MAYCO C30HDGA CONCRETE PUMP • OPERATION MANUAL — REV. #1 (09/09/19) — PAGE 13
IMPORTANT HAND SIGNALS
Figure 1. Operation Hand Signals
CHUTE UP
CHUTE DOWN
STOP
START PUMP
SPEED UP
SLOW PUMP
DOWN
STOP PUMP
LITTLE BIT
ADD WATER
4-GALLONS
ALL DONE
CLEAN-UP
DRIVE IN
BACK UP
PULL FORWARD
BACK IN