Jacton Industry JTC Series Machine Screw Jack Maintenance Manual Caution


Quick Details


Car Jack

Place of Origin:

Zhejiang, China

Brand Name:


Model Number:

JTC2.5, JTC5


Mechanical Jack


1 Years

Min Height:


Product Name:

Machine Screw Jack Maintenance Manual


Worm Shaft, Worm Gear, Gearbox, Trapezoidal Screw, Bearing, Sealing

Load Capacities:

2.5 KN, 5 KN, 10 KN, 25 KN, 50 KN, 100 KN, 150 KN, 200 KN, 250 KN

Mounting Types:

Upright or Inverted

Screw Design:

Translating Screw, Keyed Screw, Rotating Screw


Customized, 0-7500mm

Worm Gear Ratios:

5:1, 6:1, 7:1, 9:1, 10:1, 16:1, 20:1, 24:1, 28:1, 36:1, 40:1, 56:1

Lifting Screw Ends:

Top Plate, Clevis End, Thread End, Plain End, or Customized

Input Types:

Drive Shafts, Motor Flange, or Both

Supply Ability

Supply Ability:
6210 Piece/Pieces per Month

Packaging & Delivery

Packaging Details
Strong Exporting Plywood Cases (International Exporting Standard Wooden Material with Free Fumigation).
Shenzhen, Guangzhou, Hongkong
Picture Example:

Lead Time
Quantity(Pieces) 1 – 10 11 – 30 31 – 50 >50
Est. Time(days) 10 14 18 To be negotiated

Online Customization

Video Description

Jacton Industry JTC Series Machine Screw Jack Maintenance Manual Caution


Jacton Industry JTC Series Machine Screw Jack Maintenance Manual Caution: Read this manual before installation or operation of JACTON screw jacks. Failure to understand this manual, installation or operation screw jack properly could result in damage to the jack and or serious personal injury.
1. Do not exceed the jack ratings including design load capacity, travel length, and input speed. Install, align and shield all moving parts properly. Proper machinery installation practices should be followed. Safety codes for mechanical power transmissions apparatus are to be followed. Check for and adhere to all applicable safety codes. Bolts should be sized to fit the jack mounting holes, at least grade 5 and tightened to the appropriate torque. Mounting bases should be flat and sufficiently strong to support the load. Properly lubricate and maintain the JACTON product. Use the jack only for the intended application. Failure to install, use, or maintain JACTON products could result in product failure and personal injury.
2. This operation manual is applicable to all jacks models. Note: Information represents typical configuration and may difference slightly from the actual jack being installed or repaired. The maintenance instruction provides recommendations of safe and efficient approach to installation or service repair problems.
When an operating situation occurs, refer to the troubleshooting guide to isolate cause. When applicable, guides are listed by symptom followed with suggestions of probable causes.
3. Once the source of the problem is identified, consult JACTON engineers for disassembly and re-assembly procedures guides for recommended repair procedures.


JTC2.5 Mini Screw Jack
1.lifting force 2.5kN
2.acme screw diam 14mm
3.acme screw pitch 4mm
4.gear ratio 1/5, 1/20
5.self-locking acme screw
JTC5 Cubic Screw Jack
1.lifting force 5kN
2.acme screw diam 18mm
3.acme screw pitch 4mm
4.gear ratio 1/5, 1/20
5.self-locking acme screw
JTC10 Cubic Screw Jack
1.lifting force 10kN
2.acme screw diam 20mm
3.acme screw pitch 4mm
4.gear ratio 1/5, 1/20
5.self-locking acme screw
JTC25 Cubic Screw Jack
1.lifting force 25kN
2.acme screw diam 30mm
3.acme screw pitch 6mm
4.gear ratio 1/6, 1/24
5.self-locking acme screw
JTC50 Cubic Screw Jack
1.lifting force 50kN
2.acme screw diam 40mm
3.acme screw pitch 7mm
4.gear ratio 1/7, 1/28
5.self-locking acme screw
JTCH50 Through-holes Jack
1.lifting force 50kN
2.acme screw diam 40mm
3.acme screw pitch 7mm
4.ratio 1/7, 1/14, 1/28
5.self-locking acme screw
JTC100 Cubic Screw Jack
1.lifting force 100kN
2.acme screw diam 55mm
3.acme screw pitch 9mm
4.gear ratio 1/9, 1/36
5.self-locking acme screw
JTC150 Cubic Screw Jack
1.lifting force 150kN
2.acme screw diam 60mm
3.acme screw pitch 9mm
4.gear ratio 1/9, 1/36
5.self-locking acme screw
JTC200 Cubic Screw Jack
1.lifting force 200kN
2.acme screw diam 70mm
3.acme screw pitch 10mm
4.gear ratio 1/10, 1/40
5.self-locking acme screw
JTC250 Cubic Screw Jack
1.lifting force 250kN
2.acme screw diam 80mm
3.acme screw pitch 10mm
4.gear ratio 1/10, 1/40
5.self-locking acme screw
JTC350 Cubic Screw Jack
1.lifting force 350kN
2.acme screw diam 100mm
3.acme screw pitch 10mm
4.gear ratio 1/10, 1/40
5.self-locking acme screw
JTC500 Cubic Screw Jack
1.lifting force 500kN
2.acme screw diam 120mm
3.acme screw pitch 14mm
4.gear ratio 1/14, 1/56
5.self-locking acme screw

