BENDIX BW2514 User's Manual
Contents
1. 4 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 e rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review COMMENTS BENDIX ENGINEERING USE ONLY Does the compressor installation meet all Bendix Commercial Vehicle Systems requirements YES _ No See BW 121 A BW 110 A and BW 109 A for complete application and installation requirements ACCEPTED YES _ No APPROVED BY Engineer DATE APPROVED BY Manager DATE COMMENTS EXCEPTIONS Page 14 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 rev 12. Bendi Bendix BA 922 Compressor Installation and Application Review Bendix BA 922 Compressor Complete one Compressor Installation and Application Review Form for each fleet installation arrangement vehicle type engine combination and send to Bendix Commercial Vehicle Systems LLC Attn Engineering Manager of Charging 901 Cleveland Street Elyria Ohio 44035 Note Measurements should be made with commercial grade instruments with tolerances of 3 max Caution When working on vehicles and or carrying out testing procedures always follow standard industry safety guidelines including the use of adequate eye protection etc Compressor Part Number Compressor Serial Number Vehicle Make and Model Engine Make and Model Engine Serial Unit Number Submitted By Employed By Date submitted The following items should accompany this form Attach any available air system schematic Attach engine data sheets Attach available technical information for associated components Attach photos of the compressor installation Attach photos of the compressor air inlet hose arrangement Attach photos of the compressor governor arrangement Attach photos of any devices in the discharge line Attach photos of the air dryer Page 1 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 e rev 1 Bendi Bendix BA 922 Compressor Installation and Application Rev
3. e fitting of the compressor and record the discharge pressure at the time of governor cut out Note any devices in the discharge line between the compressor and air dryer should represent their maximum possible restriction when the discharge pressure of the compressor is being measured Was measured discharge pressure greater than 150 psi YES _ NOL Page 8 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 e rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review Total air reservoir capacity Charge time required to raise the reservoir pressure from governor cut in to cut out at rated engine speed Recommended Test Procedure Drain down the entire air system supply service and accessory tanks to below 75 psi As the compressor begins to charge the system start a timer when the tank pressure reaches the governor cut in pressure Stop the timer when the compressor cuts out dryer purge can usually be heard Was measured charge time less than 90 seconds YES C NOL Coolant Supply Source Line size to Distance to Maximum allowable engine coolant temperature Maximum expected compressor coolant temperature Recommended Test Procedure Install a temperature probe in the coolant supply fitting on the compressor and either monitor or measure the engine coolant temperature at thermostat housing Operate the vehicle such that the eng
4. e rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review Section IV Air System Components Inlet Line Filter source L Engine Air Filter Allowable engine air inlet restriction see the engine manufacturer s engine data sheet Clean Dirty Recommended Test Procedure Install a water manometer gauge to read the pressure at the air inlet fitting on the compressor If the compressor shares the engine air intake system then restrict the engine air filter such that at rated engine power and speed the engine is at its maximum allowable inlet restriction for a dirty filter see the engine data sheet Under this condition operate the engine at rated speed and power and read the pressure at the compessor air inlet fitting while the compressor is loaded pumping Measured compressor air inlet restriction measured at compressor at rated engine speed and power with a dirty filter C Dedicated air compressor filter Description Page 6 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review Measured compressor air inlet restriction measured at compressor at rated engine speed with a dirty filter Line size Line length Expected Measured Worst Case Inlet Air Temperature Was measured restriction less than 30 in HO YES NOL Is inlet air temp
5. erature greater than 170 F YES _ NOL Recommended Test Procedure Install a temperature probe in the air compressor inlet hose or fitting as close to the compressor as possible Operate the vehicle such that the engine is at operating temperature and the compressor is loaded pumping Record the compressor air inlet temperature and note the ambient temperature To obtain the maximum air inlet temperature add the difference between the recorded inlet temperature and the noted ambient temperature to the maximum expected ambient temperature Was the restriction measured per the recommended procedure YES C NOL If no describe procedure Page 7 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review Discharge line First component after compressor filters separators traps dryers What Line ID size to Distance to Second component after compressor filters separators traps dryers What Line ID size to Distance to Third component after compressor filters separators traps dryers What Line ID size to Distance to Is the discharge piping routed in a downhill manner to the air dryer YES _ NO _ Measured compressor discharge pressure measured at the compressor Recommended Test Procedure Install a pressure gauge at the discharg
