Marshall electric compactor common faults and troubleshooting - Database & Sql Blog Articles

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product name

]

MDJ-IIA

Marshall electric compactor

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Product introduction

]

It can realize automatic counting, automatic compaction and automatic shutdown. There are also hammer holders and manual handles for easy hammer lifting. The semi-automatic die-pressing device is more convenient for taking and placing the die.

The main technical parameters:

Drop hammer:

(475±1.5) mm

Number of hammers:

60±5

Times

/

Minute

The number of presets:

0-99

Times

Hammer weight:

4536±5g

Test tube diameter:

101.6mm

Precautions for use

1

. The counter counts in a positive count.

2

. The next time you hit the real time, press the reset button first, then press the start button.

3

. Press the stop button while the compaction is in progress or the machine is malfunctioning

,

Stop the compactor.

4.

The tension of the chain should be checked regularly if its deflection is greater than

10mm

It should be adjusted.

5.

When there is no mix

,

Do not activate the compactor. When not in use, place cotton yarn or shredded paper in the test mold.

6.

Lubricate the sliding parts of the chain and the weight regularly.

7.

After each compaction, the test mold, compaction head and steel plate platform should be cleaned.

8.

The tension between the steel plate platform and the concrete base should be checked frequently.

Operating procedure

First, connect the three plugs behind the cabinet.

"

Motor

”

To connect to the cabinet motor input,

"

Contactless proximity switch

”

Received a counting socket.

"

power supply

”

Connect to the power socket, and the zero line must be connected.

Second, after the above work is done, pull

"

Preset

”

Draw the dial, you can click the number of times you want from

1

Set to

99

Times. Turn on the digital tube display on the power switch panel

"00"

The power indicator light is on.

Third, press the start button controller to start working, the status light is on, the digital light is displayed

"00"

When the motor rotates, the hammer is compacted. Each time the digital tube is added, the number is increased. After the set hit, the motor stops and the indicator is off.

4. Press the pause button, the work stops, the status indicator is off, press the start button again, the work returns to normal, if there is any abnormality in the work, press the pause button, then the digital tube displays the number of hits. After an experiment, press the clear key first, then press the start key

Main Specifications

Drop hammer:

(475±1.5) mm

Number of hammers:

60±5

Times

/

Minute

The number of presets:

0-99

Times

Hammer weight:

4536±5g

Test tube diameter:

101.6mm

Common faults and troubleshooting

1

During work, there is no lifting of the hammer or the hammer is removed during the lifting process. Check if the drive chain is loose. If it is loose, adjust the rear adjustment bolt. If the shrapnel on the hammer is damaged, it needs to be replaced. It is too heavy to pick the hammer and the hammer button.

2

The number on the display shows an abnormality or no count. Check the proximity switch at the upper drive wheel for looseness or too close.

3

The entire display is not displayed when the power switch is turned on. Check if the power supply is normal or if the fuse is blown after the distribution box.

4

In the process of lifting the hammer, it can be lifted together with the guide bar. Whether the chain is too loose, there is no lubricant or dirt on the guide bar.

Method of operation

a

. Before each compaction, the compaction head, the inner wall of the test mold and the test mold base should be brushed with oil.

b.

Open the safety door, lift the rail slide and weight, and lock the compaction head with the safety lever.

c.

According to the specifications, the mixed asphalt mixture is placed in the test mold, and the test mold is pushed into the test mold positioning pin of the steel plate platform to lock the test mold.

d.

Lift the guide rod and the weight, open the safety lever, put down the compaction head, close the safety door, press the start button to start the compaction, and automatically turn off the set number of times.