Figure 9. Controls and instruments, removal points.
the hourmeter, armature relay, and the reser-
voir level indicator.
20. Starter Switch
The starter switch (2, fig. 10), mounted on
the engine control panel, is a spring loaded,
push-type switch. When pressed inward, it
energizes the armature relay which in turn com-
pletes the electrical circuit between the battery
and the starter.
The tachometer (9, fig. 9), mounted on the
4 Throttle control
test stand control panel, is a needle-indicating,
5 Choke control
direct-reading instrument graduated from 0 to
3500 rpm in increments of 100 rpm. The tacho-
Figure 10. Engine control panel.