diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index c5acbd49bb..ac40eed0ae 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -1726,7 +1726,7 @@
                     "description": "The distance between the nozzle and already printed parts when avoiding during travel moves.",
                     "unit": "mm",
                     "type": "float",
-                    "default_value": 1.5,
+                    "default_value": 0.625,
                     "value": "machine_nozzle_tip_outer_diameter / 2 * 1.25",
                     "minimum_value": "0",
                     "maximum_value_warning": "machine_nozzle_tip_outer_diameter * 5",
@@ -2724,9 +2724,7 @@
                     "label": "Platform Adhesion Extruder",
                     "description": "The extruder train to use for printing the skirt/brim/raft. This is used in multi-extrusion.",
                     "type": "extruder",
-                    "default_value": 0,
-                    "minimum_value": "0",
-                    "maximum_value": "machine_extruder_count - 1",
+                    "default_value": "0",
                     "settable_per_mesh": false,
                     "settable_per_extruder": false
                 },
@@ -2735,9 +2733,7 @@
                     "label": "Support Extruder",
                     "description": "The extruder train to use for printing the support. This is used in multi-extrusion.",
                     "type": "extruder",
-                    "default_value": 0,
-                    "minimum_value": "0",
-                    "maximum_value": "machine_extruder_count - 1",
+                    "default_value": "0",
                     "enabled": "support_enable",
                     "settable_per_mesh": false,
                     "settable_per_extruder": false,
@@ -2747,10 +2743,8 @@
                             "label": "Support Infill Extruder",
                             "description": "The extruder train to use for printing the infill of the support. This is used in multi-extrusion.",
                             "type": "extruder",
-                            "default_value": 0,
+                            "default_value": "0",
                             "value": "support_extruder_nr",
-                            "minimum_value": "0",
-                            "maximum_value": "machine_extruder_count - 1",
                             "enabled": "support_enable",
                             "settable_per_mesh": false,
                             "settable_per_extruder": false
@@ -2760,10 +2754,8 @@
                             "label": "First Layer Support Extruder",
                             "description": "The extruder train to use for printing the first layer of support infill. This is used in multi-extrusion.",
                             "type": "extruder",
-                            "default_value": 0,
+                            "default_value": "0",
                             "value": "support_extruder_nr",
-                            "minimum_value": "0",
-                            "maximum_value": "machine_extruder_count - 1",
                             "enabled": "support_enable",
                             "settable_per_mesh": false,
                             "settable_per_extruder": false
@@ -2773,10 +2765,8 @@
                             "label": "Support Roof Extruder",
                             "description": "The extruder train to use for printing the roof of the support. This is used in multi-extrusion.",
                             "type": "extruder",
-                            "default_value": 0,
+                            "default_value": "0",
                             "value": "support_extruder_nr",
-                            "minimum_value": "0",
-                            "maximum_value": "machine_extruder_count - 1",
                             "enabled": "support_enable",
                             "settable_per_mesh": false,
                             "settable_per_extruder": false