Portable Rail Bolt Wrench

1. Scope of Application

The NLB-500 portable internal screw driver is a high-performance tool with its own two-stroke gasoline engine power source. It is the lightest of the impact wrenches, can be a small engine to generate a lot of torque, it weighs only 18kg. well-balanced, can stand vertically, the operating switch is located within the reach of the operator, the operation is more convenient, but also can be horizontally lowered on the fishtail plate bolts to carry out the work of the work. Since it comes with a gasoline engine power source, it can be easily carried by a single person to any construction site, such as: rainforests, mountains or deserts, as well as remote areas where there are no electrical facilities or air compressors or generators on site. It can be used for bolts up to M32mm, and is most suitable for loosening and tightening bolts on railroad ties and other bolts.

 

1. Technical Parameter

1. Engine: Two – stroke petrol engine 1E50F
2. Rated rpm: 9500r / min
3. Rated power: 2.2kw
4. Spindle speed: 800r / min
5. Torque: ≥ 500N.m
6. Machine weight:19kg
7. Overall size: 830 × 280 × 380mm 8. Socket size: M24 (we also can design according to the requirement of the customer)

 

 

 

Basic structure and working principle

1,Basic structure: The internal combustion engine wrench consists of a small two-stroke gasoline engine, gear box, reversing handle, handhold, impact device, working sleeve and other parts.

2, working principle: the rotating torque of the engine, through the clutch, gear reversing and decelerating mechanism, to realize the rotating torque of the reversing and decelerating, and then through the force device to generate the impact energy, through the work of the socket on the bolt to realize the loosening and tightening operations, simple and convenient.

 

Technical maintenance

The user should carry out regular maintenance and occasional repairs to keep the machine in good condition, poorly maintained equipment can become a safety hazard! We recommend overhauling by an authorized seller. If the user has the proper tools, overhauling information, and the ability to machine the machine, he or she can do so as described below.

NOTE: Improper maintenance can seriously affect the life and performance of the machine.

1. Maintenance cycle schedule

Contents

Maintenance work

Maintenance Time

Air filter fastening clamp

Loose or damaged

Daily

Fuel tank:Tighten fuel cap, replace if necessary.

Throttle cable: Damaged, stuck, replace if necessary

Tools:Replace if necessary

Air filter: Clean or replace

Weekly

Cylinder:Remove dirt

Fasteners:Loose or not, replace if necessary

Ignition:Clean spark plugs, check ignition gap

Monthly:Reversing handwheel

Check handwheel for looseness, check reversing pin, tighten if necessary, and replace.

80 hours

Gears

Open box and refill with lubricant

100 hours

2. Air filter maintenance

A dirty air filter will prevent air from entering the carburetor, resulting in carburetor malfunction and increased wear and tear on the gasoline engine, resulting in insufficient output, the air filter should be maintained regularly. Especially when the machine is used in very dusty places with harsh working conditions, the air filter should be cleaned several times.

If the mesh of the air filter is clogged with dirt, clean the air filter in half along the fastening surface with gasoline. Blow from the inside out when using compressed air. When combining the separated air filters, the

CAUTION: Do not allow dirt to enter the engine air intake during cleaning, otherwise engine damage will result.

 

3. Spark Plug Maintenance

In order to ensure the normal operation of the engine, the gap of the spark plug must be moderate and free of deposits. The reasonable gap of spark plug is 0.5mm, which should be checked frequently and adjusted if it is too big or too small. Such as Figure III.

Note: It is forbidden to use spark plugs with incorrect calorific value, this machine spark plug model LD. NHSPL7T.

4. Screws

Check and re-tighten the screws after 8 hours of use of the new machine, apply thread sealant at the sealing place of the case, and check once a week thereafter.

 

 

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