Advance Marine Gearbox 2LH800
The Gearbox Type of Advance 2LH800 Marine Gearbox Is 2 Inputs and 1 Output, The Gear Transmission Type is Two-Stage Helical Gear Transmission, The Rated Input Transmission Speed is 1500 RPM, The Center Distance is 1640 mm (The Distance Between the Two Inputs), The Speed Ratio it is 1:1, The Single Input Transmission Capacity is 0.3 kW / (RPM), The Coupling is a High Elastic Coupling SAE14.
The 2LH800 Gearbox Adopts Hydraulic Clutch Control, And the Control Method is Electronic Control. The Transmission System is: Diesel Engine—High Elastic Coupling—Input Flange—Gearbox Shafting—Output Shaft. The Gearbox is Equipped with an Independent Lubrication and Cooling System, Which Consists of an Oil Pump, An Oil Cooler, An Oil Pressure Gauge, Etc.
The Bearing and Gear Meshing Points are Well Lubricated.
1. Gear Adopts High Quality Alloy Steel, After Carburizing, Quenching Treatment, Tooth Surface Hardness HRC58 ~ 62. After Grinding Gear, With Enough Tooth Surface and Root Strength and Good Quality.
2. The Gearbox Body Adopts Steel Plate Welding Structure. After Welding the Gearbox Body is Tempered to Eliminate Welding Stress and Ensure the Gearbox Body Accuracy and Stability.
3. The Gearbox is Equipped With an Independent Lubrication and Cooling System, Which is Composed of Oil Pump, Oil Cooler, Oil Pressure Gauge, Etc. the Bearings and Gear Meshing Points are Well Lubricated.
4. This Product Has the Function of Double Input and Single Output. It is Con-Trolled by Two Clutches Separately and Can Work Alone or at the Same Time.
5. The Structure of This Product is Reliable, Soft and Smooth, Durable, Safe and Reliable.
6. The Input End of this Product is Equipped With a Highly Flexible Cou-Pling, and the Output End is a Shaft With a Flat Key.
Technical Specifications
Basic Introduction of Advance Marine Gearbox 2LH800
| Genset Model: | 2LH800 |
| Rated Input Speed: | 1500 RPM |
| Input 1 & 2: | Diesel Engine 450 kW / 1500 RPM |
| Center Distance: | 1640 mm (Two Input Spacing) |
| Single Input Transfer Capability: | 0.3 kW / (RPM) |
| Ratio: | 1:1 |
| Mechanical Efficiency: | ≥96% |
| Dimensions: | 2320 mm * 1002 mm * 938 mm |
| Net Weight: | 1900 kg |
| Lead Time: | 15-30 Working Days |
| Payment Terms: | T/T ,L/C |
Model | Input Speed | Reduction Ratio | Input 1 & 2 | Dimension | Controls |
| 2LH800 | 1500 RPM | 1:1 | Diesel Engine 450 kW / 1500 RPM | 2320 mm * 1002 mm * 938 mm | Electronic Control |
Technical Specifications of Advance 2LH800 Marine Gearbox | |||
| Engine Model | 2LH800 | Gearbox Type | Two Inputs and One Output |
| Transmission Mode | Cylindrical Helical Gear Two-Stage Transmission | Clutch Type | Hydraulic Multi-Plate Clutch (Wet) |
| Drive Type | Two Stage Transmission | Rated Input Speed | 1500 RPM |
| Dimensions (L*W*H) | 2320 mm * 1002 mm * 938 mm | Weight | 1900 kg |
| Center Distance | 1640 mm (Two Input Spacing) | Ratio | 1:1 |
| Input 1 | Diesel Engine 450 kW / 1500 RPM | Direction of Rotation of Onput 1 | Clockwise Facing the Gearbox Input 1 |
| Input 2 | Diesel Engine 450 kW / 1500 RPM | Direction of Rotation of Onput 2 | Clockwise Facing the Gearbox Input 2 |
| Direction of Rotation of Output | Same Direction of Rotation with Input Shaft | Direction of Rotation of Output Shaft | Same as Input Rotation |
| Coupling Type | Highly Flexible Coupling SAE14 | Output Form | Shaft with Flat Key |
| Single Input Transfer Capability | 0.3 kW / (RPM) | Output Rated Transfer Capacity | 0.533 kW / (RPM) |
| Clutch Connection Time | 3~5 s | Working Oil Pressure of Clutch | 1.3-1.5 MPa |
| Oil Pressure | 0.05-0.3 MPa | Oil Grade | SD/CC30 |
| Cooling Water Consumption | ≥4 m3/h | Cooling Water Inlet Temperature | ≤32 ℃ |
| Cooling Capacity | Cooler Cooling Capacity About 27kW | Type of Control | Electronic (DC 24 V) |
| Mechanical Efficiency | ≥96% | Gearbox Output Torque with Row | ≤100 N.m |
| ——END—— | |||
Operating Conditions of Advance 2LH800 Marine Gearbox | ||||
| Item | Operating Mode | Clutch 1 (Input 1) | Clutch 2 (Input 2) | Working Condition Description |
| 1 | Diesel Engine 1 | Connect | Disconnect | Power is Provided by Diesel Engine 1 Alone, Engine Speed is Closed Loop. |
| 2 | Diesel Engine 2 | Disconnect | Connect | Power is Provided by Diesel Engine 2 Alone, Engine Speed is Closed Loop. |
| 3 | Dual Machine | Connect | Connect | Both Engines Power the Load Simultaneously. |
| Remark | 1. No Reverse Working Condition | |||
| ——END—— | ||||
Maintenance items of Advance 2LH800 Marine Gearbox | |||||
| No. | Item | 1 | 2 | 3 | 4 |
| 1 | Check the Oil Level of Gearbox | * | |||
| 2 | Check for Abnormal Murmurs | * | |||
| 3 | Check for Oil and Water Leakage | * | |||
