hydril_actuator_disassembly_&_reassembly_procedure.pdf
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P/N 3121269MARCH 2000
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2These instructions are for use with Hydril ActuatorP/N 3121269 & P/N 3126581
To be used as a guideline for the Disassembly andAssembly of prior Hydril Actuator models P/N3115185, P/N 3117775, and P/N 3120335
Refer To Hydril Kellyguard and Actuator ManualManual 9602B to determine P/Ns, bolt and nuttorque's, and lubricant requirements
A ssembly and Disassembly Instructions
ACTUATOR P/N 3121269
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3(1) PLASTIC MALLET(2) BLADE SCREW DRIVERS(1) 2.0 X 2.0 X 18.0 WOODEN BLOCK(1) 3/4 X 3/4 X 4.0 BRASS ROD(1) 1.0 X 3.0 NYLON STRAP(1) 2,000 LB. JIB HOIST
HAND TOOLS NEEDEDHAND TOOLS NEEDED
Tools needed in addition to therequired tool list in the Hydril KellyGuard Actuator Manual (# 9602b):
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4FULLY ASSEMBLIED HYDRIL ACTUATOR
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5 WITH THE ACTUATOR IN THIS POSITIONREMOVE (4) TIE ROD NUTS.
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6 AFTER (4) TIE ROD NUTS ARE LOOSE REMOVEUPPER STATOR HOUSING
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7 SET UPPER ROTOR ASSY ON TABLE
BE CAREFUL TO KEEP CLEAN
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8 ACTUATOR ASSEMBLY WITH UPPERROTOR REMOVED
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9 REMOVE CRANK RETAINER PLATE NUTS
(4) RETAINER NUTS
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10 REMOVE (2) CRANK RETAINER PLATES
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11
USE PLASTIC MALLET TO REMOVE(2) CRANK SHAFTS
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12 UNSCREW (2) LOCATING PINS
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13 REMOVE (2) LOCATING PINS COMPLETELY
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14
USING A PLASTIC HAMMER AND PIECE OF WOOD,DRIVE PISTON DOWNWARD
ALTERNATE HITTING PISTON AT 180 DEGREESINTERVALS
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15
ALTERNATE HITTING 180 DEGREES UNTILPISTON IS IN THE DOWN POSITION
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16 LIFT OUTER CYLINDER UNTIL FREE
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17
OUTER CYLINDER NOW FREE TO REMOVE
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18
MAY NEED TODRIVE
PISTON FROMOUTER
CYLINDERUSING APLASTIC
HAMMER ANDWOOD WITHTHE OUTERCYLINDER
SUSPENDED
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19
COMPLETELY REMOVE OUTER CYLINDERAND SET ASIDE
KEEP CLEAN
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20
LIFT INNER CYLINDER TILL FREE THENCOMPLETELY REMOVE
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21 REMOVE (4) TIE RODS
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22 (4) TIE RODS REMOVED
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23
REMOVE CRANKS ARMS FROM BOTH SIDES
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24 REMOVE PISTON AND SET ASIDE
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25
LIFT AND TURN OVER LOWER ROTOR ANDSTATOR ASSEMBLY
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WITH THE LOWER ROTOR AND STATORASSEMBLY TURNED OVER, SET ON TABLE
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27
REMOVE (8) HEX HEAD SCREWS FROM UPPERROTOR AND STATOR ASSEMBLY
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USING A SMALL CHISEL AND PLASTIC HAMMER BENDBACK WASHER TABS TO ALLOW ACCESS TO REMOVE
(8) HEX HEAD BOLTS FROM THE LOWER ROTORAND STATOR ASSEMBLY
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REMOVE (8) HEX HEAD SCREWS FROM LOWERROTOR AND STATOR ASSEMBLY
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WITH (2) SCREW DRIVERS 180 DEGREES APARTSEPARATE LOWER ROTOR AND STATOR
ASSEMBLY
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31
LIFT LOWER STATOR FROM LOWER ROTORAND SET ASIDE
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32
REMOVE THE UPPER STATOR FROM UPPERROTOR AND SET ASIDE
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33
USING A SCREW DRIVER CAREFULLY PRY OUTRETAINING RING FROM UPPER ROTOR
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34
USING (2) SCREW DRIVERS CAREFULLY REMOVETHE RETAINING RING FROM THE UPPER ROTOR
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RETAINING RING REMOVED FROM THEUPPER ROTOR
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36
