Atlas Copco XAS 185 JD7 - Technical Specifications; Shutdown Switches and Safety Valve Settings; Compressor and Engine Technical Specifications

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7 Technical Specifications
7.1 Settings of Shutdown Switches and Safety Valve
Compressor XAS185 JD
Temperature safety switch trip point............................................................ °F/(°C) 248/(120)
Safety valve effective opening pressure.................................................. psig/(bar) 150/(10.3)
(check stamping on valve)
Engine
Low oil pressure safety switch trip point .................................................. psig/(bar) 12/(.8)
Temperature safety switch trip point............................................................ °F/(°C) 239/(115)
7.2 Compressor/Engine Specifications
Compressor
Maximum effective pressure.................................................................... psig/(bar) 123/(8.5)
Normal effective working pressure ..........................................................psig/(bar) 100/(7.0)
Minimum effective working pressure ....................................................... psig/(bar) 58/(4.0)
Typical oil content of the compressed air .....................................................mg/m
3
<5
Free air delivery at working pressure,.........................................................cfm/(l/s) 185/(87)
maximum loading speed and referance conditions 1,2).
1) Referance conditions as specified are measured at the air inlet grating outside the canopy:
-Air intake pressure (absolute) 1 bar (14.5 psi)
-Air intake temperature 20°C (68°F)
-Relative air humidity 0%
2) Free air delivery is measured according to ISO 1217 ed. 3 1996 annex D which corresponds to American ANSI
PTC9.
With a tolerance of :+/- 5% 25 l/s<FAD<250 l/s
Engine XAS 185 JD
Make .................................................................................................................................. John Deere
Model .................................................................................................................................. 4024T
Type .................................................................................................................................. 4CYL./Turbo
Maximum operating speed (compressor loaded) rpm .................................................. 2750±20
Minimum operating speed (compressor unloaded) rpm .................................................. 1600±20
Fuel consumption (at full load) ........................................................................................... 3 gal/hr
Fuel consumption (at unload) ........................................................................................... 1 gal/hr
Capacities
Compressor oil system ............................................................................................gal/(l) 2/(7.4)
Engine lube oil system with filter...................................................................................gal/(l) 2/(7.4)
Fuel tank ....................................................................................................................gal/(l) 25/(94)
Engine cooling system …....……………………….gal/(l).......................................... 2.5/(9.2)