
Chapter 9 Maintenance
Lubricate the following part indicated by the arrow ("clearance" between the connecting rod and the needle thread
(Note) • In lubrication, select needle bar 9 and remove arm cover L to check the lubrication area. Be sure to wipe off excessive oil spilt at the lower part of the arm.
Thread | Connecting rod |
Connecting rod
Arm cover L
Lubricate the following part indicated by the arrow ("clearance" between the connecting rod and the needle thread
(Note) • In lubrication, select needle bar 12 and remove the head cover to check the lubrication area. Be sure to wipe off excessive oil spilt at the lower part of the arm.
Thread | Connecting rod |
Connecting rod
Head cover
225 |