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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For Models: JGH:E:K:T<br />
Appendix B - Clearances<br />
TABLE B-1 JGH:E:K:T Main Component Clearances, in. (mm)<br />
Description Clearance<br />
Crankshaft Dust Seal JGH:E:K:T/2/4 0.008 - 0.010 (0.20 - 0.25)<br />
Crankshaft Dust Seal JGE:K:T/6 0.010 - 0.018 (0.25 - 0.46)<br />
Crankshaft Thrust JGH:E:K:T/2/4 0.0085 - 0.0200 (0.216 - 0.508)<br />
Crankshaft Thrust JGE:K:T/6 0.014 - 0.033 (0.356 - 0.838)<br />
Crankshaft Journal Bearing Jack 0.0015 - 0.0050 (0.038 - 0.127)<br />
Connecting Rod Bearing Jack a<br />
0.0035 - 0.0070 (0.089 - 0.178)<br />
Connecting Rod Thrust 0.007 - 0.018 (0.178 - 0.457)<br />
Connecting Rod Bushing to Crosshead Pin 0.002 - 0.004 (0.05 - 0.10)<br />
Crosshead (Ductile and ADI Iron) Bronze Bushing to Crosshead Pin 0.0020 - 0.0042 (0.05 - 0.11)<br />
Crosshead (Gray Iron) to Crosshead Pin (JGH) 0.0020 - 0.0035 (0.05 - 0.09)<br />
Crosshead (Bronze) to Crosshead Pin 0.0020 - 0.0035 (0.05 - 0.09)<br />
Crosshead to Guide - Babbitted Gray and Ductile Iron 0.007 - 0.012 (0.18 - 0.30)<br />
Crosshead to Guide - Babbitted ADI Iron 0.009 - 0.014 (0.23 - 0.36)<br />
Crosshead to Guide - Babbitted Bronze 0.011 - 0.016 (0.28 - 0.41)<br />
a. For compressors and/or connecting rod replacement bearing shells supplied after 2/1/97.<br />
TABLE B-2 Piston End Clearances a , in. (mm)<br />
Cylinder Class Crank End Head End Total b<br />
22-1/2 E:ET:H 0.050 (1.3) 0.070 - 0.130 (1.8 - 3.3) 0.120 - 0.180 (3.0 - 4.6)<br />
All Other E:ET:H Cylinders 0.040 (1.0) 0.050 - 0.110 (1.3 - 2.8) 0.090 - 0.150 (2.3 - 3.8)<br />
17-7/8, 20-1/8, 22, 24-1/8,<br />
and 26-1/2 K:T<br />
0.055 (1.4) 0.095 - 0.155 (2.4 - 3.9) 0.150 - 0.210 (3.8 - 5.3)<br />
5-3/8 K:T Tandem 0.040 (1.0) 0.060 - 0.160 (1.5 - 4.1) 0.100 - 0.200 (2.5 - 5.1)<br />
All KL:TL Cylinders 0.300 (7.6) No Set 0.620 - 0.680 (15.7 - 17.3)<br />
All KM:TM Cylinders<br />
All Other K:T Cylinders<br />
0.040 (1.0) 0.080 - 0.140 (2.0 - 3.6) 0.120 - 0.180 (3.0 - 4.6)<br />
a. Measured clearances may not agree because of oil films, assembly tolerances, wear, etc. Do not use plastigages, solder, etc.<br />
b. If total piston end clearance is not within table tolerance, contact your Packager or <strong>Ariel</strong>.<br />
3/11 PAGE B-1
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