Swing motor
FSM30B
FSM30B swing device series - swing motor with reduction gear
FSM30B is a swing motor assembly in the FLUTEK catalogue, FSM30B swing device series - swing motor with reduction gear. It is supplied as a complete unit rather than as loose parts, with the control variant matched to the machine.
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Compatibility — which machines this fits
This unit is published in our own FRANK English sample catalogue. Send us the machine model and nameplate - we confirm the exact variant, displacement and mounting before dispatch.
Specifications
| Pump line | FSM30B swing device series - swing motor with reduction gear |
|---|
Cross reference / interchange
Buying against a number from a dismantled machine or an old invoice? Send it to us — we map it to the correct unit.
Key features
- Published in our FRANK English sample catalogue
- Confirmed against your nameplate before dispatch
- Full spare parts support
Supply & commercial terms
Lead time, packing, freight terms, payment and warranty are confirmed per order on the quotation — ask us and you get them in writing together with the price.
Request a quotation
Model and quantity are pre-filled. Add your machine, destination port and contact details — we reply with price, lead time and shipping options.
Where these figures come from
Reference data for selection purposes. Please confirm the exact shaft, regulator and control variant with our team before ordering.
Common faults on this unit, and what to check first
The diagnosis guides below start from the symptom, list the checks in the order a workshop should work through them, and say which parts usually solve it. Full index: diagnosis guides.
Spools stick or lock when cold
Valve and pilot control
A spool that sticks when cold, or grabs in one position, is telling you about oil cleanliness, varnish or bore damage.
Hoses burst, seals blow, the gauge needle jumps
Valve and pilot control
Hoses failing in the same place, filters splitting or a gauge needle that jumps are transient problems.
All functions slow
Boom, arm and cylinder functions
When travel, swing, boom and bucket are all slow, the fault sits upstream of the individual circuits.
Cylinder drifts down under load
Boom, arm and cylinder functions
Drift is a leakage question. These checks tell you whether oil is passing the piston seal, the control spool or the holding valve…
Foam or milky hydraulic oil
Oil, filtration and the system as a whole
Foam means air, milkiness means water, and both destroy the lubrication film.
Machine slow or noisy when cold
Oil, filtration and the system as a whole
In low ambient temperatures the oil is the problem, not the pump.
Parts that usually solve them
Catalogue lines from the same families. Search the full library by part number from the parts library.