Removing The Spring - Chamberlain LiftMaster Professional BARS1-LE Manual De Instrucciones

8.4

Removing the spring

Attention: if the spring is to be exchanged in one operational step then follow the steps below.
If unit is left unmonitored without spring then the barrier must be closed and secured against being
opened – or the barrier pole must be dismantled.
The power supply must be cut thus preventing the barrier from being operated.
• Remove barrier pole
• Cut power supply
• (1) Dislodge barrier spring: for this purpose the setting of the spring must be turned far down.
By applying pressure on the inner casing of the spring with your fingers (1A/1B) it can be
dislodged.
• (2) Loosen lever screw and lower spring
• (3) Loosen the 4 screws (depicted in illustration) and lower spring casing
• (4) Now the spring can be removed including rod and case
• Repair, maintenance, inspection or exchange can now be conducted
• Reassemble by following steps in reverse order
1
1A
1B
4
2
3
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Notes