Festo DGC-HD - Manual (Page 28)

DGC-HD
28 Festo – DGC-HD – 1304NH English
Designation Part number/type
Grease gun with needle-pointed nozzle
Nozzle pipe, axial outlet port
Nozzle pipe, radial outlet port
647958/LUB-1
1)
647959/LUB-1-TR-I
1)
647960/LUB-1-TR-L
1)
Roller bearing grease LUB-KC1 from Festo
1)
1) ( Spare parts catalogue at www.festo.com/spareparts)
Tab. 7
10 Troubleshooting
Malfunction Possible cause Remedy
Uneven movement
of the slide
One-way flow control valve
not installed correctly
If possible reduce the exhaust (not the supply air)
Tension Install the DGC-HD free of tension (evenness of the
bearing surface: 5.1 Mechanical installation)
Align the DGC-HD so that it is exactly parallel to the
second axis
Grease the DGC-HD ( 8 Service and maintenance)
Roller bearing/bearing
guide defective
Return DGC-HD to Festo for repairs
Slide does not
move
Loads too high Reduce mass of the effective load/travel speed
Mounting screws for
effective load too long
Observe max. screw-in depth
( 5.1.2 Installation of the effective load)
Heavy leakage Seal worn Replace worn parts:
– yourself with set of wearing parts
– send product to Festo for repairs
Sealing band pressed/
sucked in
When the linear drive is unpressurized, move the
slide twice manually through the entire stroke
(if necessary, move fixed stops into the end position)
Avoid low pressure in the piston chamber
(e.g. only move the unpressurized slide slowly)
Cylinder does not
reach the desired
speed
Air volume lacking – Increase connection cross-sections
– Connect volumes in series
High friction or
counteracting force
Observe limits
Tab. 8