6. iew Section I Application Information Check the boxes that best apply and use the comments space to further clarify On Highway and Linehaul Straight Truck Single trailer Double trailer Triple trailer Motor Coach RV Other OOOO Vocational Delivery Dumper Mixer Terminal Jockey Bulk Unloader Transit Bus Crash Fire Rescue Other OOOO Off Highway and Military L Description Page 2 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review Section IT Vehicle Features Requiring Air Check the boxes that best apply and use the comments space to further clarify Air brakes Multiple axles Number of axles Air suspension C Description Bulk Unloading L Typical time to unload Frequency of unloading events Central Tire Inflation C Description Kneeling capability bus feature L Doors or windshield wipers L Air park or door interlock L Other Description Page 3 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 e rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review Section ITI Vehicle Engine Requirements and Expectations Life expectation in hours or miles Duty Cycle expectation percent time compres
7. ine reaches operating temperature Record the engine coolant temperature and the compressor coolant supply temperature The maximum expected compressor coolant temperature is the sum of the recorded compressor coolant temperature and the difference between the recorded engine coolant temperature and the maximum allowable engine coolant temperature Is the maximum expected compressor coolant supply temperature less than 220 F YESL NOL Page 9 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 e rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review Coolant Return Return Port Location Line size to Distance to Measured coolant flow rate At engine idle At engine rated speed Recommended Test Procedure Install a flow meter in series with the coolant supply or return line of the air compressor Note the flow rate through the compressor when the engine thermostats are open at engine idle and rated speed Was measured flow rate greater than 6 gpm at idle and 1 9 gpm at rated speed YES NOL Measured Coolant Pressure Drop alternative measurement pressure drop between inlet fitting and return fitting At engine idle At engine rated speed Recommended Test Procedure Install pressure gauges at the inlet and outlet fittings of the air compressor Record the pressures or pressure difference at idle and rated speed Was
8. ine size length Governor air control line size length Page 12 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review Air Dryer Air Dryer part number and or vendor Maximum allowable temperature to the dryer Minimum allowable temperature to the dryer Recommended Test Procedure Install a temperature probe at the air dryer inlet fitting Operate the vehicle such that the engine is at operating temperature Drain an air tank such that the compressor runs continuously but the pressure remains about 10 psi below the governor cutout pressure Note the dryer air inlet temperature after the compressor has run for 90 seconds Also note the ambient temperature To obtain the maximum air inlet temperature add the difference between the recorded inlet temperature and the noted ambient temperature to the maximum expected ambient temperature Likewise to obtain the minimum expected inlet temperature add the temperature difference to the minimum expected ambient temperature Measured inlet temperature to the dryer Ambient temperature at time of measurement What is the maximum expected ambient temperature What is the minimum expected ambient temperature What is the maximum expected dryer inlet temperature What is the minimum expected dryer inlet temperature Page 13 of 14 BW251
9. measured pressure drop greater than 1 0 psi at idle and greater than 4 4 psi at rated speed YES _ NOL Page 10 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review Compressor Oil Supply Source Line size to Distance to Compressor Oil Return C Return through front flange L Return through bottom drain only C Return through both bottom drain and front flange Measured Oil Supply Pressure record at compressor fitting at engine idle Recommended Test Procedure Install a pressure gauge at the oil fitting on the air compressor Record the oil pressure at engine idle with the engine at normal operating temperature Was measured oil supply pressure greater than 14 0 psi YES _ NOL Describe any auxiliary fittings at the oil supply of the compressor Page 11 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 e rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review Governor location C Compressor mounted C Remote Compressor control C Governor for Compressor Unloader Governor part number and or vendor Cut out pressure Range or band L Governor with discharge line unloading Governor part number and or vendor Cut out pressure Range or band Governor air signal l
10. sor operates loaded C 5 to 25 L 25 to 35 L greater than 35 Recommended Test Procedure Install a pressure switch 60 90 psi in the governor signal line Record the switch voltage or continuity during vehicle operation The duty cycle is the quotient of the compressor loaded time low pressure in the signal line and the total time The total time of the test should reflect a typical operation cycle of the vehicle Was duty cycle measured NO _ YES Measured value Installation angles Engine installation angle Compressor rotated angle Gradability vehicle operation on slope Side For Aft Percent of time operated on inclines Compressor delivery system pressure Engine rated speed Air compressor drive ratio Page 4 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06 e rev 1 Bendi Bendix BA 922 Compressor Installation and Application Review Compressor Thru drive Pump Drive For new applications go to Appendix D of BW 121 A Thru drive to be used for Installed pump Vendor PN Operating torque Operating HP Worst case torque consider spikes and cold operation Worst case HP consider spikes and cold operation Describe pump motor control system Comments Page 5 of 14 BW2514 2006 Bendix Commercial Vehicle Systems LLC All Rights Reserved 3 22 06
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