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3A0538F 3
Models
Your model number is marked on the pump identification plate located toward the rear of the air motor. To determine
the model number of your pump from the following matrix, select the six digits which describe your pump. The first
digit is always J for circulation pumps. The remaining five digits define the construction. For example, a circulation
pump with stainless steel construction, a 3.3:1 ratio, low noise exhaust, no DataTrak option, npt fittings, and Chro-
mex rod and chrome cylinder is model number JS33L1. To order replacement parts, see page 18.
Related Manuals
JS 33 L 1
First
Digit
Second
Digit Third and Fourth Digit Fifth Digit Sixth Digit
Material
Ratio
Code ‡
Motor
Size
Lower
Size
Maximum
Fluid Pressure
psi (MPa, bar) Exhaust DataTrak
™
Fittings Rod Cylinder
J
(all
circulation
pumps)
C
(carbon
steel)
17
3400 4000 170 (1.2, 12.0) L Low
Noise
No 1 npt
Chromex
™
Chrome
S
(stainless
steel)
20
2200 2000 200 (1.4, 14.0) M Low
Noise
Yes 2 npt Chromex
MaxLife
®
23
3400 3000 230 (1.6, 16.0) R Remote No 5 tri-clamp Chromex Chrome
30
2200 1500 300 (2.1, 21.0) S Remote Yes 6 tri-clamp Chromex MaxLife
33
6500 4000 330 (2.3, 23.0)
35
3400 2000 350 (2.4, 24.0)
40
2200 1000 400 (2.8, 28.0)
44
6500 3000 440 (3.0, 30.0)
45
3400 1500 450 (3.1, 31.0)
‡ Ratio Code XX = X.X:1 ratio
Part No. Description
311238 NXT Air Motor manual
3A0539 4-Ball Lower manual (1000cc, 1500cc, and
2000cc)
3A0540 4-Ball Lower manual (3000cc and 4000cc)