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E: 15829336298@139.com
Room 1212-G107, Unit 2, Building 1, Block A, Shenglong Plaza, No. 80 Weiyang Road, Weiyang District, Xi'an City, Shaanxi Province
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WG9719820004
Shacman Sinotruk HOWO FAW
| Attribute | Description |
|---|---|
| Part Name | Cab Lift Hydraulic Cylinder / Cabin Tilting Cylinder |
| OEM Number | WG9719820004 |
| Alternative Part Numbers | WG9719820004-1, WG9719820002 (similar series variants) |
| Function | Enables forward tilting/raising of the truck cab for engine compartment access |
| Operating Principle | Double-acting hydraulic cylinder (extends and retracts under hydraulic pressure) |
| Material (Body) | High-strength carbon steel |
| Piston Rod Material | 40Cr alloy steel (hardened and chrome-plated for wear resistance) |
| Sealing System | Nitrile rubber (NBR) or polyurethane seals; dust wiper included |
| Color | Typically gray or black painted finish (anti-corrosion coating) |
| Dimensions (Approx.) | ~60 cm × 14.5 cm × 10 cm (packing size; actual cylinder stroke varies by model) |
| Weight | 2 kg – 7.2 kg (depending on exact configuration and packaging) |
| Condition | Brand new (OEM fresh stock) |
| Quality Standard | Complies with ISO9001, SINOTRUK OEM specifications |
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Verify Exact Compatibility
Match the OEM number, vehicle model, year, and cab type (day cab vs sleeper cab).
Confirm mounting center distance, rod diameter, and stroke length.
Professional Installation Required
The cab must be fully supported during removal/installation (use cab stands or cradle).
Never rely solely on the hydraulic system when working under a raised cab.
Use Correct Hydraulic Fluid
Use ISO VG 32 or HV 46 anti-wear hydraulic oil unless otherwise specified.
Avoid contaminated or degraded fluid — it can damage internal seals.
Bleed Air from the System
After installation, operate the cab lift slowly several times to remove trapped air.
Check for abnormal noise or jerking movements.
Inspect Regularly
Oil leaks at seal points
Bent or scratched piston rod
Loose mounting pins or bushings
Worn hoses and connectors
Check for:
Replace immediately if any sign of failure is detected.
Avoid Overloading or Side Loading
Do not force the cylinder beyond its designed range.
Side loads can cause buckling or seal failure.
Ensure Proper Alignment
Misalignment increases wear and reduces service life.
Mounting brackets should be undamaged and securely fastened.
System Pressure Check
Operates within standard SINOTRUK cab lift pump pressure (~80–120 bar).
Use a gauge to check pump output if cylinder responds slowly or fails to lift.
Safety First
Always lower the cab before driving.
Ensure the cab is fully locked in the down position before operation.
Never drive with the cab unlocked or partially raised.
Storage Advice
Store horizontally in dry conditions.
Protect the piston rod with a protective cap or grease cover to prevent oxidation.
