7. To replace the latch lever assembly:
A. Remove screws that secure the shaft retainers to
the head casting.
B. Lift out the latch lever assembly.
C. When reassembling, slip the latch lever torsion
spring and latch lever onto the latch lever shaft.
D. Screw the two shaft retainers to the head casting
to secure the latch lever shaft.
E. Hook the torsion spring on the latch lever assem-
bly. Be sure the two shaft retainers are positioned
as in Figure 17, and that the latch lever is retarded
when moved away from the head casting.
8. Install the contact structure and bushings to complete
assembly.
Operating Shaft
Spring
Reset Lever
Operating Shaft
Roll Pin
Bell Crank
Shaft Retainer Spring
Anchor
Latch Lever
Torsion Spring
Figure 16. Components of head mechanism assembly.
Figure 17. Correct position of shaft retainers.
Holes in Shaft
Retainers
12
TYPE NR OIL SWITCH MAINTENANCE INSTRUCTIONS
MN230001EN February 2016