Troubleshooting

Troubleshooting

To reduce the risk of serious injury, whenever you are instructed to relieve pressure, always follow the Pres- sure Relief Procedure on page 11.

•Relieve the pressure before checking or servicing the equipment.

•Check all possible problems and causes before dis- assembling the pump.

PROBLEM

CAUSE

SOLUTION

 

 

 

Pump cycles at stall or fails to hold

Worn check valve balls (301), seats

Replace. See 18.

pressure at stall.

(201) or o-rings (202).

 

 

 

 

Pump will not cycle, or cycles once

Air valve is stuck or dirty.

Disassemble and clean air valve. See

and stops.

 

page 16. Use filtered air.

 

 

 

 

Check valve ball (301) severely

Replace ball and seat. See page 18.

 

worn and wedged in seat (201) or

 

 

manifold (102 or 103).

 

 

 

 

 

Check valve ball (301) is wedged

Install Pressure Relief Valve

 

into seat (201), due to overpressur-

(see page 10).

 

ization.

 

 

 

 

 

Dispensing valve clogged.

Relieve pressure and clear valve.

 

 

 

Pump operates erratically.

Clogged suction line.

Inspect; clear.

 

 

 

 

Sticky or leaking balls (301).

Clean or replace. See page 18.

 

 

 

 

Diaphragm ruptured.

Replace. See pages 19-21.

 

 

 

 

Restricted exhaust.

Remove restriction.

 

 

 

Air bubbles in fluid.

Suction line is loose.

Tighten.

 

 

 

 

Diaphragm ruptured.

Replace. See pages 19-21.

 

 

 

 

Loose inlet manifold (102), dam-

Tighten manifold clamps (113), or

 

aged seal between manifold and

replace seats (201) or o-rings (202).

 

seat (201), damaged o-rings (202).

See page 18.

 

 

 

 

Loose diaphragm shaft bolt (107).

Tighten or replace (pages 19-21).

 

 

 

 

Damaged o-ring (108).

Replace. See pages 19-21.

 

 

 

Chattering - noisy operation.

Check valve balls do not seat prop-

Reduce size/diameter of inlet line rela-

 

erly/cleanly due to imbalance

tive to outline line. Outlet line size

 

between fluid inlet and outlet line

should not exceed pump size.

 

sizing. Noise is accentuated with

 

 

light viscosity fluids.

 

 

 

 

14

311879F

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Hitachi FD2 1590 important safety instructions Troubleshooting, Problem Cause Solution
Page 13 Page 15

FD2 1590 specifications

The Hitachi FD2 1590 is a noteworthy addition to the world of industrial and commercial machinery, designed to meet the evolving needs of businesses that require robust, dependable equipment for their heavy-duty operations. This machine is engineered for versatility, equipped to handle a variety of tasks efficiently.

One of the standout features of the Hitachi FD2 1590 is its powerful engine, which delivers impressive torque and horsepower. This allows the equipment to perform effectively in challenging conditions, providing the necessary force to tackle tough terrains and heavy loads. The fuel efficiency of the engine also contributes to reduced operational costs, making it a cost-effective solution for businesses.

The FD2 1590 embraces advanced technologies that enhance its operational capabilities. Among these technologies are sophisticated hydraulic systems that allow for smooth operation and precise control. This ensures that the machine can carry out tasks such as lifting, moving, and digging with greater accuracy and ease. The hydraulic system is designed for quick response times, enabling operators to navigate their workload efficiently.

Durability is a hallmark of the Hitachi FD2 1590, as it is constructed with high-quality materials that withstand the rigors of daily use. The robust frame and components are designed to resist wear and tear, minimizing maintenance needs and extending the lifespan of the equipment. This reliability is crucial for businesses that depend on their machinery for consistent performance.

Operator comfort and safety are also key considerations in the design of the FD2 1590. The operator's cabin is spacious and ergonomically designed, providing easy access to controls and excellent visibility of the work area. Safety features such as reinforced structures, emergency shut-off systems, and stability controls further enhance the protection of both the operator and the machine.

In terms of technological integration, the Hitachi FD2 1590 is compatible with various monitoring systems that streamline operations. These systems offer data analytics capabilities that allow operators to track performance metrics, fuel consumption, and maintenance schedules in real-time. This connectivity not only optimizes machine efficiency but also informs better decision-making for operational improvements.

In summary, the Hitachi FD2 1590 is a powerful, durable, and technologically advanced machine, ideal for heavy-duty applications. Its performance capabilities, alongside its operator-friendly design and safety features, make it a valuable asset for any business looking to enhance its operational efficiency.
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