diff --git a/docs/maintenance_manual/MaintenanceManualGroup20.pdf b/docs/maintenance_manual/MaintenanceManualGroup20.pdf
new file mode 100644
index 0000000..2944260
Binary files /dev/null and b/docs/maintenance_manual/MaintenanceManualGroup20.pdf differ
diff --git a/docs/maintenance_manual/src/MaintenanceManualGroup20.docx b/docs/maintenance_manual/src/MaintenanceManualGroup20.docx
new file mode 100644
index 0000000..0f13d55
Binary files /dev/null and b/docs/maintenance_manual/src/MaintenanceManualGroup20.docx differ