Festo DFST-50-G2, Instructions & Operating, Page: 13 / 16

9.2 Lubrication
• After every cleaning grease the following components with LUB-KC1
è
www.festo.com/spareparts:
3 Piston rod
9 Guide rod
10 Lever locking/deactivation mechanism
13 Thrust bolts
14 Bolt of the toggle lever
15 Bolt of the stop roller
Fig. 14 Lubrication points
• With DFST-...-L with lever locking/deactivation mechanism: also grease all bearing points of the
moving parts.
9.3 Fault clearance
Malfunction Possible cause Remedy
Wear on one side of the
guide rod Transported material
impacts diagonally on
the toggle lever Align stopper cylinder in the direction of trans-
port, transported material must meet the toggle
lever vertically
è
6.1 Preparation
Cushioning incorrectly
set Correct cushioning
è
8 Commissioning
Conveyor speed too
high Reduce velocity
Hard impact on the
toggle lever
Shock absorber faulty Replace shock absorber
(
è
spare parts catalogue, www.festo.com)
Tubing connection error Check blanking plug
Check tubing connection
Piston rod in initial pos-
ition despite pressur-
isation
Reduced flow rate
through elbow connect-
ors Avoid elbow connectors
Cushioning incorrectly
set Correct cushioning
è
8 Commissioning Toggle lever does not
reach end position
Transported material
load (push-through
force) too low – Increase load
– Increase coefficient of friction between con-
veyor and material
– Increase slope of conveyor
Tab. 4 Fault clearance
Maintenance
13 Festo — DFST-50 ... 80-G2 — 2019-02