BENDIX BW1845 Bedienungsanleitung

1DESCRIPTIONThe function of the air compressor is to provide and main-tain air under pressure to operate devices in the air brakeand/or auxiliary air

10REMOVALThese instructions are general and are intended to be a guide.In some cases additional preparations and precautions arenecessary. In all case

11OIL PASSAGESThoroughly clean all oil passages through the end cover orend cover adapter. Inspect the passages with a wire to besure. Blow the loose

12ASSEMBLYGeneral Note: All torques specified in this manual are as-sembly torques and typically can be expected to fall offafter assembly is accompli

134. Locate one of the sliding inlet valves (13) and place it ona flat surface. Note that there is a concave and convexside in the surface where the s

147. Torque the two 13mm x 60mm head bolts to 265 - 292inch pounds.8. Beginning with one of the center bolts, torque the six13mm x 85mm head bolts to

15DIMENSIONAL DATAPort SizesMetric (Detroit Diesel)Water inlet ... M16 x 1.5Water outlet ...

*This guide is only for vehicles that use desiccant air dryers.The guide consists of an introduction to air brake charging systemcomponents, a table s

17Introduction to the Air Brake Charging SystemPowered by the vehicle engine, the air compressorbuilds the air pressure for the air brake system. Thea

18Compressor with up to 25% duty cycleFootnotes:1 With increased air demand the air dryer cartridge needs to be replaced more often.2 Use the drain va

19üAir Brake Charging System TroubleshootingHow to use this guide:1.0 Oil Test CardResultsNot a valid test.Discontinue using this test.Do not use thi

2DETROIT DIESEL CATERPILLARFIGURE 2 - TYPICAL COMPRESSOR DRIVE FLANGESFIGURE 3 - DURAFLO™ 596 AIR COMPRESSOR UNLOADER SYSTEMDURAFLO™ 596COMPRESSORSUPP

Symptom: What it may indicate: What you should do:202.2 Oil leakingfrom compressor:(a)Excessive leak at head gasket.(b)Leak at bottom cover plate.(c)

214.0 Oil in Supply orService Reservoir(air dryer installed)(If a maintained Bendix®PuraGuard® system filteror Bendix® PuraGuard®QC™ oil coalescing f

Symptom: What it may indicate: What you should do:22(e)Air compressor discharge and/orair dryer inlet temperature too high.(f) Insufficient coolant fl

Symptom: What it may indicate: What you should do:23(i) Poorly filtered inlet air (poor airquality to compressor).(j) Governor malfunction or setting

Symptom: What it may indicate: What you should do:248.0 Oil in ping tankor compressor dis-charge aftercooler.Air brake charging system isfunctioning

Symptom: What it may indicate: What you should do:25(g) Restricted air inlet (not enough airto compressor).ð Check compressor air inlet line forrestri

Symptom: What it may indicate: What you should do:2610.0 Air chargingsystem doesn’tbuild air.(a) Governor malfunction*.(b) Restricted discharge line.

Symptom: What it may indicate: What you should do:2715.0 Compressorconstantly cycles(compressorremains unloadedfor a very shorttime.)(a)Air brake cha

Symptom: What it may indicate: What you should do:28This guide attempts to cover mostcompressor system problems. Here aresome rare sources of problems

29TestsExterior leaks at the head gasket are not a sign that oil is being passedinto the air charging system. Oil weepage at the head gasket does not

3FIGURE 4 - OPERATIONAL-LOADED (INTAKE)AIR INTAKE (LOADED)The piston strokes are 180 degrees opposed. As one pistonis on an up stroke the opposing pis

1. Ensure that the governor control line from thereservoir is located at or near the top of thereservoir. (This line, if located near the bottomof the

31NOTES

HighSTART BASIC TESTIs this atransit vehicle, bulkunloader, or has morethan 5 axles?YES, this is a highair usevehicle.NO, this is a low airuse vehicle

Footnote 1: Note: Typical air dryer cartridge replacement schedule is every 3 yrs/300K miles for low air use vehicles and every year/100K miles forhig

Park the vehicle on level ground and chock wheels. Build system pressure to governor cut-outand allow the pressure to stabilize for one minute.1: Obse

35Technical BulletinBulletin No.: TCH-008-021 Effective Date: 11/1/92 Page: 1 of 2Subject: Air Brake System - Cold Weather Operation TipsAs the cold w

36Bulletin No.: TCH-008-021 Effective Date: 11/1/92 Page: 2 of 2High Duty Cycle Vehicles (City Transit Coaches, Refuse Haulers, Etc.)The maximum disch

Technical BulletinBulletin No.: TCH-008-022 Effective Date: 1/1/1994 Page: 1 of 1Subject: Additional Cold Weather Operation Tips for the Air Brake Sys

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4CYLINDER BLOCK SIDE OF VALVE BODY ASSY.SLIDING INLETVALVESPIVOTARMSCOMPRESSOR LOADED COMPRESSOR UNLOADEDDISCHARGEPORTSINLETPORTSCYLINDER HEAD SIDE OF

BW1845 © 2004 Bendix Commercial Vehicle Systems LLC. All rights reserved. 10/2004 Printed in U.S.A.40

5FIGURE 8A - SYSTEM DRAWINGAir DryerReservoir DrainService Reservoir(Supply Reservoir)CompressorGovernor(Governor plus Synchro valvefor the Bendix® Du

6AIR INDUCTIONThe DuraFlo™ 596 compressor is approved for natural aspi-ration only. The compressor inlet is connected to thevacuum side of the engine

7COMPRESSOR DRIVECheck for noisy compressor operation, which could indi-cate excessive drive component wear. Adjust and/or replaceas necessary. Check

8FIGURE 10 - DURAFLO™ 596 AIR COMPRESSOR EXPLODED VIEW OF SERVICEABLE PARTSItem Qty. Description Item Qty. Description Item Qty Description1 6 13mm x

91. With the engine running, lower air system pressure to90 psi and raise engine RPM to 1800. Measure andrecord the time required to raise system pres