REMOVE RETAINING RING FROM LOWER ROTOR
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37
USING A PLASTIC HAMMER AND A BRASS BAR,CAREFULLY DRIVE DOWN BEARING RETAINERRING AND BALL BEARING FROM UPPER ROTOR
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38
USING A PLASTIC HAMMER AND A BRASS ROD,DRIVE DOWN BEARING RETAINER RING AND BALL
BEARING FROM LOWER ROTOR
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39 REMOVE BALL BEARING FROM UPPER ROTOR
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40 REMOVE RING BEARING RETAINER FROM
UPPER ROTOR
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41 REMOVE BALL BEARING FROM LOWER ROTOR
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42
REMOVE BEARING RETAINER RING FROMLOWER ROTOR
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43 REMOVE (2) UPPER POLYPAK ROTATING INNER SEALSFROM BOTH THE UPPER AND LOWER STATORS
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44
REMOVE (2) LOWER POLYPAK ROTATING INNER SEALSFROM BOTH THE UPPER AND LOWER STATORS
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45
DISCARD (4) OLD/USED POLYPAK ROTATINGINNER SEALS
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46 CAREFULLY REMOVE (2) OUTER PISTON SEALS
AND DISCARD
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47
REMOVE AND DISCARD (2) INNERPISTON SEALS
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48
ACTUATOR COMPLETELY DISASSEMBLIED ANDLAY OUT ON TABLE READY FOR REASSEMBLY
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49
INSTALLATION OF POLYPAK ROTATING SEALS INUPPER AND LOWER STATORS
INSTALL FRONT OF SEAL IN BOTTOM AREA OF UPPERAND LOWER STATORS AND WORK SEAL CLOSE TO YOUINTO THE UPPER GROOVE
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50
PULL SEAL INTO UPPER GROOVE AND WORK THE SEALINTO UPPER GROOVE AROUND THE ROTOR
INSTALL POLYPAK ROTATING SEAL INTO LOWERGROOVE OF BOTH UPPER AND LOWER STATORS
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51
GREASE ROTATING SEAL AREA OF UPPER ANDLOWER ROTORS
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52
PLACE UPPER BEARING RETAINER RINGINSIDE BOTTOM AREA OF UPPER ROTOR
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53 INSTALL BALL BEARING IN UPPER ROTOR
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54
USING A PLASTIC MALLET, TAP BALLBEARING INTO PLACE
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55 USING HANDS, INSTALL RETAINING RING
INTO GROOVE
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56 LOWER UPPER STATOR DOWN ONTO
UPPER ROTOR
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57 INSTALL (8) HEX HEAD CAP SCREWS
AND TIGHTEN
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58 TIGHTEN (8) HEX HEAD BOLTS
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59 PLACE LOWER BEARING RETAINER RING INTO
BOTTOM OF LOWER ROTOR
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60
PLACE AND INSTALL BALL BEARING INTO LOWERROTOR
USING A PLASTIC MALLET, TAP BALL BEARINGINTO PLACE
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61
USING HANDS INSTALL RETAINING RING INTOLOWER ROTOR
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62 PLACE LOWER STATOR OVER LOWER ROTOR
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63
INSTALL (8) TAB WASHERS AND (8) HEX HEADSCREW AND TIGHTEN
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64
USING A SMALL METAL CHISEL, BEND WASHERTABS INTO A LOCK POSITION AROUND
HEX HEAD SCREWS
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65 INSTALL OUTER PISTON SEALS
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66 INSTALL INNER PISTON SEALS
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67 NOTE LOCATION OF LOCATING SLOT
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68
PLACE PISTON ONTO LOWER STATOR AND ROTORASSEMBLY
NOTE: PISTON LINK MUST BE POINTING AWAY FROMLOCATING PIN AS SHOWN IN PICTURE
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69 INSTALL (4) TIE RODS AND TIGHTEN
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70 (4) TIE RODS INSTALLED
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71 INSTALL (4) CRANK ARMS
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72
(4) CRANK ARMS INSTALLED
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73 GREASE OUTSIDE OF INNER CYLINDER PRIOR
TO INSTALLATION
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74 LOWER INNER CYLINDER INTO LOWER ROTOR
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75 NOTE: INNER CYLINDER LOCATING PIN AT BOTTOM I.D.
