Heavy Duty Balanced Opposed Compressors - Ariel Corporation
Heavy Duty Balanced Opposed Compressors - Ariel Corporation
Heavy Duty Balanced Opposed Compressors - Ariel Corporation
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Appendix A <strong>Ariel</strong> Fasteners and Torques For Models: JGH:E:K:T<br />
TABLE A-3 JGH:E:K:T Fastener Torques<br />
Fastener<br />
Nominal Size<br />
Inch - TPI<br />
PAGE A-4 3/11<br />
Type<br />
Torque<br />
LB x FT (N·m), unless<br />
specified<br />
Main Bearing Cap - Cap Screw 7/8 - 9 12 Point - Grade 8 280 (380)<br />
Connecting Rod Cap - Cap Screw<br />
Note: Use <strong>Ariel</strong> turn indicator, B-1495.<br />
7/8 - 14<br />
1” - 14<br />
12 Point - Grade 8<br />
80 (108) + 90°<br />
90 (122) + 90°<br />
Torsional Vibration Detuner - Cap Screw 1” - 14 12 Point - Grade 8 530 (715)<br />
Flywheel - Cap Screw 1” - 14 Hex - Grade 8 530 (715)<br />
Nut Plate to Crankshaft Flange - JGE:K:T/6 1/2 - 20 12 Point - Grade 8 46 (62)<br />
Crosshead Pin Thru Cap Screw - Lock Nut 1/2 - 20 Hex - Prevailing 61 (83)<br />
Spacer Bar - Cap Screw 1-1/8 - 12 12 Point - Grade 8 560 (760)<br />
Crosshead Guide to Frame - Cap Screw 7/8 - 9 12 Point - Grade 8 280 (380)<br />
Crosshead Guide to Cylinder - Cap Screw<br />
5/8 -11<br />
7/8 - 9<br />
12 Point - Grade 8<br />
97 (132)<br />
280 (380)<br />
7/8 - 14 Hex 315 (425)<br />
Crosshead Guide to Support - Cap Screw<br />
7/8 - 9<br />
1” - 8<br />
Hex - Grade 8 or 9<br />
255 (346)<br />
380 (515)<br />
1/2 - 13<br />
44 (60)<br />
Head End Cylinder Support to Cylinder<br />
5/8 - 11<br />
3/4 - 10<br />
Hex - Grade 8<br />
88 (120)<br />
160 (215)<br />
7/8 - 9 255 (345)<br />
Eccentric Vernier Cap - Cap Screw 5/16 - 18 Hex - Grade 8 Hand Wrench Tight<br />
Idler Sprocket Thru Cap Screw - Lock Nut 1/2 - 20 Hex - Prevailing 41 (55)<br />
External Thrust Bearing Adapter to Crankshaft<br />
- Cap Screw<br />
1/2 - 20 12 Point - Grade 8 66 (90)<br />
3/4 - 10<br />
125 (170)<br />
Rod Packing - Cap Screw<br />
3/4 - 16<br />
12 Point<br />
Grade 8 or 17-4PH<br />
145 (195)<br />
7/8 - 14 230 (310)<br />
Rod Catcher to Packing 1/2 - 20<br />
12 Point<br />
Grade 8 or 17-4PH<br />
51 (69)<br />
Piston Nut 1-5/8 - 12 <strong>Ariel</strong> Design 1590 (2155) a<br />
Crosshead Balance Nut 1-3/4 - 12 <strong>Ariel</strong> Design 1500 (2030) b<br />
Force Feed Lube Box - Bearing Housing 1-3/8 - LH Bearing Housing 70 (95)<br />
Force Feed Lube Box - Jam Nut<br />
1” - 14<br />
1-1/2 - 12<br />
Hex<br />
75 (102)<br />
112 (152)<br />
Roller Thrust Bearing Retainer Clamp - Cap<br />
Screw<br />
3/4 -16 <strong>Ariel</strong> Design 160 (220)<br />
Rupture Disk - Blow-Out Fitting Cap 1/4 Nom. Tube Hex - Tube Fitting 40 lb x in. (4.5)<br />
Flywheel to Hub<br />
1” - 8<br />
1” - 14<br />
Hex - Grade 9<br />
Hex - Grade 9<br />
460 (620)<br />
530 (715)<br />
Piston Rod Oil Slinger - Lock Nut 1/4-28 Hex - Jam 95 lb x in. (11)
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