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Manafacture: Armstrong World Industries File size: 2.11 mb File name: Language of manual:

The following should occur: Page 19 • After about six seconds, the switch should transfer loads back to the utility power source. • About one minute after retransfer, the engine should shut down. Check the installation and application data charts for any additional information. AR-EXP-CUMMINS-07-00 OWNERS MANUAL ACUM65 ACUM65 INSTALLATION AND APPLICATION Item Units Type of Operation and Application 60 Hz 50 Hz Prime Standby Prime Standby Engine Rated Speed rpm 1800 1500 Gross Engine Output bhp (kWm) 90 (67) 99 (74) 77 (58) 85 (64) BMEP psi (kPa) 165 (1137) 182 (1255) 169 (1165) 187 (1289) Mean Piston Speed Ft/s (m/s) 23.6 (7.2) 19.66 (6.0) Cooling System Ambient Air Temperature °F (°C) 122 (50) Engine Heat Reject to Coolant BTU/min (kW) 2035 (35.8) 2240 (39.3) 1750 (30.8) 1995 (35.0) Coolant Capacity Gal (L) 1.9 (7.2) Standard Thermostat Range °F (°C) 180-203 (82-95) Maximum Pressure Cap Psi (kpa) 10 (69) Maximum coolant friction Psi (kpa) 5 (35) 4 (28) Fuel System Total drain flow gal/h (L/h) 8 (30) Fuel Type Diesel #2 Fuel Consumption @ 25% Power gal/hr (L/hr) 1.08 1.19 0.94 1.04 Fuel Consumption @ 50% Power gal/hr (L/hr) 2.15 2.37 1.89 2.08 Fuel Consumption @ 75% Power gal/hr (L/hr) 3.23 3.56 2.83 3.12 Fuel Consumption @ 100% Power gal/hr (L/hr) 4.31 4.74 3.77 4.17 Air Requirement Combustion Air Flow ft3/min (L/s) 194 (92) 197 (93) 141 (66) 145 (68) Air Intake Restriction clean filter In.H2O (kPa) 10(2.49) Air Intake Restriction dirty filter In.H2O (kPa) 25 (6.22) Exhaust Temperature °F (°C) 886 (475) 934 (501) 974 (523) 1035 (557) Maximun Allowable Back Pressure In.H2O (kPa) 3 (10.13) Lubrication System Maximum oil temperature °F (°C) 250 (121) Oil Pan Capacity gal (L) 2.5 (9.5) Total Engine Oil Cap. w/filter gal (L) 2.88 (10.9) Oil Filter Type Cartridge Lube oil specifications grade SAE 15W - 40 Engine Electricals Battery Charging Alternator Volts, Ground 12V, negative Baterry Charging Alternator Rated amps 45 Recommended Battery Cold Crank CCA amps 600 Starter Motor Volts, Ground 12V, negative Operation Temperature and Altidtude Losses % 4% per 1000 ft (300 m) and 1% per 10°F (2% per 11°C) AR-EXP-CUMMINS-07-00 OWNERS MANUAL ACUM84 ACUM84 INSTALLATION AND APPLICATION Item Units Type of Operation and Application 60 Hz 50 Hz Prime Standby Prime Standby Engine Rated Speed rpm 1800 1500 Gross Engine Output bhp (kWm) 130 (97) 145 (108) 117 (87) 130 (97) BMEP psi (kPa) 239 (1648) 266 (1838) 215 (1483) 239 (1648) Mean Piston Speed Ft/s (m/s) 23.6 (7.2) 19.66 (6.0) Cooling System Ambient Air Temperature °F (°C) 122 (50) Engine Heat Reject to Coolant BTU/min (kW) 2633 (46.3) 2973 (52.2) 2141 (37.6) 2423 (42.6) Coolant Capacity Gal (L) 2.1 (7.9) Standard Thermostat Range °F (°C) 180-203 (82-95) Maximum Pressure Cap Psi (kpa) 10 (69) Maximum coolant friction Psi (kpa) 5 (35) 4 (28) Fuel System Total drain flow gal/h (L/h) 8 (30) Fuel Type Diesel #2 Fuel Consumption @ 25% Power gal/hr (L/hr) 1.44 1.60 1.19 1.33 Fuel Consumption @ 50% Power gal/hr (L/hr) 2.88 3.20 2.38 2.65 Fuel Consumption @ 75% Power gal/hr (L/hr) 4.31 4.79 3.58 3.98 Fuel Consumption @ 100% Power gal/hr (L/hr) 5.75 6.39 4.77 5.31 Air Requirement Combustion Air Flow ft3/min (L/s) 247 (117) 261 (123) 169 (80) 181 (85) Air Intake Restriction clean filter In.H2O (kPa) 10(2.49) Air Intake Restriction dirty filter In.H2O (kPa) 25 (6.22) Exhaust Temperature °F (°C) 889 (476) 919 (501) 1045 (563) 1053 (567) Maximun Allowable Back Pressure In.H2O (kPa) 3 (10.13) Lubrication System Maximum oil temperature °F (°C) 250 (121) Oil Pan Capacity gal (L) 2.5 (9.5) Total Engine Oil Cap. w/filter gal (L) 2.88 (10.9) Oil Filter Type Cartridge Lube oil specifications grade SAE 15W - 40 Engine Electricals Battery Charging Alternator Volts, Ground 12V, negative Baterry Charging Alternator Rated amps 45 Recommended Battery Cold Crank CCA amps 650 Starter Motor Volts, Ground 12V, negative Operation Temperature and Altidtude Losses % 4% per 1000 ft (300 m) and 1% per 10°F (2% per 11°C) AR-EXP-CUMMINS-07-00 OWNERS MANUAL ACUM110 ACUM110 INSTALLATION AND APPLICATION Item Units Type of Operation and Application 60 Hz 50 Hz Prime Standby Prime Standby Engine Rated Speed rpm 1800 1500 Gross Engine Output bhp (kWm) 155 (115) 170 (127) 130 (97) 143 (107) BMEP psi (kPa) 189 (1308) 208 (1435) 159 (1097) 175 (1207) Mean Piston Speed Ft/s (m/s) 23.6 (7.2) 19.66 (6.0) Cooling System Ambient Air Temperature °F (°C) 122 (50) Engine Heat Reject to Coolant BTU/min (kW) 3640 (64) 3950 (69) 3080 (54) 3450 (61) Coolant Capacity Gal (L) 2.4 (9.1) Standard Thermostat Range °F (°C) 180-203 (82-95) Maximum Pressure Cap Psi (kpa) 10 (69) Maximum coolant friction Psi (kpa) 5 (35) 4(28) Fuel System Total drain flow gal/h (L/h) 8 (30) Fuel Type Diesel #2 Fuel Consumption @ 25% Power gal/hr (L/hr) 1.88 2.06 1.57 1.73 Fuel Consumption @ 50% Power gal/hr (L/hr) 3.75 4.12 3.15 3.46 Fuel Consumption @ 75% Power gal/hr (L/hr) 5.63 6.18 4.72 5.20 Fuel Consumption @ 100% Power gal/hr (L/hr) 7.51 8.24 6.30 ...

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