Install Vented Plug; Determine Location For Operator - Chamberlain HCTDCU Installation Manual

STEP 2

INSTALL VENTED PLUG

1. Remove the dome plug from the operator chassis.
2. Remove the solid plug in the gear reducer and replace it with the
vented plug (provided in bag with manual).
3. Tighten the vented plug with a socket or Allen wrench.
4. Re-insert the dome plug.
STEP 3

DETERMINE LOCATION FOR OPERATOR

1. With the gate/door closed, mark the center.
2. Open the gate/door and mark the center point on the ceiling.
INSTALLATION
11
Dome Plug
Vented Plug