OF CYLINDER AND THE LOCATING GROOVE IN ROTOR
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76
USING A PLASTIC MALLET, TAP INNER CYLINDER INTOPOSITION
WATCH TO MAKE CERTAIN LOCATING PIN ON BOTTOMOF INNER CYLINDER LINES UP WITH LOCATINGGROOVE IN ROTOR
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77 GREASE I.D. OF OUTER CYLINDER
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78
LOWER OUTER CYLINDER DOWN ONTO LOWER ROTOR
NOTE: MAKE CERTAIN TO LINE UP THE LOCATINGNOTCH IN THE OUTER CYLINDER WITH THE LOCATINGPIN ON THE LOWER ROTOR, SEE PICTURE
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79
ONCE AGAIN: MAKE CERTAIN LOCATING NOTCHAND PIN ARE LINED UP CORRECTLY AS OUTER
CYLINDER IS LOWERED INTO PLACE
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80
USING A PLASTIC MALLET TAP OUTERCYLINDER IN PLACE
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81 INSTALL (2) LOCATING PINS AND TIGHTEN
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82 INSTALL 2ND LOCATING PIN
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83
PREPARE FOR ISTALLATION OF (2) CRANK SHAFTS
NOTE LOCATION OF THE (2) KEYS IN THE SHAFTSPRIOR TO INSTALLATION
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84
PRIOR TO INSTALLING CRANK SHAFTS USE FINGERTO POSITION CRANK ARMS PRIOR TO THE
INSTALLION OF THE CRANK SHAFT
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85
INSTALL (2) CRANK SHAFT
NOTE: POSITION OF INDICATING NOTCH ON CRANKSHAFT MUST BE IN THE UP POSITION
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86 BOTH CRANK SHAFTS INSTALLED
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87
INSTALL (2) CRANK RETAINER, (4) CRANKLOCKWASHERS, (4) CRANK RETAINER
LOCKNUTS AND TIGHTEN
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88
LOWER UPPER ROTOR ASSEMBLY DOWN ONTO (4) TIEROD BOLTS
NOTE: PLACE (4) TIE ROD HEX NUTS LAYING LOOSE INTHE (4) MILLED SLOT AREAS IN ROTOR PRIOR TOLOWERING ROTOR INTO PLACE
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89
NOTE: MAKE CERTAIN TO LINE UP THELOCATING NOTCH AND LOCATING PIN
BEFORE TAPPING INTO PLACE
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90
NOW CAREFULLY START THE (4) TIE ROD HEXNUTS AND TIGHTEN EVENLY
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91 A FULLY ASSEMBLIED UNIT
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92
PRIOR TO MOUNTING ONTO A KELLY GUARD
PLACE (2) MOUNTING SLEEVE HALVES TOGETHERWITH THE RETAINING GROOVE UP
INSTALL RETAINING RING
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93
PRIOR TO PLACING ACTUATOR OVER THE MOUNTINGSLEEVES AND KELLY GUARD USE (2) ALLEN WRENCHS
TO ROTATE THE CRANKS IN THE POSITION SHOWN
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94
IF FURTHER INFORM A TION ISNEEDED REGARDING THE
HYDRIL ACTUATOR,
CONTACT HYDRIL COMPA N Y , HTC,
HOUSTON, TEX A SPHONE # 1-281-449-2000SA L ES AND MARKETINGFA X # 1-281-985-8665
OR CONTACT THELOC A L H YDRIL SA L ES AND SERV ICE. CENTER IN YOUR AREA
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