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  3. B737 fuselage jack - Instruction manual

B737 fuselage jack - Instruction manual

B737 fuselage jack - Instruction manual
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B737 fuselage jack - Instruction manual

Product catalog summary
Foreword
Shanghai Junxun Aviation Technology Co., Ltd. is a leading manufacturer of aircraft maintenance tools and ground equipment, with over a decade of experience and a team of more than 20 engineers. The company is committed to continuous development and innovation to enhance product performance and quality.

Ⅰ. Product Features
The B-737 fuselage jack offers both pneumatic and manual operation modes, reducing manual labor. It features three heavy-duty spring universal wheels for easy movement and docking with aircraft. The surfaces of critical components are treated for high hardness and corrosion resistance, extending product life. It includes double manual hydraulic pumps and gas-liquid booster pumps for efficient operation.

Ⅱ. Application Range
This product is designed for the overall jacking and lifting of B737 aircraft.

Ⅲ. Technical Parameters
The manual and pneumatic aircraft jack parameters include:
  • B737 Tail Jack: Capacity 15T, Min. Height 2438mm, Max. Height 3810mm
  • B737 Nose Jack: Capacity 15T, Min. Height 1524mm, Max. Height 2896mm
  • B737 Wing Jack: Capacity 40T, Min. Height 1524mm, Max. Height 3048mm

Ⅳ. Product Structure
The jacks are composed of various components including oil cylinder, main body bracket, fuel tank, piston, adjusting screw, and pumps. A detailed diagram is provided in the manual.

Ⅴ. Check Before Operation
Before using the jack, ensure the hydraulic oil level is sufficient, check for damage on the hydraulic cylinder and pipelines, and verify the functionality of manual and pneumatic pumps.

Ⅵ. Operation
To operate, position the jack under the aircraft, connect the air source, and balance the lifting speeds to avoid damage. Follow safety procedures to prevent accidents during operation and storage.

Ⅶ. Troubleshooting
Common issues include oil leakage and pump failures. Solutions involve tightening components, replacing damaged parts, and ensuring proper oil levels.

Ⅷ. Matters Needing Attention
Avoid using the jack at super height or overload, prevent strong vibrations during transport, and maintain cleanliness to prevent corrosion.

Ⅸ. Regular Inspection
The jack requires annual inspections for calibration and pressure tests, with a comprehensive inspection every three years.

Ⅹ. Packing List
The package includes a B-737 fuselage jack, operating rod, and instruction manual.

Diagrams
The manual includes detailed diagrams of the hydraulic cylinder and pump body structures, listing all components and their quantities.
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Catalog excerpts

B737 fuselage jack - Instruction manual-1

Instruction manual Shanghai Junxun Aviation Technology Co.,Ltd. E-mail: [email protected] Tel:+86-19979533636 Web:www.jxavtech.com Add: Room 515,Building D,No 399 Jianyun Road, Pudong New District,Shanghai,China

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B737 fuselage jack - Instruction manual-2

JXHK-GB-1775 Type JXHK-GB-1777 Type JXHK-GB-1779 Type B-737 fuselage jack Instruction manual Foreword Our company is a designated manufacturer of aircraft maintenance tools and ground equipment for major airlines in the country, and has more than 20 engineers and scientific researchers who have been engaged in the development of tools and ground equipment for more than ten years. Based on the concept of "continuous development and continuous innovation", the company continuously improves the performance and quality of its products. Ⅰ. Product Features 1. The aircraft jack of this model adopts...

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B737 fuselage jack - Instruction manual-3

JXHK-GB-1775 Type JXHK-GB-1777 Type JXHK-GB-1779 Type Instruction manual Ⅲ.Technical parameters Table 1 Manual and pneumatic aircraft jack parameter table Hydraulic lifting height Ⅳ.Product structure JXHK-GB-17 series aircraft jacks are mainly composed of oil cylinder, main body bracket, fuel tank, piston, adjusting screw, low pressure pump, high pressure pump, pneumatic pump, casters, oil drain valve and other parts. (See

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B737 fuselage jack - Instruction manual-4

JXHK-GB-1775 Type JXHK-GB-1777 Type JXHK-GB-1779 Type B-737 fuselage jack Instruction manual JXHK-GB-1775,JXHK-GB-1777,JXHK-GB-1779 Type jack diagram 1. Adjusting screw 2. Piston 3. Oil cylinder 4. Fuel tank 5. Bracket main body 6. Drawbar assembly 7. Caster fixed plate 8. Caster 9. Oil pipe 10. Fuel tank cap 11. Oil drain valve, 12, Level bead 13. Valve body 14. Low pressure pump 15 Lifting handle 16. High pressure pump 17. Pneumatic pump 18. Pressure rod

