New Pressure Relief Breather for Hydraulic Tank Is Now Used on Certain Cat Products {1354} Caterpillar


New Pressure Relief Breather for Hydraulic Tank Is Now Used on Certain Cat Products {1354}

Usage:

793B 1HL
Hydraulic Shovel
6015B (S/N: LWN1-409; WSN1-111)
6020B (S/N: DNR1-120)
Integrated Toolcarrier
IT38H (S/N: JNJ1-711)
IT62H (S/N: M5G1-689)
Knuckleboom Loader
2384C (S/N: KB61-466; KAW1-318)
2484C (S/N: KB71-330; KAZ1-264)
559C (S/N: KB41-65690; KAS1-549)
579C (S/N: KB51-188; KAX1-295)
Landfill Compactor
816F Series 2 (S/N: BZR1-75001)
816K (S/N: WNB1-210)
826G Series II (S/N: AYH1-76002)
826H (S/N: AWF1-78001)
826K (S/N: 2321-6274; SET1-514)
836G (S/N: BRL1-75027; 7MZ1-75013)
836H (S/N: BXD1-75016)
836K (S/N: LWZ1-231; TWZ1-611)
Load Haul Dump
R1300 (S/N: 6QW1-75004)
R1300G (S/N: LJB1-78012; NJB1-341)
R1600 (S/N: 9EW1-78006)
R1600G (S/N: 9YZ1-78010)
R1600H (S/N: 9SD1-261)
R1700G (S/N: SBR1-78001; XBR1-415; 8XZ1-78009)
R2900 (S/N: 5TW1-78001)
R2900G (S/N: GLK1-77003; JLK1-91259)
R3000H (S/N: RCM1-148)
Motor Grader
24M (S/N: B931-197; B9K1-75001)
Off-Highway Truck/Tractor
770 (S/N: BZZ1-75001)
770G (S/N: RMA1-101; TWA1-152; KDH1-369; ECM1-344; ECX1-114)
772 (S/N: RLB1-905)
772G (S/N: LTS1-407; KEX1-270; LTX1-210)
773D (S/N: NBJ1-76001; 7ER1-78001; 7CS1-80001)
773E (S/N: BDA1-78001; KEG1-339; ASK1-1498)
773F (S/N: EED1-1369; EXD1-145)
777D (S/N: AGC1-77012; FKR1-76002; 3PR1-78006)
777E (S/N: KDP1-233)
777F (S/N: JRP1-3340; JXP1-258)
777G (S/N: GT71-169; T5A1-123; TNM1-1015; RDR1-505; T4Y1-210)
789 (S/N: 9ZC1-78002)
789B (S/N: 7EK1-78001)
789C (S/N: 2BW1-90007)
789D (S/N: SPD1-704; SHH1-319)
793B (S/N: 1HL1-78009)
793C (S/N: ATY1-78004; 4GZ1-UP)
793D (S/N: FDB1-78003)
793F (S/N: RBT1-186)
793F AC (S/N: EMD1-77)
795F AC (S/N: ERM1-296)
795FAC XQ (S/N: SNT1-101)
OEM POWERTRAIN (S/N: DTE1-39020)
Pipelayer
583T (S/N: CMX1-560)
587R (S/N: BXL1-521)
587T (S/N: FAT1-586)
589 (S/N: 31Z1-76005)
PL72 (S/N: P721-124)
PL83 (S/N: CB21-175; KSD1-304)
PL87 (S/N: TEC1-170; KKJ1-319)
Quarry Truck
771D (S/N: BCA1-76003; 6JR1-76004)
773G (S/N: MWH1-422; JWS1-387; T5S1-126; T5T1-106)
775D (S/N: 6KR1-76005; 8AS1-76003)
775E (S/N: BEC1-76005)
775F (S/N: EYG1-104; DLS1-76002)
775G (S/N: T5F1-103; RFM1-916; MJS1-573; T5W1-112)
Site Prep Tractor
2864C (S/N: SP41-112)
586C (S/N: SL51-105; SP51-121)
Soil Compactor
815F Series 2 (S/N: BYN1-1249)
815K (S/N: MBB1-303; WCS1-201)
825H (S/N: AZW1-429)
825K (S/N: 2331-5021; SEE1-212)
Track Feller Buncher
511 (S/N: 5111-503)
521 (S/N: 5211-507)
521B (S/N: F7B1-383)
522 (S/N: 5221-56895)
522B (S/N: F7C1-340)
532 (S/N: 5321-501)
541 (S/N: 5411-56834)
541 Series 2 (S/N: F7D1-253)
552 (S/N: 5521-56841)
552 Series 2 (S/N: F7G1-225)
Track-Type Tractor
D10R (S/N: 3KR1-78002; AKT1-76004)
D10T (S/N: RJG1-78001)
D10T2 (S/N: RAB1-326; JJW1-214)
D11R (S/N: AAF1-75010; 9XR1-75002; 7PZ1-77002)
D11T (S/N: AMA1-686; GEB1-78001; TPB1-211; MDG1-182; JEL1-428; JNS1-134)
D7H (S/N: 5BF1-75003)
D7R (S/N: 2EN1-78001; 3DN1-75004)
D9R (S/N: JJB1-136; HWH1-103; ABK1-75004; ACL1-78003; WDM1-77001)
D9T (S/N: TWG1-761; RJS1-78016; REX1-481)
Underground Articulated Truck
AD30 (S/N: CXR1-75002; DXR1-77014; GXR1-832)
Wheel Dozer
814F Series 2 (S/N: BXG1-552)
824G Series II (S/N: AWW1-76003)
824H (S/N: ASX1-78001)
