ABB FlexPLP IRPLP 220 Product Manual page 122

7 Maintenance
7.5 Driving belt (tension check, adjustment and replacement)
Continued
Adjustment or replacement of the belt of Rack and Pinion unit
1
2
3
4
5
122
Action
FlexPLP IRPLP220 must be in maintenance posi-
tion (horizontal carriage at mid stroke)
Remove the upper cover to clear the access to
the belt.
Measure the tension of the belt (A), preferably
with a tension gauge.
If the tension is out of range, slightly loosen the
four M6 (B) screws on motor mounting bracket.
Assembly an adjusting M5 screw (C) and slightly
tighten the adjusting M5 screw (C) using a M4
hexagonal spanner to adjust the belt to desired
tension.
When the desired tension is achieved, tighten the
four motor mounting bracket screw and check the
tension again.
Remove the adjusting M5 screw (C). Put the cover
back.
If a replacement of the belt is needed, loosen and
remove the belt. If replacement of a pulley need,
loosen the belt and remove the end flange. Using
plastic rail to protect rail blocks (C) and take out
the carriage system. Clear access to the locking
device (A).Remove the locking screws and screw
them in the adjacent holes to pull the device out.
Remove the motor mounting bracket screws to
loosen the belt and extract the belt and pulleys
(B).
To re-assemble, proceed in opposite order.
The belt must be perfectly aligned on the two
pulleys.
The locking device screws must be tightened in
a gradual uniform way, increasing the torque on
each equally to 5 Nm.
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Note
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Product manual - FlexPLP IRPLP 220
3HAW050041018-001 Revision: C