User manual HUSKY 521-0
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Manual abstract: user guide HUSKY 521-0
Detailed instructions for use are in the User's Guide.
[. . . ] Gently tap the valve stem removal tool ensuring contact with the stem (item 45) at all times until the stem is tapped free from the sprue body. Loosen the two sprue body retainer tab SHCS (item 10) from the air plate (item 39). Loosen the cylinder SHCS (item 11) securing the cylinder (item 34) to the air plate (item 39). Pull the valve stem slider (item 28) and piston rods (item 41) out of the sprue body (item 27). [. . . ] Place the air plate in a vise (Figure 5) with the arrow facing down (i. e. Insert the nozzle housing threads down into the plate (Figure 6).
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NOTE: The housing flats will engage the air plate slot when fully seated.
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Figure 6 Air Plate
1. Install the Grafoil air seals (Figure 7, item 1) into the air plate (item 2) and M/C reducer (item 3).
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Figure 7 Air Plate
1. Install the sprue body retaining tabs (Figure 8, item 1) into the sprue body. Finger tighten into place.
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NOTE: Older revisions may not have tabs.
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Figure 8 Sprue Body
1. Older Revisions without Tabs
Service Procedure 521-0
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7. Make sure that the Thermocouple (T/ C) hole (item 3) on the sprue body lines up with the air plate T/C groove (item 4, for the T/C wire leads). NOTE: The Piston Rods may need to be moved into alignment with the holes in the insulator to get the insulator to seat against the sprue body.
Figure 9 Sprue Body and Air Plate
1. Install the dowel bushings (Figure 10, item 1) into the sprue body.
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Figure 10 Sprue Body
1. Install the crush rings (Figure 11, item 1) into the sprue body.
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Figure 11 Sprue Body
1. Assemble the stem slider (Figure 12, item 1) and connecting rods (item 2).
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NOTE: The stem slider is assembled flat side down.
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Figure 12 Stem Slider and Connecting Rods
1. Tilt the sprue body 45 ° in vise as shown (Figure 13).
Figure 13 Tilting the Sprue Body
Service Procedure 521-0
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12. Install the valve stem (Figure 14, item 2) into the nozzle housing (item 1) reverse taper side first, until the reverse taper bottoms out on the sprue body and the stem head (item 3) protrudes out of the pocket (item 4).
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Figure 14 Valve Stem and Sprue Body
1. Assemble the stem retainer (Figure 15, item 1) onto the stem head (item 2) and seat it onto the stem slider.
Figure 15 Stem Retainer and Stem Head
1. Apply anti-seize compound to the stem retainer screws (Figure 16, item 2) and torque to 7lb-ft (9. 49 Nm). Make sure the valve stem assembly moves freely.
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Figure 16 Stem Retainer Screws and Valve Stem Assembly
1. Install the extruder pad (Figure 17, item 1) onto the sprue body (item 2). Make sure the assembly bolt holes line up correctly.
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Figure 17 Extruder Pad and Sprue Body
1. Apply anti-seize compound to the extruder pad (Figure 18, item 1) and sprue body SHCS. Rotate the SCVG assembly 180 ° in a vise (Housing up).
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Figure 18 Rotating the SCVG Assembly
1. Lubricate all o-rings with silicon o-ring lubricant.
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Figure 19 Piston O-Rings
1. Install the o-rings (Figure 20, item 1) onto the cylinder insert (item 2). [. . . ] Place/fit the sprue body T/C into the sprue body (Figure 28, item 1) using small electrical pliers. Remove the sprue body T/C (item 2) to facilitate sleeve installation.
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Figure 28 Sprue Body T/C
1. Install the sleeve with the two M4 FHS (Figure 29, item 1 - finger tighten).
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31. Apply Teflon tape to the air fittings (item 2) and install.
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Figure 29 Air Fittings
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