A New Torque Value Is Used for the Fuel Pressure Regulator Valves on Certain Diesel Engines{1251, 1262, 1274} Caterpillar

A New Torque Value Is Used for the Fuel Pressure Regulator Valves on Certain Diesel Engines{1251, 1262, 1274} [REHS5025]

FUEL SYSTEM

FILTER GP-FUEL

A New Torque Value Is Used for the Fuel Pressure Regulator Valves on Certain Diesel Engines{1251, 1262, 1274}

1.1. Introduction

2.1. Check Valve Torque

Articulated Truck:
725 (S/N: B1L1-UP)
730 (S/N: B1M1-UP)
730 EJECTOR (S/N: B1W1-UP)
735 (S/N: B1N1-UP)
740 (S/N: B1P1-UP)
740 EJECTOR (S/N: B1R1-UP)
Backhoe Loader:
416E (S/N: SHA1-UP)
Cold Planer:
PM-200 (S/N: P1C1-UP)
Landfill Compactor:
816F (S/N: BMR1-UP)
826G Series II (S/N: AYH1-UP)
826H (S/N: AWF1-UP)
836G (S/N: BRL1-UP; 7MZ1-UP)
836H (S/N: BXD1-UP)
Soil Compactor:
815F (S/N: BKL1-UP)
825H (S/N: AZW1-UP)
Engine:
3508B (S/N: CBB1-UP)
C-10 (S/N: 3CS1-UP; BCX1-UP)
C-12 (S/N: CPD1-UP; 8YF1-UP; BDL1-UP; 2KS1-UP)
C-15 (S/N: 6NZ1-UP; 9NZ1-UP)
C-16 (S/N: 7CZ1-UP)
C-18 (S/N: MDP1-UP)
C11 (S/N: KCA1-UP)
C13 (S/N: KCB1-UP; LEE1-UP; JAM1-UP)
C15 (S/N: SDP1-UP; B5R1-UP; MXS1-UP; NXS1-UP)
C18 (S/N: EJG1-UP)
C4.4 (S/N: 4441-UP)
Generator Set:
3406C GEN SET (S/N: C5G1-UP)
3456 GEN SET (S/N: CCB1-UP; C1G1-UP; C3G1-UP; C4G1-UP; CAH1-UP; CBX1-UP)
C15 GEN SET (S/N: C5E1-UP; STG1-UP; C5H1-UP; C5L1-UP; X4R1-UP)
C18 GEN SET (S/N: C6C1-UP; G4C1-UP; STD1-UP; STM1-UP; EKW1-UP)
C18 MARINE GS (S/N: GBM1-UP; CYN1-UP; GEN1-UP; MGS1-UP)
C32 MAR GS ENG (S/N: RNE1-UP; RNX1-UP)
Industrial Engine:
3412E IND (S/N: BDT1-UP)
C-15 IND (S/N: BEM1-UP)
C-16 IND (S/N: BFM1-UP)
C11 INDUSTRIAL (S/N: GLS1-UP)
C13 INDUSTRIAL (S/N: LGK1-UP)
C15 IND (S/N: JRE1-UP)
C15 INDUSTRIAL (S/N: JAS1-UP)
C18 INDUSTRIAL (S/N: WJH1-UP)
C27 INDUSTRIAL (S/N: TWM1-UP)
C32 INDUSTRIAL (S/N: TLD1-UP)
C9 INDUSTRIAL (S/N: JSC1-UP; MBD1-UP)
Marine Engine:
3406E MARINE (S/N: 9WR1-UP)
C-12 MARINE (S/N: K1M1-UP; 9HP1-UP)
C12 MARINE (S/N: NFL1-UP; C1Z1-UP)
C15 MARINE (S/N: RLA1-UP)
C18 MARINE (S/N: WKB1-UP; PLE1-UP; CKH1-UP; C1J1-UP; GES1-UP; KJT1-UP; JKX1-UP)
C18 MARINE ENG (S/N: J2K1-UP; T2P1-UP)
C32 MARINE (S/N: RXB1-UP; RNC1-UP; RND1-UP; RNR1-UP; SLT1-UP; T3T1-UP; RNY1-UP; RNZ1-UP)
Excavator:
324D (S/N: EJC1-UP)
330C (S/N: CGZ1-UP)
345C (S/N: TBA1-UP; WDE1-UP; TDG1-UP; GPH1-UP; GCL1-UP; S5M1-UP; RFN1-UP; DHP1-UP; LYS1-UP; PJW1-UP)
