LJM GL290 hydraulic hand pumps provide manual pressure to operate rotor lock and blade lock cylinders when the turbine is stopped for maintenance or main hydraulics are unavailable. LJM (Lind Jensen Maskinfabrik A/S, Denmark) has made hydraulic pitch and lock cylinders for wind turbines for over 30 years, together with repair kits and cylinder refurbishment.
The table lists 4 hand pumps for Vestas V66–V100, V90 and V112, e.g. LJM 35412 (OEM 109821) and 35613 (OEM 10208458).
Key features
- Manual operation of rotor and blade locks
- GL290-20 models (JIC, cable)
- For Vestas V66 → V112
- LJM–OEM cross-reference
LJM – OEM cross-reference table
| Turbine | LJM item no. | OEM item no. | Hand pump model |
|---|---|---|---|
| V66 – V80 – V90 – V100 | 35412 | 109821 | GL290-20JIC |
| V90 | 35592 | 109030 | GL290-20JIC-CABL |
| V112 | 35613 | 10208458 | GL290-20-CABL-4LVM |
| V112 | 35641 | 10207699 | GL290-20-CABL |
OEM numbers and turbine names (Vestas, Siemens, Gamesa, Bonus, Nordex, NEG Micon, Dewind, Wincon, Goldwind, LM) are for replacement reference only; trademarks belong to their respective owners. Please confirm the number on the cylinder nameplate before ordering.
Applications
- Nacelle and hub maintenance
- Operation without main hydraulic power
- Safety spares
For a fast quote, please send
- LJM or OEM number from the cylinder nameplate
- Turbine model, rating and MK version
- Quantity, required date and any repair kit needs
See more products in LJM Hydraulic Cylinders for Wind Turbines. FEYANA helps with part-number cross-checks, availability and quotations: WhatsApp +84 988 641 591 – sales.00@feyana.com.







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