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Heavy Duty Balanced Opposed Compressors - Ariel Corporation

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FOR MODELS: JGZ AND JGU SECTION 7 - APPENDICES<br />

Puller-Nut<br />

NOTES:<br />

1. Thread Size = 1-3/4 in. - 5 TPI.<br />

2. Hydraulic Area of the Tool = 8.84 In.<br />

Load Cell<br />

Quick Hydraulic Connection<br />

CEJN Series 116 - 1500 bar. Separately<br />

Purchased Hand Pump<br />

Kit (G-15282) is Recommended.<br />

Socket Ring<br />

Hold-Down Nut<br />

2-3/4 in. Across Flats<br />

2 (5700 mm2 15/16 in.<br />

Hex Spring<br />

).<br />

3. Minimum Stud to Puller-Nut Thread Engagement =<br />

1.75 in. (44 mm).<br />

4. Approximate Weight = 25 lb (11 kg).<br />

5. Furnished with Spring Return.<br />

6. Hydraulic Pressure Required = 11,900 psi (820<br />

bar), for a 1-3/4 in. – 5 TPI Stud to Provide 55,000 psi<br />

(380 MPa) Stress in the Stud for a 100,000 psi (690<br />

MPa) Ultimate Strength Stud Material, with a Stud<br />

Joint Length to Stud Diameter L/D = 11 or greater.<br />

THE REQUIRED PRESSURE VALUE MUST BE RE-<br />

CALCULATED WHEN USING OTHER PARAMETERS.<br />

7. Put the socket ring on the hold-down nut and<br />

Bridge<br />

install the load cell with the attached bridge. Thread<br />

the puller-nut on to the stud. Turn tool down tight<br />

Washer<br />

against the frame foot using a wrench on the 15/16<br />

in. hex to tighten. Pressurize the tensioner to the<br />

Hold-Down Stud<br />

Pin Wrench<br />

required value. Use the pin wrench provided with<br />

the tensioner and the radial holes in the socket ring<br />

to tighten the hold-down nut, hand tight. De-pressurize<br />

and remove all of the tool components.<br />

FIGURE 7-13 HYDRAULIC STUD TENSIONER TOOL - FRAME HOLD-DOWN FOOT<br />

BOLTING (G-12860) - TYPICAL<br />

FIGURE 7-14 HAND PUMP FOR HYDRAULIC STUD TENSIONER TOOL (G-15280)<br />

Minimum Hand & Commercial Tools Required<br />

The following standard tools are normally all that is required to work on large frame <strong>Ariel</strong><br />

reciprocating compressors. These tools are in addition to the <strong>Ariel</strong> furnished and purchased<br />

separately tools listed above. Acquiring high-quality tools and user-friendly, secure tool stor-<br />

PAGE 7 - 8 7/09

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