| 4 | Check the Oil Pressure Gauge | * | |||
| 5 | Clean the Oil Filter | * | |||
| 6 | Check Input Coupling Installation Accuracy | * | |||
| 7 | Check the Wear Condition of High Flexible Rubber Block | * | |||
| 8 | Check the Axial Clearance of the Bearing Ring | * | |||
| 9 | Check the Wear of the Bearing Ring, Friction Plate, Oil Seal Sleeve and Oil Seal Ring | * | |||
| 10 | Check the Wear and Aging of the Input and Output Rubber Oil Seals | * | |||
| 11 | Check the Installation Accuracy of the Output Connection Flange, Tighten the Platen Bolts and Connecting Bolts | * | |||
| 12 | Check the Oil Pump | * | |||
| 13 | Cleaning Cooler | * | |||
| 14 | Oil Change | * | |||
| 15 | Decompose and Clean the Parts and Parts of the Gearbox, Check and Replace Bearings, Oil Seals, Parts and So on | * | |||
| ——END—— | |||||
General Troubleshooting of Advance 2LH800 Marine Gearbox | ||
| Trouble | Causes | Remedies |
| Gearbox Vibration | 1. The Installation Accuracy is too Low | 1. Calibration According to Instructions |
| 2. The High Elastic Rubber Block is Damaged | 2. Replace the High Elastic | |
| 3. Support Bolt Loose | 3. Tighten Bolts Everywhere | |
| 4. The Unit Of Resonant Vibration | 4. Avoid the Resonance Speed Zone | |
| Oil Pump is Not Oiled or the Oil Pressure is Unstable | 1. Steering Error or Oil Pump Damage | 1. Check Steering or Replace Oil Pump |
| 2. The Oil Level is too Low | 2. Add Oil | |
| 3. The Oil Filter is Blocked | 3. Clean the Oil Filter and Change the Cleaning Oil | |
| 4. The Oil Pressure Gauge is Damaged | 4. Replace the Oil Pressure Gauge | |
| 5. Suction Line Takes in Air | 5. Tighten the Suction Circuit Bolts | |
| Working Oil Pressure too Low | 1. The Delay Throttle Hole Of the Hydraulic Control Component is Blocked | 1. Clean the Pilot Orifice |
| 2. Hydraulic Control Components Delay Piston Stuck | 2. Clean and Repair Delayed Piston | |
| 3. Insufficient Spring Force in Pressure Valve | 3. Replace Spring or Add Gasket | |
| 4. The Oil Filter is Clogged | 4. Clean the Oil Filter and Change the Cleaning Oil | |
| 5. Sealing Ring, Piston Ring and Other Wear and Tear | 5. Replace Heavily Worn Parts | |
| Oil Pressure is Unstable and too Low | 1. The Oil Filter is Blocked | 1. Clean the Oil Filter |
| 2. Sealing Ring, Piston Ring and Other Wear and Tear | 2. Replace Badly Worn Parts | |
| 3. The Oil Pump is Worn and Undersupplied | 3. Replace the Pump | |
| Clutch Slide | 1. Working Oil Pressure is too Low or Unstable | 1. Process According to Class 2 and Class 3 |
| 2. The Friction Plate is Worn | 2. Replace the Friction Plate | |
| Excessive Strip Row Torque | 1. The Friction Plate is Seriously Warped or Stuck | 1. Replace the Friction Plate |
| 2. Work Jam Died | 2. Cleaning Repair | |
| 3. Return Spring Fails | 3. Replace the Spring | |
| 4. The Viscosity Of Oil is too High | 4. Prescribed Oil | |
| Oil Temperature is too High | 1. Clutch Slide | 1. Process According to Class 5 |
| 2. The Cooler is Partially Blocked or the Cooling Water is Not Enough | 2. Clean the Cooler and Increase the Cooling Water | |
| 3. The Oil Level is too High | 3. Fill Oil According to Oil Gauge | |
| 4. Bearings, Push Rings and Other Rotating Parts Are Damaged | 4. Replace Damaged Parts | |
| 5. The Oil Aging | 5. Oil Change | |
| Leaking Oil | 1. The Bolts On the Sealing Joint Surface Are Loose or the Pad is Damaged | 1. Tighten the Bolts or Replace the Packing Paper |
| 2. The Sealing Joint Surface is Damaged or There is Debris | 2. Repair the Bonding Surface | |
| 3. Rubber Seals Are Damaged or Aging | 3. Replace the Rubber Seal | |
| Too Much Impact When Connecting and Discharging | 1. The Connection and Discharge Time is too Short | 1. Set the Connection Time to 3 to 6 Seconds |
| 2. The Friction Plate is Worn | 2. Replace the Friction Plate | |
| The Connection Time is too Long. Procedure | 1. The Delay Throttle Hole is too Small | 1. Increase the Throttle |
| 2. The Delay Throttle Hole is Partially Blocked | 2. Clear Debris From the Orifice | |
| 3. Oil Viscosity is too High (Especially in Winter) | 3. Change the Proper Oil | |
| ——END—— | ||
Marine Gearboxs Conventional Wearing Parts | |||
| External Disc | Internal Disc | Sealing | Piston Ring |
| Gasket | Rubber Sealing | Thrust Plate | Filter |
| Coil Type Filter | Packing | Oring | Input Shaft Assembly |
| Transmission Shaft Assemby | Output Shaft Assembly | Hydraulic Control System | |
| ——END—— | |||
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Note: All Above Data are Just for Referenece, All Data Might Change Without Notices or Update, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.
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