Hook Lubrication - Pfaff 3117 Instruction Manual

14

Hook lubrication

.21.03
Requirement
1. The hook must be adequately lubricated.
2. With the hook clearance adjusted correctly, the felt ring must lightly touch the spring
mounted metal disc.
Fig. 14 - 51
Check that there is sufficient oil in the reservoir 3. See chapter 13.02.02 Lubricating
the hook.
Loosen grub screw 1 and move the oil distributor ring 2 in accordance with require-
ment 2.
Tighten grub screw 1.
With the hook lubrication adjusted correctly, there should be a fine film of oil on
a strip of paper after 10 cycles
Adjustment
1
2
14 - 53