3.1.1 General Instructions
1. Do not disassemble the tool unless until required to replace or repair damaged parts.
2. Take precautionary measure while handling surfaces that will contain hydraulic oil under pressure.
1. Do not disassemble the tool unless until required to replace or repair damaged parts.
2. Take precautionary measure while handling surfaces that will contain hydraulic oil under pressure.
3. Hold a wrench in a leather–covered or copper–covered vise jaws to protect the surface of the part and help prevent distortion.
This is particularly for the threaded part and housings.
4. Do not remove any part that is a press fit in or on an assembly unless the removal of that part is necessary for repairs or replacement.
5. Do not disassemble the hydraulic cylinder assembly unless you are in a position of complete set of seals and O-rings for replacement.
6. Use only Standard size tools when disassembling these Hydraulic Torque Wrenches.
3.1.2 Steps for Disassembly of the Wrench
1. Remove the Link Pin out of the Housing and Side Plates (L and R).
2. Lift the Housing from between the Side Plates and separate the two units.
3.1.3 Step for Disassembly of the PXD-2, PXD-4 and PXD-8 Cylinder Assemblies
1. Hold the Housing in copper-covered or leather covered vise jaws with the inlet end upward and using a Allen Key, unscrew and
remove the two Swivel Inlets with their attached Couplers.
2. Remove the Housing Assembly from the vise jaws; collect the oil in container by moving the Piston Rod back and forth several
times to purge the hydraulic oil from the Housing.
3. Hold the Housing in copper-covered or leather covered vise jaws with the inlet end upward.
4. Press the piston end of the Piston Rod forward in the Housing until the Slider Pin aligns with the cross holes in the Housing.
5. Using a small drift, tap the Slider Pin out of the Sliders and position shaft and remove the two Sliders.
6. Remove end cap using End cap wrench along with End cap O-ring.
7. Push the piston out of the Housing.
8. Replace Rod Seal by using a hooked tool to pull it out of the Housing.
3.1.4 Step for Disassembly of the PXD-16, PXD-32 and PXD-45 Cylinder Assemblies
1. Hold the Housing in copper-covered or leather covered vise jaws with the inlet end upward and using a 1/4” hex wrench, unscrew
and remove the two Swivel Inlets with their attached Couplers.
2. Remove the housing assembly from the vise jaws and over a container to collect the oil, move the Piston Rod Assembly back and
forth several times to purge the hydraulic oil from the Housing.
3. Hold the Housing in copper-covered or leather covered vise jaws with the inlet end upward.
4. Insert the pins of the End Plug Wrench into the holes of the End Cap. Using a wrench on the hex of the End Plug Wrench, unscrew
and remove the End Cap with the End Plug Seal.
5. Push the Piston Rod far enough into the Housing to expose the hex on the piston head.
3.1 DISASSEMBLY OF WRENCH:
17
PXD Series Operation Manual
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