F4000N Series Operating Manual
Section 8: Maintenance and Periodic Inspection
Part # 562187N-1
Rev. D Sep. 2012
113
© 2012 Fisnar Inc.
1.3
Check Methods
Check point
Check action (See if)
Corrective action
Tilt or deviation of machine
Robot working position is
tilted or inclined.
Set the machine in a
proper vertical position.
Status of cables and hoses
Electrical cables and
pneumatic hoses are
excessively twisted, bent, or
squeezed.
Air leakage between
pneumatic hoses and fittings.
Remove the any twists or
bends.
Cut away the damaged
parts of hoses and make
connections.
Appearance
Damage on the robot‟s head
from clashes during
operation.
Pay attention to working
area of robot and remove
any obstacle.
Stability on work bench
The robot is too close to the
edge of the work table.
Rearrange the position of
the robot on the table.
Remove sources causing
table vibration.
Motor running condition
Infiltration of grease.
Performance degradation due
to overload.
Replace motor (see
agent).
Motions, connections, and
joints
The axes are not moving
smoothly.
Noises, vibrations, and / or
shakes.
Grease up.
Reset and adjust gains
(contact agent for setting).
Unfastened / loose bolts and
screws
Loose or broken bolts and
nuts.
Tighten loose bolts and
nuts. Take corrective
action to remove the
cause.
Internal wires and connectors
Stripped or damaged external
cover or shield on cable
and/or connectors.
Replace the damaged
cables or connectors with
new ones (see agent).
Accuracy and precision
Z run out over X or Y larger
than 0.2mm.
Wear on timing belt.
Contact agent.
Replace timing belt (see
agent).
Ball screw (worm gear)
assembly, Linear Motion (LM)
guide, slide guide
Lack of grease on shaft, LM
guide and / or slide guide
surfaces.
Deflection of the shaft.
Apply grease on grease-
hole of worm gear, LM
guide, and slide guide
surfaces.
Replace the shaft (contact
agent).
Overhaul
Diagnose the whole system
and make decision for the
overhaul.
Contact agent.