JLG 460SJ Operator Manual - Manual (Page 47)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121216 – JLG Lift – 3-9
7. Glow Plug Wait Indicator (Diesel)
Indicates the glow plugs are on. The glow plugs are auto-
matically turned on with the ignition circuit and remain on
for approximately seven seconds. Start the engine only
after the light goes out.
8. Hydraulic Filter Bypass Indicator
Indicates that the return oil filter is too restrictive and needs
to be replaced.
9. Transmission Pump Oil Filter Indicator
Indicates that charge pump filter is too restrictive and
needs to be replaced. This indicator has an integral temper-
ature sensor (70 degrees F.) so that false signals are not gen-
erated when the hydraulic oil is below normal operating
temperature.
10. Engine Air Filter Indicator
Indicates the air filter is too restrictive and needs to be
replaced.
11. Platform Overload (CE Only)
Indicates the platform has been overloaded.
12. Drive and Steer Disable Indicator (If equipped)
Indicates the Drive and Steer Disable function has been
activate