- Asphalt Compactor
- CB-534D (S/N: EAA1-UP; FEA1-UP; GCA1-UP; C2B1-UP; C4B1-UP; FGH1-UP; B5M1-UP; C8M1-UP)
- CB-564D (S/N: C6D1-UP; D4M1-UP)
- Asphalt Paver
- AP-650B (S/N: A7P1-UP)
- AP-800D (S/N: A5P1-UP)
- AP300 (S/N: B2Y1-UP)
- AP-800D (S/N: A5P1-UP)
- Backhoe Loader
- 414E (S/N: ELB1-UP)
- 416D (S/N: B2D1-UP; BKG1-UP; BGJ1-UP; BFP1-UP)
- 416E (S/N: SHA1-UP; BWC1-UP; CBD1-UP; LMS1-UP)
- 416E Series III (S/N: GRR1-UP)
- 416F (S/N: LWT1-UP)
- 416F2 (S/N: LYA1-UP; LBF1-UP)
- 420D (S/N: BMC1-UP; MBH1-UP; BLN1-UP; FDP1-UP)
- 420E (S/N: GAN1-UP; HLS1-UP; KMW1-UP)
- 420F (S/N: LTG1-UP; LKH1-UP)
- 420F2 (S/N: LBS1-UP)
- 420F2 IT (S/N: LYC1-UP)
- 420F2 ST (S/N: LYB1-UP)
- 422E (S/N: HBE1-UP; DSK1-UP; MAW1-UP)
- 422F (S/N: LRH1-UP)
- 422F2 (S/N: LYF1-UP)
- 424D (S/N: RXA1-UP; CJZ1-UP)
- 426 F2 (S/N: EJ21-UP; DJ41-UP; EJ41-UP)
- 428D (S/N: BXC1-UP; MBM1-UP; DSX1-UP)
- 428E (S/N: DXC1-UP; DPH1-UP; SNL1-UP)
- 428F (S/N: LBH1-UP)
- 428F2 (S/N: LYG1-UP)
- 430D (S/N: BNK1-UP; BML1-UP)
- 430E (S/N: DDT1-UP; EAT1-UP)
- 430F (S/N: LNH1-UP; LDY1-UP)
- 430F2 IT (S/N: LYE1-UP)
- 430F2 ST (S/N: LYD1-UP)
- 432D (S/N: WEP1-UP; TDR1-UP)
- 432E (S/N: JBA1-UP; BXE1-UP; RXS1-UP)
- 432F (S/N: LNR1-UP)
- 432F2 (S/N: LYJ1-UP)
- 434E (S/N: SXB1-UP; SEF1-UP; FSH1-UP; SJL1-UP)
- 434F (S/N: LDH1-UP)
- 434F2 (S/N: LYK1-UP)
- 442D (S/N: TBD1-UP; SMJ1-UP)
- 442E (S/N: EME1-UP; PCR1-UP; GKZ1-UP)
- 444E (S/N: NBA1-UP; HXB1-UP; LBE1-UP)
- 444F (S/N: LJJ1-UP)
- 444F2 (S/N: LYL1-UP)
- 416D (S/N: B2D1-UP; BKG1-UP; BGJ1-UP; BFP1-UP)
- Compact Wheel Loader
- 914G (S/N: PDF1-UP)
- Engine
- C3.3 (S/N: E3J1-UP)
- Excavator
- 312D2 (S/N: EAB1-UP; FAB1-UP; KLE1-UP; DGF1-UP; HBF1-UP; MGJ1-UP; WHJ1-UP; GWN1-UP; MPP1-UP; BRW1-UP; TJY1-UP; RXZ1-UP)
- 313D2 (S/N: ZAA1-UP; PLD1-UP; GAJ1-UP; RKN1-UP)
- 318D2 (S/N: JEB1-UP; HAH1-UP; XAH1-UP; DPJ1-UP; WGR1-UP; TZS1-UP; XGS1-UP)
- 320D2 (S/N: GBA1-UP; LCA1-UP; LMA1-UP; YEA1-UP; PBB1-UP; NBF1-UP; TMF1-UP; WBF1-UP; MDJ1-UP; FKK1-UP; DFM1-UP; HDM1-UP; JFM1-UP; TDN1-UP; DNP1-UP; KHR1-UP; RAR1-UP; DNS1-UP; KBS1-UP; ZCS1-UP; EKT1-UP; NBT1-UP; RDZ1-UP; SDZ1-UP; TDZ1-UP)
- 313D2 (S/N: ZAA1-UP; PLD1-UP; GAJ1-UP; RKN1-UP)
- Industrial Engine
- 3054C (S/N: 3341-UP)
- C4.4 (MECH) (S/N: 4461-UP)
- C7.1 (S/N: 6301-UP; 6731-UP)
- C4.4 (MECH) (S/N: 4461-UP)
- Integrated Toolcarrier
- IT14G (S/N: FWL1-UP; KZN1-UP)
- Mobile Hydraulic Power Unit
- 320D2 MHPU (S/N: K221-UP; P9X1-UP)
- OEM Excavator Based Specialty Solution
- 312D OEM (S/N: L441-UP)
- Paving Compactor
- CB-434D (S/N: CNH1-UP)
- CD54 (S/N: C3B1-UP; J5R1-UP)
- CP-323C (S/N: EAS1-UP)
- CS-323C (S/N: DAR1-UP)
- PF-300C (S/N: PFB1-UP)
- PS-150C (S/N: NPK1-UP; FPS1-UP)
- PS-300C (S/N: PFS1-UP)
- PS-360C (S/N: PJF1-UP)
- CD54 (S/N: C3B1-UP; J5R1-UP)
- Telehandler
- TH210 (S/N: MHT1-UP)
- TH215 (S/N: MHS1-UP)
- Vibratory Soil Compactor
- CP-433E (S/N: ASN1-UP; BTY1-UP)
- CP-533E (S/N: BZG1-UP; TLH1-UP; ASM1-UP)
- CS-433E (S/N: ASR1-UP; BTT1-UP)
- CS-533E (S/N: BZE1-UP; TBE1-UP; DAK1-UP; ASL1-UP; TJL1-UP)
- CP-533E (S/N: BZG1-UP; TLH1-UP; ASM1-UP)
Introduction
There have been some isolated instances of issues with fuel injection pumps on certain 3054C, C3.3, C4.4 (Mech), and C7.1 (Mech) engines. These issues with the fuel injection pump cause the engine to suffer from low power, issues with starting the engine, and excessive smoke.
