Complete workshop repair service manual with electrical wiring diagrams for Caterpillar D399, G399, D398, G398, D379, G379 ENGINES. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

Caterpillar D399, G399, D398, G398, D379, G379 ENGINES service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

REG476 - Disassembly and Assembly (D399, G399, D398, G398, D379, G379 ENGINES Engine Attachments).pdf
REG476 - General Service Information (D399, G399, D398, G398, D379, G379 ENGINES).pdf
REG476 - Specifications (D399, G399, D398, G398, D379, G379 ENGINES).pdf
REG476 - Specifications (D399, G399, D398, G398, D379, G379 ENGINES Engine Attachments).pdf
REG00476 - Systems Operation (D399, G399, D398, G398, D379, G379 ENGINES Engine Attachments).pdf
REG00476 - Testing And Adjusting (D399, G399, D398, G398, D379, G379 ENGINES Engine Attachments).pdf
SEBR511 - Disassembly and Assembly (D379, D398, D399 INDUSTRIAL & MARINE ENGINES).pdf
SEBR511 - Specifications (D379, D398, D399 INDUSTRIAL & MARINE ENGINES).pdf
SEBR0511 - Systems Operation (D379, D398, D399 INDUSTRIAL & MARINE ENGINES).pdf
SEBR0511 - Systems Operations (D379, D398, D399 I & M Engine Attachments).pdf
SEBR0511 - Testing and Adjusting (D379, D398I on Engine Attachments).pdf
SEBR0511 - Testing And Adjusting (D379, D398, D399 INDUSTRIAL & MARINE ENGINES).pdf

EXCERPT:
1. Turn the fuel valve to the "OFF" position.
2. Remove the bolt (1) from the clamp that holds fuel line to accessory drive housing.
3. Disconnect the fuel lines (2) from the pump. Remove the two bolts (3) that hold pump to accessory housing. Remove fuel transfer pump (4).
4. Inspect and make a replacement of O-ring seal (5) if necessary.
5. Install new gasket (6) on the accessory drive housing.
6. Put the fuel transfer pump (4) on the engine. Install the two bolts that hold pump to housing. Connect fuel lines (2) to the pump. Install bolt (1) that holds clamp to housing. Turn the fuel valve to the "ON" position.
Disassemble Fuel Transfer Pump
...
Caterpillar D399, G399, D398, G398, D379, G379 ENGINES Factory Service & Shop Manual