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Heavy Duty Balanced Opposed Compressors - Ariel Corporation

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For Models: JGH:E:K:T Appendix B - Clearances<br />

TABLE B-5 Piston/Piston Ring/Wearband Clearance for K, T, & 22-1/2 E a :ET:H Class Cylinders - in. (mm)<br />

Piston - Cylinder Clearance<br />

10.875 (276)<br />

11 (279)<br />

11 (L&M)<br />

(279)<br />

11.25 (286)<br />

11.375 (289)<br />

11.75 (298)<br />

12 (305)<br />

12.25 (311)<br />

12.375 (314)<br />

12.5 (318)<br />

13.125 (333)<br />

13.625 (346)<br />

14.125 (359)<br />

14.25 362()<br />

14.75 (375)<br />

15.375 (391)<br />

15.875 (403)<br />

17.375 (441)<br />

17.875 (454)<br />

19.625 (498)<br />

20.125 (511)<br />

22 (559)<br />

22.5 (572)<br />

24.125 (613)<br />

26.5 (673)<br />

0.114 - 0.123<br />

(2.90 - 3.12)<br />

0.114 - 0.123<br />

(2.90 - 3.12)<br />

0.090 - 0.098<br />

(2.29 - 2.51)<br />

0.100 - 0.108<br />

(2.54 - 2.74)<br />

0.114 - 0.123<br />

(2.90 - 3.12)<br />

0.100 - 0.108<br />

(2.54 - 2.74)<br />

0.117 - 0.128<br />

(2.97 - 3.24)<br />

0.117 - 0.128<br />

(2.97 - 3.23)<br />

0.100 - 0.108<br />

(2.54 - 2.74)<br />

0.117 - 0.128<br />

(2.97 - 3.24)<br />

0.126 - 0.137<br />

(3.20 - 3.48)<br />

0.127 - 0.138<br />

(3.23 - 3.50)<br />

0.127 - 0.138<br />

(3.23 - 3.50)<br />

0.179 - 0.191<br />

(4.55 - 4.85)<br />

0.181 - 0.193<br />

(4.60 - 4.90)<br />

0.187 - 0.199<br />

(4.75 - 5.05)<br />

0.185 - 0.197<br />

(4.70 - 5.00)<br />

0.213 - 0.225<br />

(5.41 - 5.72)<br />

0.152 - 0.164<br />

(3.86 - 4.17)<br />

0.214 - 0.226<br />

(5.44 - 5.74)<br />

0.226 - 0.238<br />

(5.74 - 6.05)<br />

Piston Ring End Gaps<br />

Filled Teflon b<br />

Bore Clearance New Maximum<br />

0.108 - 0.130<br />

(2.74 - 3.30)<br />

0.110 - 0.132<br />

(2.79 - 3.35)<br />

0.110 - 0.132<br />

(2.79 - 3.35)<br />

0.135 - 0.159<br />

(3.42 - 4.04)<br />

0.114 - 0.137<br />

(2.90 - 3.48)<br />

0.141 - 0.165<br />

(3.58 - 4.19)<br />

0.120 - 0.144<br />

(3.05 - 3.66)<br />

0.123 - 0.147<br />

(3.12 - 3.73)<br />

0.148 - 0.172<br />

(3.76 - 4.37)<br />

0.125 - 0.150<br />

(3.18 - 3.81)<br />

0.131 - 0.158<br />

(3.33 - 4.01)<br />

0.136 - 0.164<br />

(3.45 - 4.17)<br />

0.141 - 0.170<br />

(3.58 - 4.32)<br />

0.171 - 0.195<br />

(4.34 - 4.95)<br />

0.177 - 0.201<br />

(4.50 - 5.11)<br />

0.154 - 0.185<br />

(3.91 - 4.70)<br />

0.159 - 0.191<br />

(4.04 - 4.85)<br />

0.174 - 0.209<br />

(4.42 - 5.31)<br />

