BENDIX TCH-001-005 User's Manual
Contents
1.2. AT fuel Aump wath front cover wachormeter drive may Pave co have ie rear seal femeved and a pleg azded n cba coupling lange vant qele Camersearg row te auie tig shango arg ligied in Table 1 most of the currency used comoressors de rot have a gual 1 Remove fuel pume drivs coualing frac cormera sdr and Bull seal remace crive coupling 2 Tap vanl halg in cormarager coupling Tange fide puma meung Hocek wlth aq 3 20 NF thread tap Imsi pleg Fart Mig 191859 October 1a 74 No FAT S125 File Group 5 Peis A Sazplemenc 1 gerrie Parts tape Wa FAT 5 12 Tabla 1 BA Camsrgssors Requiring Seal Aamoval Curamins BW Cummins aw Fart ila Part He Part Nao Fart io tagsta T2525 1623704 276079 jans 228739 183427 75230 145872 278169 134 279839 121319 276361 1a EN cyrano Tats 280223 213557 PEGE Jadam 220514 201665 52521 214331 233771 186507 zatqa 1795251 277120 Begin ag ia Yig Neoverisr all Colurioua manulaztureg PT IVyps G TLR pama aurant sori gaqeraio iat and will gs gqimucan canta tha front cower drive Parn sumoees of pas fronz cower asemalle wil tot orange eier ic Secvice Farts Topic Ma TAr GAZ for eda pary eranggg win iha ageng las E a hiaan Cummias Engine Camaany ine mmins Cumming Engine Comoany Han Baringion Ca Durham Englanc ILIE Aeqeslered Gatice Soomoe Hause 34 Seode s Squere hea Marden Soaeey STI ak Fatiatratian Le EY Calumous indiang U 8 4 47201 atil Eaqieg
3. TechnicalBulletin Bulletin No TCH 001 005 Effective Date 11 24 1976 Cancels N A Page 1 of 2 Subject BENDIX COMPRESSORS ON CUMMINS ENGINES TU FLO 500 amp 600 The attached copy of Cummins Service Parts topics 74T5 12S1 dated 10 74 describes a design change on Cummins PT Fuel Pumps type G The change adds a tachometer drive to the front cover of the fuel pump The tach drive is dependent upon oil from the compressor for lubrication and in order to receive an adequate supply of oil the rear oil seal on Bendix compressors used on Cummins engines has been eliminated and the hole in the rear compressor flange plugged All new and remanufactured Bendix compressors have incorporated this change for quite some time however as this was a running change it is likely that distributor inventory will include some compressors with the rear oil seal and vent hole open In Summary l Compressors either with or without the rear oil seal may be used on engines without the tachometer drive on the P T Pump Il Only compressors without a rear oil seal may be used on engines with the tachometer drive on the P T Pump According to Cummins the use of compressors with a rear oil seal on engines with a tachometer drive on the P T Pump will result in premature failure of the tachometer drive Front Caver Tachomater Drive PT Type G Fuel Pumps Cummings engines equicged with Bandix vestinghase air compedd sors thal wall usa tha
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