JLG 400CRT Operator Manual - Manual (Page 23)

SECTION 3 - USER RESPONSIBILITIES AND MACHINE CONTROL
3121803 – JLG Lift – 3-3
6. Glow Plug Switch - (Diesel Engine Only) - A momen-
tary contact, push button type switch that supplies
electrical power to the engine’s glow plugs, when
depressed, to assist cold starting. 7. Hourmeter -The machine may be equipped with an
hourmeter to indicate the number of hours the
machine has been operated.
Figure 3-1. Ground Control Station