Aztech Systems 16, 4, 8, 32, TX 2 manual General Instructions, Disassembly of the Tool

		Maintenance Section
				NOTICE
	WARNING
			The purpose of the Seal Insertion Tool in the
Always turn off the power supply, bleed off hydraulic			following step is to prevent the End Plug Seal from
fluid from the hose connections on the cylinder			expanding into the Retaining Ring groove. If the
assembly and disconnect the hoses before attempting			Tool is not used, place two thin pieces of flat stock at
to repair or perform maintenance on this tool.			the midpoint of the opening against opposite walls to
Always wear eye protection when operating or			control the Seal expansion.
performing maintenance on this tool.
			7. Thread one of the Swivel Inlets or a threaded pipe
	DISASSEMBLY		with a tee into the End Cap (7). Use the Inlet or tee as
			a handle to pull the End Cap and End Plug Seal (15)
General Instructions			out of the Housing through the Seal Insertion Tool.
			8. Push the Piston Rod toward the inlet end of the
1. Do not disassemble the tool any further than necessary
			Housing and using a hex wrench, unscrew and remove
to replace or repair damaged parts.
			the two Retaining Screws (11).
2. Use extra care not to score, nick or damage surfaces
			9. Insert a hooked tool through each screw hole in the
that will contain hydraulic oil under pressure.
			Piston Seal Plate (4) and work the Plate upward out of
3. Whenever grasping a tool in a vise, always use
			the Housing.
leather–covered or copper–covered vise jaws to
			10. Using an o-ring pick, pull the Seal Ring (5) and
protect the surface of the part and help prevent
			Piston O-ring (17) off of the Piston Rod.
distortion. This is particularly true of threaded
			11. Push the piston end of the Piston Rod forward in the
members and housings.
			Housing until the Slider Pin (14) aligns with the
4. Do not remove any part that is a press fit in or on an
			cross holes in the Housing.
assembly unless the removal of that part is necessary
			12. Using a small drift, tap the Slider Pin out of the
for repairs or replacement.
			Sliders (5) and position shaft and remove the two
5. Do not disassemble the hydraulic cylinder assembly
			Sliders.
unless you have a complete set of seals and o–rings for
			13. Push the piston out of the Housing.
replacement.
			14. If the Rod Seal (16) needs replacement, use a
6. Use only British Standard fractional size tools when
			hooked tool to pull it out of the Housing.
disassembling these tools.
Disassembly of the Tool			Disassembly of the TX-16 and TX-32 Cylinder
			Assemblies
1. Push the Link Pin (9) out of the Housing (1) and Side			1. Grasp the Housing (1) in copper-covered or leather-
Plates (1 & 2).			covered vise jaws with the inlet end upward and using
2. Lift the Housing from between the Side Plats and			a ¾” wrench, unscrew and remove the two Swivel
separate the two units.			Inlets (18) with their attached Couplers (19).
			2. Remove the housing assembly from the vise jaws and
Disassembly of the TX-2, TX-4, and TX-8 Cylinder			over a container to catch the oil, move the Piston Rod
Assemblies			Assembly (2 & 3) back and forth several times to
1. Grasp the Housing (1) in copper-covered or leather-			purge the hydraulic oil from the Housing.
covered vise jaws with the inlet end upward and using			3. Grasp the Housing in copper-covered or leather-
a ¾” wrench, unscrew and remove the two Swivel			covered vise jaws with the inlet end upward.
Inlets (18) with their attached Couplers (19).			4. Insert the pins of the End Plug Wrench (21) into the
2. Remove the Housing Assembly from the vise jaws and			holes of the End Cap (7). Using a wrench on the hex
over a container to catch the oil, move the Piston Rod			of the End Plug Wrench, unscrew and remove the End
(2) back and forth several times to purge the hydraulic			Cap with the End Plug Seal (15).
oil from the Housing.			5. Push the Piston Rod far enough into the Housing to
3. Grasp the Housing in copper-covered or leather-			expose the hex on the piston head.
covered vise jaws with the inlet end upward.
4. For TX-2 and TX-4 models, use a hex wrench to				NOTICE
unscrew and remove the End Cover Screw (12).
			During removal and after the piston shaft is removed,
Remove the End Cover (14).
			DO NOT grasp the round portion of the shaft with any
5. Push the End Cap (7) inward approximately ½” and
			holding device that will damage the surface. Any nicks
remove the two Retaining Rings (8) by working them
			or scratches to the surface will allow hydraulic oil to
out of the groove in the Cylinder.
			leak from the Cylinder when the tool is reassembled.
6. Install the Seal Insertion Tool (20) on the inlet end of
the Housing.			6. Sprag the flat end of the piston shaft against rotation
			and using a socket on the hex of the piston head,

- 10 -