Rotary Power SMA 8700: Radial Piston Motor Overhaul for a Shredder

A 28-steps sequence to share the overhaul of an Sma 8700 Rotary Power radial piston motor.
The SMA motor is capable of meeting the heaviest applications and is therefore often applied on large shredders in the recycling industry.

It is an eccentric/radial piston motor with a hydrostatically balanced rotating assembly.


Il design efficiente comprende un albero motore in acciaio temprato ad alta resistenza supportato su cuscinetti idrostatici e a rulli conici. Il motore SMA è in grado di resistere sia a carichi di shock meccanici che idraulici elevati, offrendo una durata eccellente e un utilizzo continuo ad alta potenza.
Speed and power values are significantly higher than standard high-torque, low-speed motors.


This particular motor came to CAMI Group because oil leaks had been detected.
A complete check was therefore carried out, followed by the replacement of bearings, seals and the internal housing plates, which appeared clearly worn.

In this sequence we would like to share all the meticulous steps of disassembling such an engine, right up to the final inspection.


A combination of strength, precision and teamwork of our expert technicians.

DescriptionModelDisplacement Brand
DISASSEMBLY OF ROTARY POWER MOTOR SMA 87008700 ccRotary Power

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