Hydraulic System Suction Hose (fits JCB) - OEM 834/11239
High-quality hydraulic system suction hose with part number 834/11239. This component is designed for JCB mini excavators. The suction hose is a critical component connecting the oil tank with the hydraulic pump, responsible for the safe and uninterrupted transport of the working fluid. The use of an OEM standard part guarantees optimal flexibility, complete leak-tightness, and perfect fit to the mounting stubs.
Resistance to collapsing and cavitation: Hydraulic system suction hoses operate under strong vacuum conditions. The use of appropriate reinforcement and material in the OEM hose prevents it from being sucked in (collapsing) during intensive pump operation. A kinked or low-quality hose restricts oil flow, which instantly leads to the destructive phenomenon of cavitation and irreversible seizure of the main hydraulic pump.
Technical Specification:
- Part type: Hydraulic suction hose.
- Quality class: OEM.
- Function: Transport of hydraulic oil on the tank - pump line.
- Part number: 834/11239 (83411239).
Compatibility with JCB Machinery:
| Machine Category | Series and Models |
|---|
| Mini Excavators |
803X Series: 8035 ZTS [T3] (2008 - 2022) |
Workshop Tip: Over the years and under the influence of temperature and oil chemistry, rubber hoses harden, perish, and lose their flexibility. This can result in micro-cracks and unmetered air being sucked into the system.
Golden rules for suction hose replacement:
1. Hose clamp verification: Always use new, wide hose clamps (GBS type, reinforced). Old, deformed worm drive clamps can cut the new hose or fail to provide a complete seal, allowing outside air to be sucked in and the oil to foam.
2. Stub cleanliness: Before slipping on the new hose, thoroughly clean the stubs on the pump and tank from remnants of old rubber and dirt. The stubs can be lightly lubricated with clean hydraulic oil, which will make it easier to slip the tight hose on without damaging it.
3. Hose routing: Ensure that the new hose is routed naturally, without kinks, twists around its own axis, or rubbing against sharp edges of the machine frame. A kinked hose drastically reduces its working flow capacity.
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