118798 Marantec Garage Door Opener Trolley Assembly
assembly is the part that slides back & forth in the operator rail
and over time can wear out or break. If that's the case then a new
118798 Marantec trolley is required. The manufacturer recommends
replacement of the trolley over trying to fix the trolley since the
trolley may not work properly if not reassembled properly and is
critical for emergency situations. While replacing the trolley assembly
check the chain connector or belt connector (whichever you may have) as the connectors can also wear out over time and may also need replaced.
The 118798 Marantec opener trolley replaces previous part numbers: 8030177, 8030178, 103346, 115443, 115444, 115445
Note: will not work for the Heavy Duty (2mm-14ga.) rail assembly
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