Bosch Pes4a Manual !exclusive!

Bosch PES4A

The is an in-line fuel injection pump commonly used in diesel engines like the Mercedes-Benz OM636 and various Nanni marine engines. Because it is a specific component, its "manual" is often a section within a larger engine workshop manual or a technical instruction for the Bosch PE series . Core Operation & Maintenance

Bosch PES4A is a classic "Size A" in-line diesel injection pump commonly found on 4-cylinder engines like the Mercedes-Benz OM636 or various bosch pes4a manual

• Type: 4-Zone Expansion Module
• Compatibility: MAP, UEZ, or compatible Bosch control panels.
• Power Supply: 12V DC (typically derived from the main panel).
• Current Draw: ~35 mA (quiescent).
• Addressing: DIP switch (binary) for zones 5-8, 9-12, etc.
• Connection: 4-wire RS-485 bus (A, B, +12V, GND).

Configuration & Calibration

Power Output

: Operates typically between 1500–1800 RPM, supporting outputs from 40 kW to 60 kW. Maintenance & Service Insights WORKSHOP MANUAL Bosch PES4A The is an in-line fuel injection

Before performing any service, you must correctly identify your specific pump model using the ID tag typically found on the side of the pump housing. A standard code like "PES 4A 90 D 410" can be decoded as follows: Bosch PES4A Diesel Engine Manual - Fuel Injection - Scribd Type: 4-Zone Expansion Module Compatibility: MAP, UEZ, or