Ordering Information

For Example

JTC150 – UR – 1500 – L – IV – C – HW
1 2 3 4 5 6 7


Models: JTC2.5, JTC5, JTC10, JTC25, JTC50, JTCH50, JTC100, JTC150, JTC200, JTC250, JTC350, JTC500.

2. Lifting Screw Design& MountingType

US: Upright, translating screw UK: Upright, anti-rotation keyed screw UR: Upright, rotating screw

IS: Inverted, translating screw IK: Inverted, anti-rotation keyed screw IR: Inverted, rotating screw

3. Stroke

1500, means travel length 1500mm.

Customized travel stroke, 0-11500mm.

4. Gear Ratios

Each jack has two gear ratios, High ratio(H), Low ratio(L).

See above specifications to select correct gear ratios.

5. Lifting Screw End Fittings

Standard lifting screwend fittings includes top plate (I), clevis end (II), plain end(III) and threaded end (IV). Custom made spherical hinge, forked head etc.If special lifting screw end fitting needed, please send us the end fitting drawings, we will make them following the drawings.

6. Input Shaft & Motor Flange Types

A: single input, left input shaft.

B: single input, rightinput shaft.

C:doubleinput, left & right input shaft.

M1: double input, left input shaft, right motor flange direct-coupled.

M2: single input, right motor flange direct-coupled.

M3: double input, rightinput shaft, leftmotor flange direct-coupled.

M4: single input, leftmotor flange direct-coupled.

7. Accessories

N: No accessory;PP: Protective tube;BB: Bellows boots;HW: Hand wheel;DC: Digital counter or digital position indicator;EM: Electric motor;GR: Gear reducer;WR: Worm gear reducer;LS: Limit switches;SN: Stop nut;PB: Pillow block bearing;FB: Flange pillow block bearing;FC: Flexible coupling;CS: Connecting shaft;BG: Miter gearbox;SP: Swivel plate;RE: Rod end;Motor flange; Mounting brackets, Safety nuts, articulated protective tube, encoder, electromagnetic clutch etc.

Packaging & Shipping

1. Ocean freight: seaport to seaport, price terms CIF, FOB, EXW, CFR etc.
2. Air freight: airport to airport, price terms EXW, CRF etc.
3. Air Express: DHL, FEDEX, UPS, TNT.
Strong Exporting Plywood Cases (International Exporting Standard Wooden Material with Free Fumigation)

Our Advantages

1. International standard materials for All Jacton brand products. We insist on choosing brand suppliers to supply the high quality raw materials to control the producing process. Optimization constantly the production processes, inspecting in each link and managing production site.
2. 100% quality assured with double quality inspections. The quality inspection by quality inspectors from processing to finished products as the first time. Before packing, the corresponding sales engineers must inspect the orders following the paper drawings, order quantities and special markings in the invoice or sales contracts as the second time.
3. 100% safety transportation. Packing with strong standard export plywood cases materials (free fumigation), inner packing with epe foams to prevent products swaying and outer packing with iron sheets and fasteners to fasten the packages.
4. Internationl sales engineers have professional knowledge and skills on our standard products and service. They have enough ability to solve the basic technical problem immediately whatever by phone, online chat, face to face communications.
5. All the standard products with 2D CAD Drawings (PDF, DWG and DXF formats), and 3D CAD Models (STEP, STP, MODEL, IGS, PRT and CATParT formats).
6. Custom design available, OEM service available, Free engineering advice, Free quotes available and Customer label available.
7. Inspection equipments include motor with inverter drive system, height adjustmemt motorized lifting system, coordinate measuring machines, outside micrometers, inside micrometers, depth calipers, vernier calipers, digital calipers, hardness testers, digital noise meters, industrial infrared thermometers, digital speed measuring instruments, digital multimeters, and high precision clamp digital ammeter etc.
8. Processing with modern advanced machines such as CNC gear hobbing machines, CNC flank grinding machines, CNC cylindrical grinding machines, multi-axis CNC milling machines, CNC lathes and others equipments.