Solution
Ensure that the correct diagnosis procedures have been carried out. Ensure that the following tests have been carried out. Refer to Systems Operation Testing and Adjusting for further information.
- Fuel System - Inspect
- Air in Fuel - Test
- Fuel Injection Nozzle - Test
- Fuel Quality - Test
- Fuel System - Prime
- Fuel System Pressure - Test
If the diagnosis procedures determine that the fuel injection pump has an issue, remove the fuel injection pump from the engine. Refer to Disassembly and Assembly, "Fuel Injection Pump - Remove" for the correct procedure. Once the fuel injection pump is removed, follow steps 1 to 9to inspect the fuel injection pump.
Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. |
NOTICE |
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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. Dispose of all fluids according to local regulations and mandates. |
- If possible, take the fuel injection pump to a clean work area.
- Clean the outside surfaces of the fuel injection pump.
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Illustration 1 g03117860 Typical example - Place a suitable container under the fuel injection pump to collect any fuel from the fuel injection pump. Use a suitable tool to loosen the drain plug (1). If necessary, retain the fuel collected for analysis if required.
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Illustration 2 g03117878 Typical example - Use a suitable pair of pliers to remove the throttle return spring (2).
Note: Care should be taken when the spring is removed.
Show/hide tableIllustration 3 g03117896 Typical example - Loosen self-locking nut (3). Do not remove the nut.
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Illustration 4 g03117916 Typical example - Use a suitable pair of pliers to lift and disconnect throttle spring (4). Remove self-locking nut (3), washer, upper retainer, spring, lower retainer, spacer, lever, and dust cap.
Note: Care should be taken when the spring is removed.
Show/hide tableIllustration 5 g03117938 Typical example - Remove four screws (6) in the governor cover (7). Gently push the throttle shaft (5) down into the cover (7).
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Illustration 6 g03117956 Typical example - To inspect the internal components of the fuel injection pump, gently lift and rotate the cover (7).
Note: The cover is still connected internally, if resistance is felt, lower the cover and move the cover backwards. Attempt to lift the cover again.
- Inspect the internal components of the fuel injection pump. Refer to steps 9.a and 9.b.
- If good quality fuel is being used the components will be clean. Refer to illustration 7. Take photographs of the identification plate of the fuel injection pump and any evidence found. Attach the photographs to support the claim story.
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Illustration 8 g03118119 Typical example Show/hide tableIllustration 9 g03118121 Typical example - If the injection pump has been run with excessive water in the fuel it will show signs of rust and oxidization of the steel components. Refer to illustration 8. Fuel with dirt ingress will show a build-up of dirt on the components. Refer to illustration 9.
Note: Issues with the fuel injection pump that are due to dirt and water void Caterpillar warranty. The customer needs to be advised on the correct fuel, maintenance, and fuel storage procedures. Refer to the relevant Operation and Maintenance Manual for more information.
Show/hide tableIllustration 7 g03117961 Typical example - If good quality fuel is being used the components will be clean. Refer to illustration 7. Take photographs of the identification plate of the fuel injection pump and any evidence found. Attach the photographs to support the claim story.
If the fuel injection pump shows signs that contaminated fuel is the root cause of the problem, the evidence can be shown to the customer immediately.
After the fuel injection pump has been inspected, the fuel injection pump must not be used in service.
Rebuild the fuel injection pump. Refer to steps 1 to 6
- Lower the cover (7) back into position. Ensure the throttle shaft (5), has been returned to the original position.
- Install the four screws (6) to the cover (7). Tighten the screws finger tight.
- Install the dust cap, lever, spacer, lower retainer, spring, upper retainer, washer, and self-locking nut (3). Use a suitable pair of pliers to connect and lower throttle spring (4) into position.
- Tighten the self-locking nut (3) finger tight.
- Use a suitable pair of pliers to install the throttle return spring (2).
- Tighten the drain plug (1). Return or retain the fuel injection pump as required.
If necessary, a replacement fuel injection pump may be obtained. Refer to Disassembly and Assembly, "Fuel Injection Pump - Install" for the correct procedure to install a replacement fuel injection pump.