Merlo DBM2500EV Operation and Meintenance handbook [PDF] ENG

This PDF manual helps operators, machine owners, and service technicians better understand the construction, controls, operation, and routine maintenance of the Merlo DBM 2500 EV self-loading concrete mixer.

The manual explains the control panels in both operator positions, control levers, driving and steering modes, mixing drum, loading bucket, water pump, discharge chute, and ground-level controls. It also describes how to operate the drum for concrete loading and unloading, use the water litre counter, and control the machine’s various working movements.

The manual includes

• Illustrated identification of the machine’s main components and controls;
• Technical specifications, dimensions, and fluid capacities;
• Instructions for the cab, seat, seat belt, doors, and windows;
• Explanations of dashboards, switches, indicators, and warning lights;
• Starting procedures, daily inspections, and safe driving instructions;
• Requirements for driving on public roads;
• Ground-level controls for drum rotation, drum lifting, and chute adjustment;
• Fuel, oil, grease, and technical fluid specifications;
• Maintenance schedules at 10, 50, 400, 800, and 1,600 operating hours;
• Filter replacement, lubrication, fluid checks, and other routine maintenance procedures;
• Periodic safety inspection and registration tables;
• Basic troubleshooting for the hydraulic, electrical, and braking systems;
• Instructions for starting the engine with an external battery and releasing the parking brake in an emergency;
• Hydrostatic transmission and hydraulic system diagrams;
• Fuse and relay locations and functions;
• Instructions for optional equipment, including drum remote control, hydraulic weighing system, high-pressure water pump, and differential lock.

The maintenance section provides not only the required service procedures but also the specified intervals and information about the correct oils, lubricants, and fluids.

The periodic safety inspection section includes checks at intervals of 250 operating hours or two months, 500 operating hours or six months, and 1,000 operating hours or one year.

The document also contains hydrostatic transmission and main hydraulic system diagrams, together with information about the electrical system, battery, fuses, and relays.

Machine specifications listed in the manual

The manual applies to a machine with the following principal specifications:

• Concrete output: 2,500 litres;
• Geometric drum capacity: 3,500 litres;
• Loading bucket capacity: 700 litres;
• Water tank capacity: 800 litres;
• Engine: Perkins 1104D.44T Turbo;
• Power: 74.5 kW / 101 HP;
• Hydrostatic transmission;
• Three steering modes.

Product information

Manufacturer: Merlo
Model: DBM 2500 EV
Document type: Operation and Maintenance Manual
Manual reference: DBM2500-04
Application: From SAV C040451 onwards
Language: English
Format: Digital PDF file
Number of pages: 174 pages

Important information before purchase

Before purchasing, please check your machine model and SAV or serial number. Some optional equipment described in the manual may not be installed on every machine.

This is an operator and routine maintenance manual. It does not replace a spare parts catalogue or a complete workshop repair manual. For complex engine or hydrostatic transmission repairs, the document recommends using the relevant separate service manuals or contacting a qualified service technician.