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HMB Hydraulic Breakers Troubleshooting And Solution

This guide has been prepared to aid the operator to locate the problem cause and then remedy when trouble has occurred. If trouble has been caused, obtain details as following checkpoints and contact people's local service distributor.

This guide has been prepared to aid the operator to locate the problem cause and then remedy when trouble has occurred. If trouble has been caused, obtain details as following checkpoints and contact people's local service distributor.

CheckPoint

Cause

1. Spool stroke is insufficient. After stop engine, depress the pedal and check if the spool moves full stroke.

2. Hose vibration becomes bigger at hydraulic breaker operation. The high-pressure line oil hose vibrates excessively. (Accumulator gas pressure is lowered)The low-pressure line oil hose vibrates excessively. (Backhead gas pressure is lowered)

3. Piston operates but does not strike the tool. (Tool shank is damaged or seizing)

4. Hydraulic oil is insufficient.

5. Hydraulic oil is deteriorated or contaminated. Hydraulic oil color change to white or no viscous. (white-colored oil contains air bubbles or water.)

6. Line filter element is clogged.

7. Impact rate increases excessively. (Breakage or maladjustment of valve adjuster or nitrogen gas leakage from the back head. )

8. Impact rate decreases excessively. (Backhead gas pressure is excess.)

9. Base machine meander or weak at traveling. (Base machine pump is the defective improper set of main relief pressure.)

Remedy

1. Adjust pedal link and control cable joint.

2. Recharge with nitrogen gas or check. Recharge with gas. If the accumulator or back head is recharged but gas leaks at once, the diaphragm or charging valve may be damaged.

3. Pull out the tool and check. If the tool is seizing, repair with a grinder or change the tool and/or tool pins.

4. Refill hydraulic oil.

5. Change all hydraulic oil in the hydraulic system of the base machine.

6. Wash or replace the filter element.

7. Adjust or replace the damaged part and check nitrogen gas pressure in the back head.

8. Adjust nitrogen gas pressure in the backhead.

9. Contact base machine service shop.

High Quality Excavator Hydraulic Earth Auger For Excavators For Sale

HMB hydraulic excavator earth auger is a critical attachment for forming operation of fencing, tree planting, telecom, electric power, municipal garden, highroad, railway etc.

HMB eacavator Hydraulic earth auger is mainly composed with power head and auger. The power head and auger are fixed together. Auger is composed of screw blade and bit on the end of the auger, there is also teeth on the end of the auger. Simple construction, stronger drill ability, low production cost, high flexibility.

Features of HMB Earth Auger

1. High efficiency: Compared with traditional manual digging, the efficiency is increased by more than a hundred times.

2. Simple operation: 1-2 operators, easy to operate

3. High quality of operation: adopts the front-type design of the drill bit, easy to find the drill point, and the depth is deep

4. Strong adaptability: can still work in various difficult environments

5. Wide application range: It can be applied to municipal engineering, greening engineering, construction engineering, etc.

original source: https://www.hmbhydraulicbreaker.com/news/hmb-hydraulic-breakers-trouble-shooting-and-solution/

Media Contact
Company Name: Yantai Jiwei Construction Machinery Equipment Co., Ltd.
Email: Send Email
Phone: 86-535-6536726
Country: China
Website: https://www.hmbhydraulicbreaker.com/


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