ST-45HRM CE CONCRETE PUMP— MAINTENANCE (PUMP)

EMERGENCY STOP SWITCH FUNCTIONALTEST

There are 2 emergency stop switches on the ST-45 concrete pump. Follow the procedure below to test the switches to make sure that they are both working correctly.

1.Start the pump as outlined in the start-up procedure.

2.Let the engine run for a few minutes.

3.While the engine is running, press the RED emergency stop pushbutton switch on the control box.

4.Verify that the engine has STOPPED. If the engine has stopped it can be determined that the emergency stop circuit is functioning correctly.

5.If the engine continues to run after the emergency stop switch has been activated, turn the ignition switch key to the OFF position and correct the problem using the wiring diagrams provided in the manual.

6.Pull and turn clockwise the emergency stop switch on the control box.This will allow the engine to be started again.

7.Repeat steps 1 through 5 for the RED emergency stop switch on the other side of the pump, located near the heat exchanger.

PROXIMITY SWITCH FUNCTIONALTEST

There is one proximity switch located near the hopper grate.The purpose of this switch is to stop the engine in the event the grate is lifted during operation of the pump.

Follow the procedure below to test the proximity switch to make sure it is working correctly.

1.Remove the two U-clamps that secure the hopper grate to the hopper.This will allow the grate to be lifted.

1.Start the pump as outlined in the start-up procedure.

2.Let the engine run for a few minutes.

3.While the engine is running, lift the splash plate, then the hopper GRATE.

4.Verify that the engine has STOPPED. If the engine has stopped it can be determined that the grate engine stop circuit (proximity switch) is functioning correctly.

5.If the engine continues to run after the grate has been lifted , turn the ignition switch key to the OFF position and correct the problem using the wiring diagrams provided in the manual.

6.Re-install the two U-clamps that secure the hopper grate to the hopper.

EXTENDED STORAGE INSTRUCTIONS

The following preventative maintenance is recommended for extended periods of storage.

1.Check brake system for proper fluid level in master cylinder and bleed all lines.

2.Lubricate all links and pivots to prevent any rusting.

3.Remove wheel and drum assemblies and spray a good anti- corrosion compound (CRC formula 5-56) under rubber boot on forward end of brake wheel cylinder. Avoid spraying drum and brake lining.

4.Grease all bearings and reinstall wheel and drum assemblies.

5.Make sure breakaway cable is fully released.

6.After extended storage, refer to the Maintenance Steps listed above to insure that the trailer is ready for towing.

PAGE 58 — MAYCO ST-45HRM CE PUMP — OPERATION & PARTS MANUAL — REV. #0 (02/23/04)

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Multiquip ST-45HRM CE Emergency Stop Switch Functionaltest, Proximity Switch Functionaltest, Extended Storage Instructions
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ST-45HRM CE specifications

The Multiquip ST-45HRM CE is a robust and versatile machine designed for a variety of heavy-duty applications, particularly in construction and industrial settings. Known for its durability and efficiency, the ST-45HRM CE stands out due to its combination of advanced technology, user-friendly features, and powerful performance, making it an ideal choice for professionals seeking reliable equipment.

One of the main features of the ST-45HRM CE is its powerful engine. It is equipped with a high-performance diesel engine that provides exceptional reliability and fuel efficiency. This engine allows the machine to achieve high-performance levels while minimizing operational costs, making it a cost-effective solution for various jobs. Additionally, the engine meets stringent environmental regulations, ensuring compliance with the latest emission standards.

The ST-45HRM CE is designed with operator comfort and safety in mind. One of its key characteristics is the spacious and ergonomically designed operator platform that allows for easy access and enhanced visibility. The controls are intuitively placed, providing excellent maneuverability and reducing operator fatigue during long working hours. Moreover, safety features such as emergency shut-off switches and protective enclosures are built into the design, ensuring a safer working environment.

In terms of technology, the ST-45HRM CE is equipped with advanced hydraulic systems that enhance its lifting capabilities. This machine is capable of lifting loads up to 45 tons, making it suitable for heavy materials and equipment. The hydraulic system is designed for smooth operation, allowing for precise control and optimal performance in various applications, including lifting, transportation, and heavy-duty towing.

Maintenance is another consideration where the ST-45HRM CE excels. It features easy access points for routine checks and repairs, reducing downtime and operational costs associated with maintenance. The components are engineered for longevity, ensuring that the machine can withstand the rigors of continuous use in demanding environments.

Overall, the Multiquip ST-45HRM CE is a standout in its category, boasting an exceptional blend of power, efficiency, and user-centric design. With its advanced features, safety technologies, and ease of maintenance, it is ideal for professionals in construction, industrial lifting, and other heavy-duty applications, providing a reliable solution to meet their needs.
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