Festo DRRD-12 ... 63 - Manual (Page 29)

DRRD-12 ... 63
Festo – DRRD-12 ... 63-Z6 – 1310b English 29
10 Accessories
Note
• Please select the corresponding accessories from our catalogue
( www.festo.com/catalogue).
11 Trouble-shooting
Malfunction Possible cause Remedy
Uneven movement of the
effective load
Flow control valves inserted
incorrectly
Check the flow control function
(supply or exhaust air flow
control)
Asymmetric angle setting Symmetric setting preferred
DRRD defective Return to Festo
Hard metal impact at the end
position
Drive shaft does not remain in
the end position (bouncing)
Residual energy too high Select a lower swivel speed
Use external shock absorbers
( 10 Accessories)
Move only against residual air
cushion on the exhaust side
Select a lighter mass
Semi-rotary drive moves against
an unpressurized chamber
Pressurize semi-rotary drive on
both sides
Shock absorber unscrewed too
far
Observe the maximum
permissible unscrewing length
Shock absorber/cushioning
component defective/worn
Replace shock
absorber/cushioning
component
( 9 Disassembly and repair)
Tab. 8