824K (S/N: 2341-4009; RWB1-123)
834H (S/N: BTX1-78004)
834K (S/N: LWY1-727; TWY1-707)
844 (S/N: BBN1-75003)
844H (S/N: BTW1-75001)
844K (S/N: KLS1-406)
854G (S/N: 1JW1-78001)
854K (S/N: 2211-68300; H9K1-514; H8M1-512)
Wheel Feller Buncher
2470C (S/N: W471-114; W2M1-307)
2570C (S/N: W571-128; F1B1-216)
2670C (S/N: W671-154; B3E1-1470)
553C (S/N: W531-170; PGR1-277)
563C (S/N: W631-320; JCB1-324)
573C (S/N: W731-248; RJT1-296)
Wheel Loader
938G (S/N: 4YS1-78003)
938G Series II (S/N: MSC1-1266; CRD1-78001)
938H (S/N: MCC1-821; MJC1-11874; JKM1-3205; LKM1-31958)
950G Series II (S/N: AXX1-75002)
950H (S/N: N1A1-5162; M1G1-3437; J5J1-2063; K5K1-82298; JLX1-1003)
962H (S/N: N4A1-2380; M3G1-1374; J6J1-606; K6K1-78002; MAL1-599)
966G (S/N: 3SW1-75004)
966G Series II (S/N: AXJ1-76001; ANZ1-78001)
966H (S/N: A6D1-78001; RYF1-78002; A6G1-76004; A6J1-78002; TAL1-2775; FMW1-551)
972H (S/N: GTA1-786; LCC1-76001; A7D1-1138; A7G1-2332; A7J1-564)
980G (S/N: 2KR1-75012)
980G Series II (S/N: AXG1-76005; AWH1-75003)
980H (S/N: MHG1-78002; A8J1-4264; JMS1-78004)
986H (S/N: L8S1-357)
986K (S/N: MH81-172)
988F (S/N: 8YG1-80000)
988F Series II (S/N: 2ZR1-76006)
988G (S/N: BNH1-76001; 2TW1-78002)
988H (S/N: A7A1-333; BXY1-78006)
990 Series II (S/N: 4FR1-78001)
990H (S/N: BWX1-76002)
990K (S/N: DJK1-257; A9P1-359)
992C (S/N: 49Z1-78002)
992D (S/N: 7MJ1-78003)
992G (S/N: 7HR1-78005; AZX1-78001; ADZ1-76005)
992K (S/N: 8801-640; H4C1-607; ZMX1-660)
993K (S/N: Z9K1-558)
994 (S/N: 9YF1-77001)
994F (S/N: 4421-75001)
994H (S/N: DWC1-527)
994K (S/N: MRK1-315)
Wheel Skidder
525D (S/N: 2L51-155; GKP1-471)
535D (S/N: 3L51-136; MTP1-380)
545D (S/N: 4L51-163; KGP1-251)
555D (S/N: PGY1-150)
Wheel Tractor-Scraper
613G (S/N: YCB1-28)
621G (S/N: DBB1-732; DXB1-75001; MSE1-1156; NEL1-477; KJW1-125; MEX1-18)
621H (S/N: DBK1-131; HKK1-139; NYY1-129; EAZ1-125)
621K (S/N: WTA1-118; WTE1-122; WTL1-102; WTP1-113)
623F (S/N: 5EW1-75001)
623G (S/N: DBC1-75001; CES1-75001)
623H (S/N: EJD1-105; DBF1-175)
623K (S/N: WTB1-220; WTM1-110)
627G (S/N: DBD1-983)
627H (S/N: LCT1-115; DBW1-348)
627K (S/N: WTC1-256; WTN1-113)
631G (S/N: DFA1-75001)
631K (S/N: WTR1-102; WTW1-104)
637G (S/N: DFJ1-558)
637K (S/N: WTS1-112; WTT1-1; WTX1-1)
651 (S/N: 33G1-1)
651E (S/N: 89Z1-76002)
657E (S/N: 5YR1-75002; 7KR1-75002; 90Z1-76002)
657G (S/N: W1B1-183; W1C1-354)

Description Of Change: A new pressure relief breather for hydraulic tank is now used on the machines listed above. This new breather design eliminates the opportunity for leaks of the relief valve. Pressure is relieved by pressing down the entire breather housing.

Adaptable To: The breather assemblies are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.

Table 1
Required Parts 
Item  Qty  New Part Number  Part name  Former Part Number 
507-0643(1)  Breather As  358-9475 
507-0644(2)  Breather As  358-9477 
507-0646(3)  Breather As  358-9476 
(1) 35 kPa (5 psi) Relief pressure
(2) 70 kPa (10 psi) Relief pressure
(3) 115 kPa (17 psi) Relief pressure

Note: Refer to machine Specifications to determine relief pressure.



Illustration 1g06257697
Typical example of breather assembly.

Note: Use the desired breather assembly as per the required relief valve pressure.

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