Heavy Duty Truck Lube Oil 1421339 1421404 Hydraulic Filter
Heavy Duty Truck Lube Oil 1421339 1421404 Hydraulic Filter
Weight: 1KG
Process：Heat Treatment
Warranty: 2 years
Applicable Industries: Construction works
Machinery Test Report: Provided
Video outgoing-inspection: Provided
Color: Yellow or as your requirement
Logo: Yassian or as your requirement
Steps for replacing the air filter element
The following are the standard replacement steps and precautions for automotive air filters, compiled based on the key points of operation for different vehicle models
🔧 I. preparations before replacement
Youdaoplaceholder0 essential tools
Cross/flat-head screwdriver, hexagonal socket (required for some models)
New air filter element (confirm model matching)
Youdaoplaceholder0 safety premise
The vehicle should be turned off and cooled for at least 30 minutes (to prevent scalding)
Disconnect the negative terminal of the battery (this operation is required for electronic sensor models)
📦 II. Replacement steps (general process)
✅ Step 1: position the filter cartridge box
Open the engine compartment and find the black square box that connects the coarse intake pipe (usually on the top or right side of the engine)
✅ Step 2: Remove the lid
Youdaoplaceholder0 Fixed method key points of operation
For the snap-on type, use a flat-head screwdriver to gently pry the snap-on (keep the spring clip safe)
Loosen the screws diagonally (for Lingdu, 9 screws need to be removed)
Youdaoplaceholder0 Special operation Some models require unplugging the intake sensor plug first
✅ Step 3: Remove the old filter element
Take a photo to record the direction of the filter element (to prevent reverse installation)
Check for dirt: dust accumulation, blackening, and light transmittance less than 20% require replacement
✅ Step 4: Clean the filter box
Wipe the interior with a dry cloth ( do not wash with water )
✅ Step 5: Install the new filter element
Place in the direction of the old filter element (text/arrow up)
Confirm that the edge sealing strip is compacted (to prevent air leakage)
✅ Step 6: restore the filter cartridge
Screw diagonally tightened (to prevent deformation)
Press the snap button until a "click" sound is heard to confirm it is locked
️ III. Key points to note
Youdaoplaceholder0 Filter element taboos
Do not wash the paper filter element with water (damaging the fiber structure)
When cleaning compressed air:
▶ Pressure ≤0.3MPa
Blow from the inside out
▶ Replace after cleaning up to 6 times
Youdaoplaceholder0 seal strengthening
The rubber sealing ring is coated with vaseline to enhance air tightness
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