1
 EquipmentSpecications................................................................................................................................................. 1.2
 LubricantSpecications................................................................................................................................................... 1.6
SECTION TWO: SETUP & OPERATION
A. SLING/LOADBEARINGDEVICESAFETY........................................................................................................... 2.1
1. InspectionOfSlings......................................................................................................................................... 2.2
2. ProperUseOfLoad-BearingDevices............................................................................................................. 2.3
3. StorageOfLoad-BearingDevices................................................................................................................... 2.3
B. MAJORCOMPONENTIDENTIFICATION............................................................................................................... 2.4
C. HYDRAULICSCHEMATICS&VALVEIDENTIFICATION....................................................................................... 2.7
D. HYDRAULICCONNECTIONS................................................................................................................................. 2.9
E. TONG/BACKUPJAWAVAILABILITY&INSTALLATION
1. Availability........................................................................................................................................................ 2.10
2. Jaw&DieRemoval.......................................................................................................................................... 2.11
F. TONGRIG-UP&LEVELING
1. Suspension&Restraint................................................................................................................................... 2.11
2. TongLeveling................................................................................................................................................... 2.13
G. TONGOPERATION
1. InitialStart-upandBreak-inProcedure............................................................................................................ 2.14
2. ValveOperation...............................................................................................................................................  2.15
3. ShiftingGears.................................................................................................................................................. 2.17
4. GeneralComments.......................................................................................................................................... 2.17
H. MAKINGANDBREAKINGCONNECTIONS
1. MakingAConnection....................................................................................................................................... 2.18
2. BreakingAConnection..................................................................................................................................... 2.23
I. EXTREMECOLDWEATHEROPERATIONPROCEDURES................................................................................. 2.25
SECTION THREE: MAINTENANCE
A. GENERALMAINTENANCESAFETYPRACTICES................................................................................................ 3.1
B. CLEANING
............................................................................................................................................................... 3.1
C. PREVENTIVEMAINTENANCEPRACTICES.......................................................................................................... 3.1
D. LUBRICATION......................................................................................................................................................... 3.2
E. ADJUSTMENTS
1. BRAKEBANDADJUSTMENT:................................................................................................................................ 3.7
2. DOORLATCHADJUSTMENT................................................................................................................................. 3.7
3. SHIFTERDETENTFORCEADJUSTMENT:........................................................................................................... 3.8
F. RECOMMENDEDPERIODICCHECKS
1. DoorStopSpring............................................................................................................................................. 3.9
2. ShiftingShaft.................................................................................................................................................... 3.9
3. BackingPin......................................................................................................................................................  3.9
4. TorqueGaugeAssembly.................................................................................................................................. 3.9
G. OVERHAULPROCEDURES-DISASSEMBLY....................................................................................................... 3.9
H. ASSEMBLYPROCEDURES.................................................................................................................................... 3.11
I. DAILYINSPECTION&MAINTENANCECHECKLIST(POWERTONG)................................................................ 3.22
J. MONTHLYMAINTENANCECHECKLIST-POWERTONG................................................................................... 3.24
K. TUBULARCONNECTIONEQUIPMENTDE-COMMISSIONING&SHIPPINGPROCEDURE.............................. 3.27
L. TUBULARCONNECTIONEQUIPMENTRE-COMMISSIONINGPROCEDURE................................................... 3.31
SECTION FOUR: TROUBLESHOOTING
A. TONGWILLNOTDEVELOPSUFFICIENTTORQUE............................................................................................ 4.1
B. RELIEFVALVEISINCORRECTLYSETORNOTFUNCTIONING........................................................................  4.2
C. SAFETYDOORDOESNOTOPERATEORISMALFUNCTIONING..................................................................... 4.4
D. TONGRUNNINGTOOSLOWLY............................................................................................................................. 4.5
E. FAILUREOFJAWSTOGRIPPIPE........................................................................................................................ 4.6
F. FAILUREORDIFFICULTYOFTONGTOSHIFT................................................................................................... 4.7
G. GENERALCOMMENTS.......................................................................................................................................... 4.8
SECTION FIVE: PARTS AND ASSEMBLIES
GearTrainLayout............................................................................................................................................................ 5.2
SupportRoller.................................................................................................................................................................. 5.4
SupportRoller-DoorPivot.............................................................................................................................................. 5.6
RotaryIdler....................................................................................................................................................................... 5.8
PinionIdler...................................................................................................................................................................... 5.10
PinionAssembly............................................................................................................................................................... 5.12
ClutchAssembly............................................................................................................................................................... 5.14
ShiftingAssembly............................................................................................................................................................. 5.16
Rotary(CagePlate)Assembly......................................................................................................................................... 5.18
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