Found the arm to be a very tight fit on the square drive shaft one of the units but the other two were ok.
Eclipse door closer fitting instructions.
Eclipse 28730 fixed size 3 overhead silver door closer maximum door weight 60kg.
Backcheck no backcheck facility.
Fitted and adjusted quickly.
Maximum door width 950mm.
Next take the tool needed this may vary depending upon the design of the door closer to make the change and turn the valve.
Power adjusting valve must face away from hinge side of door.
Good clear instructions lots of fixings and brackets for different configurations.
Determine the power size required and using the supplied allen key adjust door closer strength as per chart on template.
Eclipse 28989 adjustable size 2 4 overhead silver door closer.
Remove slide plate and fix door closer body with screws supplied ensuring correct fitting holes are used.
To adjust a door closer you will first need to locate the appropriate hydraulic valve by consulting the instructions or specifications.