345D (S/N: YEE1-UP; NEG1-UP; RGG1-UP; EEH1-UP; RAJ1-UP; PBT1-UP)
365C (S/N: ELC1-UP; MCS1-UP; MCY1-UP)
385C (S/N: EDA1-UP; KGB1-UP; KBC1-UP; SBE1-UP; KKK1-UP)
M322D (S/N: W2S1-UP)
Load Haul Dump:
R1600G (S/N: 9PP1-UP; 9YZ1-UP)
R1700G (S/N: 8XZ1-UP)
R2900G (S/N: JLK1-UP)
Motor Grader:
120M (S/N: B9C1-UP)
140H (S/N: CCA1-UP; APM1-UP)
143H (S/N: APN1-UP)
14H (S/N: ASE1-UP)
14M (S/N: B9J1-UP)
160H (S/N: ASD1-UP)
163H (S/N: ARL1-UP)
16H (S/N: ATS1-UP)
16M (S/N: B9H1-UP)
24M (S/N: B9K1-UP)
Off-Highway Truck/Tractor:
770 (S/N: BZZ1-UP)
772 (S/N: RLB1-UP)
Quarry Truck:
775F (S/N: DLS1-UP)
Petroleum Engine:
C-15 PETROLEUM (S/N: Z2C1-UP)
Petroleum Power Train Package:
TH35-C15I (S/N: PBN1-UP)
Petroleum Transmission:
TH35-E81 (S/N: TZM1-UP)
Road Reclaimer/Soil Stabilizer:
RM-500 (S/N: ASW1-UP)
Track-Type Tractor:
D10T (S/N: RJG1-UP)
D10T2 (S/N: RAB1-UP; JJW1-UP)
D6R Series II (S/N: AAX1-UP)
D7R Series II (S/N: AEC1-UP; ABJ1-UP; BNM1-UP; AGN1-UP)
D8R Series II (S/N: 6YZ1-UP)
D8T (S/N: J8B1-UP; KPZ1-UP)
D9T (S/N: RJS1-UP)
Underground Articulated Truck:
AD30 (S/N: DXR1-UP)
AD45B (S/N: CXM1-UP)
AD55 (S/N: DNW1-UP)
Wheel Dozer:
824H (S/N: ASX1-UP)
834H (S/N: BTX1-UP)
Wheel Loader:
962G Series II (S/N: BAB1-UP)
966G Series II (S/N: AXL1-UP; AWZ1-UP)
966H (S/N: A6D1-UP; A6G1-UP; A6J1-UP)
972H (S/N: A7D1-UP; A7G1-UP; A7J1-UP)
980G Series II (S/N: AXG1-UP; AYT1-UP)
980H (S/N: MHG1-UP; A8J1-UP; JMS1-UP)
988G (S/N: BNH1-UP; 2TW1-UP)
988H (S/N: BXY1-UP)
Wheel Tractor-Scraper:
621G (S/N: DBB1-UP; CEN1-UP)
623G (S/N: DBC1-UP)
627G (S/N: DBD1-UP)
631G (S/N: DFA1-UP)
637G (S/N: DFJ1-UP)
657G (S/N: W1B1-UP; W1C1-UP)

Introduction

Do not perform any procedure that is outlined in the Special Instruction until the entire instruction has been read and understood.

Check Valve Torque

Show/hide table

NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates.

The check valves that are located within the fuel pressure regulator group are sensitive to assembly torque. In order to eliminate the risk of valve distortion, torque the check valves to 28 ± 3 N·m (21 ± 2 lb ft). Refer to Table 1 for the check valve part numbers that required the torque that is listed above.

Show/hide table

Table 1
Part Number	Description
327-0376	Check Valve Gp
327-4448	Check Valve Gp
281-2725	Check Valve Gp
282-1915	Check Valve Gp
228-7381	Check Valve Gp
327-8044	Check Valve Gp