Finished Projects

1. Theatrical solutions stage and orchestra platform lifts projects. Customers are from France, Australia, Netherlands, United Kingdom, Spain and Canada.
2. Hydroelectric power station projects and water conservancy projects. Customers are from Vietnam, Australia, Malaysia, Russian Federation, Nepal, Pakistan, Belgium, United States and United Kingdom.
3. Aircraft maintenance platforms and docking systems projects. Customers are from Pakistan, Singapore and United Arab Emirates.
4. Solar panel tracking system projects. Customers are from Spain, India and Canada.
5. Bolted steel storage tanks and silos lifting solutions. Customers are from South Africa, United States, Mexico, Russian Federation, Brazil and Vietnam.
6. Dish antenna elevation and azimuth positioning projects. Customers are from Singapore, Malaysia and United States.
7. Railway wagon projects. Customers are from South Africa.
8. Beverage can production lines. Customers are from Netherlands, United States, Thailand and Indonesia.
9. Steel factories production lines. Customers are from Iran, United States and Turkey.
10. Continuous PU sandwich panel production lines. Customers are from Thailand and United Kingdom.

Other Products

1. Manual screw jacks, Electric screw jacks.
2. Screw Jacks Series: JT series acme screw jacks, JTC series cubic screw jacks, JTW series machine screw jacks, JTM series worm screw jacks, JTB series ball screw jacks, JTD series cubic ball screw jacks, JSS series stainless steel screw jacks, JTS series bevel gear screw jacks, Non-standard series screw jacks.
3. Bevel Gearboxes Series: JT series bevel gearboxes, JTP series cubic bevel gearboxes, JTA series aluminum bevel gearboxes.
4. Lifting Systems and Systems Accessories: two-jacks systems, three-jacks systems, four-jacks systems, six-jacks systems, eight-jacks systems.. Accessories cover couplings, universal joints, cardan shafts, connecting shafts, electric motors, geared motors and reducers, hand wheel with crank handles, pillow block bearings, flange block bearings, rod end bearings, stop nuts, limit switches, safety nut, travel nuts, linear shafts and bearings, linear guides and bearings, telescopic spring covers, bellows boot, protective tube, trunnion adapter plates, trunnion mounting brackets, motor flanges, rotary encoders, potentiometers, frequency inverters and position indicators etc.
5. Linear Actuators Series: Parallel linear actuators with 3-phase AC motors, Inline linear actuators with 3-phase AC motors,
6. Gearmotors and Reducers Series: helical gearmotors R series, helical bevel gearmotors K series, parallel shaft helical gearmotors F series, helical worm gearmotors S series, small AC gear motor series and worm gear motor reducer series.

Clients Countries

1. American Countries: United States, Mexico, Canada, Chile, Bolivia, Brazil, Colombia, Dominican Republic, Honduras, Costa Rica, Panama, Puerto Rico, Jamaica, Trinidad and Tobago, Aruba, Argentina, Peru, Venezuela.
2. European Countries: Russia, Germany, Turkey, France, United Kingdom, Italy, Spain, Ukraine, Poland, Romania, Netherlands, Belgium, Greece, Czech Republic, Portugal, Sweden, Hungary, Belarus, Austria, Switzerland, Bulgaria, Denmark, Finland, Slovakia, Norway, Ireland, Croatia, Georgia, Armenia, Lithuania, Slovenia, Estonia, Cyprus, Luxembourg, Iceland.
3. Asian Countries: Malaysia, Indonesia, Singapore, Pakistan, Philippines, Vietnam, United Arab Emirates, Thailand, Saudi Arabia, Iran, Turkey, India, Nepal, Yemen, Taiwan, Sri Lanka, Israel, Jordan, Kuwait, Qatar.
4. Oceanian Countries: Australia, New Zealand, Fiji.
5. African Countries: South Africa, Egypt, Ethiopia, Nigeria, Kenya, Tanzania.

Contact Information

Dongguan Jacton Industry Co.,Ltd (VAT No.: 9144190007026567X3, registered Capital 500000CNY) is a leading manufacturer and supplier in China for screw jacks (mechanical actuators), bevel gearboxes, lifting systems, linear actuators, gearmotors and speed reducers, and others linear motion and power transmission products. We are Alibaba, Made-In-China and SGS (Serial NO.: QIP-ASI192186) audited manufacturer and supplier. We also have a strict quality system, with senior engineers, experienced skilled workers and practiced sales teams, we consistently provide the high quality equipments to meet the customers electro-mechanical actuation, lifting and positioning needs. Jacton Industry guarantees quality, reliability, performance and value for today’s demanding industrial applications.

Website 1:http://www.jacton-screwjacks.com
Website 2:https://www.jactonindustry.com

Whatsapp ID: +86 135 3283 0851
Wechat ID: +86 135 3283 0851
Skype ID: jactonjack
QQID: 2512868631
Trademanager: jactonjack

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