As there is only one tram, and as the carriage management unit does not have maintenance facilities along the business line, the tram is sometimes sent to parent company JR West's rail yard for maintenance and inspection during the winter off-season.
車両関係は営業線内に保守設備を持たず予備のない1編成のみのため、冬期運休期間内に親会社のJR西日本の車両基地へ保守や検査に出されることもある。