0.179 - 0.215<br />

(4.55 - 5.46)<br />

0.236 - 0.268<br />

(5.99 - 6.81)<br />

0.242 - 0.274<br />

(6.15 - 6.96)<br />

0.264 - 0.304<br />

(6.71 - 7.72)<br />

0.270 - 0.310<br />

(6.86 - 7.87)<br />

0.290 - 0.330<br />

(7.36 - 8.38)<br />

0.320 - 0.360<br />

(8.13 - 9.14)<br />

Wear Bands New<br />

Min. End Gap (See Fig. B-1) Radial<br />

Projection<br />

45° 70°<br />

0.393 (9.98) 0.348 (8.84) 0.463 (11.76)<br />

0.396 (10.06) 0.352 (8.94) 0.468 (11.89)<br />

0.396 (10.06) — 0.468 (11.89)<br />

0.477 (12.12) — 0.360 (9.14)<br />

0.411 (10.44) 0.364 (9.25) 0.484 (12.29)<br />

0.495 (12.57) — 0.376 (9.55)<br />

0.432 (10.97) 0.384 (9.75) 0.511 (12.98)<br />

0.441 (11.20) 0.392 (9.96) 0.521 (13.23)<br />

0.516 (12.95) — 0.376 (9.55)<br />

0.450 (11.43) 0.400 (10.16) 0.532 (13.51)<br />

0.474 (12.04) 0.420 (10.67) 0.558 (14.17)<br />

0.490 (12.45) 0.436 (11.07) 0.580 (14.73)<br />

0.508 (12.90) 0.452 (11.48) 0.601 (15.27)<br />

0.585 (14.86) 0.456 (11.58) 0.606 (15.39)<br />

0.603 (15.32) 0.472 (11.99) 0.627 (15.93)<br />

0.555 (14.10) 0.492 (12.50) 0.654 (16.61)<br />

0.573 (14.55) 0.508 (12.90) 0.675 (17.15)<br />

0.627 (15.93) 0.556 (14.12) 0.740 (18.80)<br />

0.645 (16.38) 0.572 (14.53) 0.761 (19.33)<br />

0.804 (20.42) 0.628 (15.95) 0.835 (21.21)<br />

0.822 (20.88) 0.644 (16.36) 0.857 (21.77)<br />

0.912 (23.16) 0.704 (17.88) 0.936 (23.77)<br />

0.930 (23.62) 0.734 (18.64) 0.976 (24.79)<br />

0.990 (25.15) 0.772 (19.61) 1.027 (26.09)<br />

1.080 (27.43) 0.848 (21.54) 1.128 (28.65)<br />

0.039 - 0.049<br />

(0.99 - 1.24)<br />

0.033 - 0.040<br />

(0.84 - 1.02)<br />

0.036 - 0.042<br />

(0.91 - 1.07)<br />

0.039 - 0.049<br />

(0.99 - 1.24)<br />

0.036 - 0.044<br />

(0.91 - 1.07)<br />

0.039 - 0.050<br />

(0.99 - 1.27)<br />

0.036 - 0.042<br />

(0.91 - 1.07)<br />

0.039 - 0.050<br />

(0.99 - 1.27)<br />

0.043 - 0.053<br />

(1.09 - 1.35)<br />

0.042 - 0.052<br />

(1.07 - 1.32)<br />

0.038 - 0.050<br />

(0.97 - 1.27)<br />

0.044 - 0.057<br />

(1.12 - 1.45)<br />

0.050 - 0.063<br />

(1.27 - 1.60)<br />

0.059 - 0.072<br />

(1.50 - 1.83)<br />

0.056 - 0.069<br />

(1.42 - 1.75)<br />

0.058 - 0.071<br />

(1.47 - 1.80)<br />

a. E & H Class Cylinders are out-of-production; use existing E & H cylinders only if they meet application requirements.<br />

Consult your packager and/or <strong>Ariel</strong> when re-applying cylinders.<br />

b. For PEEK piston ring end gap values, multiply table values by 0.3.<br />

3/11 PAGE B-5

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