Heavy Duty Balanced Opposed Compressors - Ariel Corporation

FOR MODELS: JGZ AND JGU SECTION 1 - DESIGN SPECIFICATIONS & DATA
TABLE 1-9 PISTON, PISTON RING & WEARBAND CLEARANCES - NON-PRC, IN.
PISTON TO CYLINDER
CLEARANCE
PISTON RING END GAPS -
FILLED TEFLON a
BORE CLEARANCE NEW MAXIMUM
14.25 0.126 to 0.137 0.171 to 0.195 0.585 0.456 0.606 0.042 to 0.052
15.375 0.127 to 0.138 0.154 to 0.185 0.555 0.492 0.654 0.038 to 0.050
15.875 0.127 to 0.138 0.159 to 0.191 0.573 0.508 0.675 0.038 to 0.050
17.375 0.179 to 0.191 0.174 to 0.209 0.627 0.556 0.740 0.044 to 0.057
17.875 0.181 to 0.193 0.179 to 0.215 0.645 0.572 0.761 0.044 to 0.057
19.625 0.187 to 0.199 0.236 to 0.268 0.804 0.628 0.835 0.050 to 0.063
20.125 0.185 to 0.197 0.242 to 0.274 0.822 0.644 0.857 0.050 to 0.063
22 0.213 to 0.225 0.264 to 0.304 0.912 0.704 0.936 0.059 to 0.072
24.125 0.214 to 0.226 0.290 to 0.330 0.990 0.772 1.027 0.056 to 0.069
26.5 0.226 to 0.238 0.320 to 0.360 1.080 0.848 1.128 0.058 to 0.071
a. For PEEK piston ring end gap values, multiply the table values by 0.3.
45°
End Gap
FIGURE 1-9 WEAR BAND CUT ANGLES
WEAR BANDS NEW
MINIMUM END
GAP
45° 70°
RADIAL
PROJECTION
PAGE 1 - 16 7/09
70°
End Gap