3. Standard adjustment
(1) Main shaft connection/disconnection
1. Loosen the set screw
securing the main shaft counterbalance
, and remove the taper screw
.
2. Loosen 2 set screws
(through the screwdriver hole A), 2 set screws
, and 2 set screws
.
On this occasion, loosen No. 2 set screw first, and completely remove No. 1 set screw from the flat part of the
main shaft
.
3. Remove the main shaft motor
.
Refer to “3.-(2) Removal of the main shaft motor and coupling”.
4. Loosen 2 set screws
.
On this occasion, be aware that the balancer
may rotate due to loosened set screws
.
5. Loosen 2 set screws
.
6. Loosen 2 set screws
.
On this occasion, completely remove No. 1 set screw of the set screws
from the flat part of the main shaft
.
7. Loosen 2 set screws
and 2 set screws
.
8. Pull out the main shaft
in the direction of Arrow C.
– 5 –
Screwdriver hole A
No. 1 set screw
No. 2 set screw
No. 2 set screw
No. 2 set
screw
No. 1 set screw
No. 1 set screw
D
F
E
C
Procedures of disassembling
Main shaft taper hole