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B737 fuselage jack - Instruction manual-5

JXHK-GB-1775 Type JXHK-GB-1777 Type JXHK-GB-1779 Type B-737 fuselage jack Instruction manual Hydraulic schematic Tighten the handle of the oil drain valve clockwise. At this time, operate the manual pump or use the air source through the pneumatic pump to make the pressure oil enter the bottom of the oil cylinder through the valve body, so that the oil cylinder can be lifted quickly and the aircraft can be jacked up. Ⅴ.Check before operation Before each use of the jack, it must be strictly checked 1. Check whether the hydraulic oil in the fuel tank is sufficient, and the liquid level must reach...

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B737 fuselage jack - Instruction manual-6

JXHK-GB-1775 Type JXHK-GB-1777 Type JXHK-GB-1779 Type B-737 fuselage jack Instruction manual Ⅵ.Operation 1. When jacking up the plane, push the jack under the plane, tighten the oil drain valve handle clockwise, and unscrew the adjusting screw so that the concave surface on the adjusting screw is aligned with the convex surface on the plane. It can be lifted, otherwise it cannot be lifted. 2. Quickly connect the air source connector with the air source interface on the jack, and then pull down the handle of the pneumatic valve. When you hear the sound of the pneumatic pump, the piston in the...

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B737 fuselage jack - Instruction manual-7

JXHK-GB-1775 Type JXHK-GB-1777 Type JXHK-GB-1779 Type B-737 fuselage jack Instruction manual Ⅶ. Troubleshooting and troubleshooting The common failures of the jack, the causes of the failure and the troubleshooting methods (Table 2) Elimination method 1. Tighten the pump body threaded connection 2. The copper rectangular rectangular ring between the pump body and the pump seat The hydraulic pump 1. The O-ring of the pump Replace O-rings leaks oil from the dust core is damaged ring Replace the pump core 2. The pump core is worn replace the pump body or scratched 3. The pump body is damaged or...

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B737 fuselage jack - Instruction manual-8

JXHK-GB-1775 Type JXHK-GB-1777 Type JXHK-GB-1779 Type B-737 fuselage jack Instruction manual 1. Lack of oil in the fuel Refueling (No. 10 or No. pump cannot be sucked handle to tilt the pump 3. The O-ring of the pump core up and down to core is damaged exhaust and replace the pump core O-ring Can't hold the pressure 1. The one-way valve in 1. Repair check valve the pump seat fails 2. Replace the check valve valve stem down the full stroke several times without 5. The piston or cylinder 5. Replace the O-ring on O-ring is damaged 6. Repair the valve body the valve body fails check valve, remove...

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B737 fuselage jack - Instruction manual-9

JXHK-GB-1775 Type JXHK-GB-1777 Type JXHK-GB-1779 Type Instruction manual Ⅷ.Matters needing attention 1. Do not use the jack at super height or overload to avoid damage to the jack and danger; 2. The horizontal bubble cannot be adjusted during use (the three-dimensional has been adjusted at the factory); 3. Avoid strong vibrations and bumps during transportation to prevent damage to the jack tubing and pipe joints; 4. Jack push-pull speed <10km/hour; 5. When the jack is not in use, the piston and pump core should be pressed down to keep it clean and prevent corrosion. Ⅸ . The jack is regularly...

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B737 fuselage jack - Instruction manual-10

JXHK-GB-1775 Type JXHK-GB-1777 Type JXHK-GB-1779 Type B-737 fuselage jack Instruction manual Hydraulic cylinder structure diagram Oil tank piston screw rod installation block main cover Screw set the head Piston PTFE retaining ring Piston O-ring rubber seal Piston guide ring shaft retaining ring Piston guide sleeve

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B737 fuselage jack - Instruction manual-11

JXHK-GB-1775 Type JXHK-GB-1777 Type JXHK-GB-1779 Type B-737 fuselage jack Instruction manual Pump body structure diagram Pressure rod Connector pin PTFE retaining ring O-ring rubber seal pump body pump core Copper washer valve body Connecting rod pin Connecting rod seat O-ring rubber seal Steel ball(φ8) Steel ball(φ8) Pressure limiting

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