20R-5036 20R5036 Fuel Injector for 336E Excavator Parts
Product Details
| Product Name: | Fuel Injector | Material: | Steel |
|---|---|---|---|
| Place Of Origin: | Guangdong,China | MOQ: | 1 |
| OEM: | Support | ||
| Highlight |
336E excavator fuel injector,20R5036 diesel fuel injector,excavator parts fuel injector |
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Product Description
| Product Name | Fuel Injector |
| Part Number | 20R-5036 / 20R5036 |
| Equipment Fit | 336E/966K/972K/12M/140M |
| Type | Engine Parts |
| Place of Original | GUANGZHOU |
| Brand Name | JIAJUE |
| MOQ | 1 Piece |
| Condition | New |
| Availability | Rich Stock |
| Approximate weight | 1KG |
| Size (for 1pc) | 20cm x 5cm x 8cm |
| Warranty | 3 Months |
| Shipment | Dispatched within 3 days |
- Cylinder Cut-out Test: Using diagnostic software (ET), cylinders are shut off one by one, and engine speed fluctuations are observed to locate the faulty cylinder.
- Fuel Rail Pressure Test: Check for internal leaks that prevent the system from building up the critical pressure required for starting.
- Back-leakage Test: Excessive back-leakage usually indicates severe wear of the internal control valve assembly.
- Visual Inspection: Inspect the fuel injector nozzles for carbon buildup, blockage, or corrosion.
- Preparation: Clean the injector bores thoroughly. Ensure there is no carbon debris, old O-rings, or fuel/oil residue at the bottom of the seat. Inspect the injector sleeve for any signs of pitting or erosion.
- Lubrication: Apply clean engine oil to the three O-rings and the backup rings. Warning: Never use grease. Only use clean engine oil to ensure the seals slide in without tearing.
- Seating the Injector: Push the injector down firmly by hand until you feel it "seat." Install the hold-down clamp and bolt.
- Torque Specifications: Tighten the bolt to 30 N⋅m±7 N⋅m (22 lb-ft). Note: Over-tightening can crack the injector body; under-tightening causes combustion gas leakage.
- Trim Code Programming: Locate the 6-digit alphanumeric code on the top of the injector solenoid. Use ET (Electronic Technician) software to program this code into the ECM to ensure precise fuel delivery synchronization.
| Issue | Root Cause | Solution |
|---|---|---|
| Black Smoke | Poor spray atomization or a stuck needle valve can cause dripping. | Inspect the air filter. |
| Hard Start | Internal leakage in the injector can lead to insufficient starting oil pressure. | Inspect the injector O-rings and internal seals. |
| Engine Misfire | A faulty solenoid valve coil or worn internal valve components can cause this. | Inspect the wiring harness connections and replace any damaged injectors. |
Product Highlights
20R-5036 20R5036 Fuel Injector for 336E Excavator Parts High-quality fuel injector designed for optimal performance in heavy equipment applications. Product Specifications Product NameFuel Injector Part Number20R-5036 / 20R5036 Equipment Fit336E/966K/972K/12M/140M TypeEngine Parts Place of ...
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