3. ASSEMBLY
HE-800A
76
3-22-5. Rotary hook lubrication mechanism
1. Pass the wick (1) through the collar (2) as shown in the illustration.
2. Place the collar (2) onto the bush (3) as far as the base of the hollow.
3. Insert the spring (4) into the bush (3), and then insert the wick (1) as shown in the illustration.
* At this time, check that the spring (4) is not compressed when the wick (1) is pulled in the direction of the
arrow.
4. Push the end of the felt (5) into the hole in the bush (3) and stop it from turning.
5. Install the felt support (6) to the bed with the two screws (7).
6. Pass the wick (1) through the felt support (6) and then tie a knot in it.
7. Pass the wick (8) through the felt support (6) and then tie a knot in it.
8. Insert the rubber presser (9) into the bed, and then secure it with the spring (10) and the screw (11).
* As a guide for the lubrication amount, the optimum position can be obtained if the screw (11) is tightened as
much as possible and then loosened about two turns. Refer to “4-23. Adjusting the rotary hook lubrication” to
check and adjust the lubrication amount.
4275Q
4274Q
4277Q
4276Q