88
TROUBLESHOOTING
AND MAINTENANCE
Lubrication
Keep the specified lubrication intervals.
If the machine is not lubricated as specified, thread breakage could take place.
Use only Toyota genuine SF oil or equivalent (#150 spindle oi l: ISO viscosity grade = VG18).
Lubrication Points Interval
1 Rail on rotary hook Every 3 to 4 hours of
operation
2 Drive shaft of presser foot parts (2 places)
3 Needle bar drive shaft (2 places) Every day
4 Needle bar drive shaft of presser foot
5 Inside the arm (3 places)
6 Needle bar
Once/week
7 Inside the cylinder bed
8 Felt packing (needle bar) Once/3 months
FD07
For the lubrication of rotary hook rails,
the maintenance information is dis-
played on the LCD screen in the opera-
tion panel (Page 86).
If the maintenance information is dis-
played, turn the power switch OFF and
supply lubricating oil to the rotary hook
rails.
For other lubrication cycles, refer to the
table in the left.
8
5
3
3
5
7
5
2
1
Sectional
View
6
3
4