c. MHC Indicators. Figure 2-21 shows indicators on the MHC.
Figure 2-21. Material Handling Crane (MHC)
Boom Angle and Extension Indicators
1. Boom Angle Indicator. Indicates the angle of the boom.
To determine the extended length of the boom, add the measurements
at points A and B to C.
2. Boom Extension Indicators.
Indicates the boom extension from minimum
retraction to maximum extension. Boom extension indicators are marked every 12
in. (30 cm).