Section 7: Troubleshooting
Figure 79 Adjust length of initiation needle
Figure 80 Install initiation needle
14. Fit initiation needle to motor disk. Assemble fasteners as follows (Reference "Figure 80 Install initiation
needle"dle"):
A. Push washer (2) and fastening tube (3) onto mounting screw (1).
B. Push mounting screw with washer and fastening screw through head of initiation needle (4).
C. Secure washer (5) to mounting screw.
D. Push guide tube (6) onto initiation needle.
E. Secure initiation needle to motor disk using mounting screw (1).
8. Align motor swipe vertically with upper dead center (1).
The set screw of the motor swipe points down.
9. Move initiation needle through guide tube in upper cooling system (2) onto
cooling pin (3).
10. Bolt new needle to motor disk.
11. Align initiation needle with motor swipe and cooling pin.
The needle end should be located approx. 2mm below the lower edge of
the cooling pin (3) (d=2mm).
12. If the needle is too long, use a permanent marker to mark the correct length
and remove the needle bar again.
13. Trim excess wire using side cutters and debur needle tip using precision
key file.
73