REED ROCK MASTER A30HP Manual page 7

8. STROKE CHANGE SWITCH
This is a two (2) position spring return switch and has two functions. One is a momentary
toggle to change stroke from one side to the other to help clear a possible line plug. The
other function is when the switch is held DOWN and allow for end of stroke. High pressure
check or in the instance of equalizing the stroking pistons. The allowance of the spring
return sets the machine back in forward stroke.
9. PUMP DIRECTION FORWARD AND REVERSE SWITCH
This is a two (2) position toggle switch and is used to control the cycle direction of the
concrete pump. Move toggle to UP position to activate FORWARD cycling. Move toggle
in DOWN position for REVERSE cycling.
10. PUMP REVERSE INDICATOR LIGHT
This green light, located below the switch is used, when lit, to indicate REVERSE pump
operation.
11. PUMP ON OFF SWITCH
This is a two (2) position toggle switch and is used to control the concrete pump. Move
toggle to UP position to activate PUMP-ON. Move toggle in DOWN position to turn
PUMP-OFF.
12. HORN / RESET
This is a momentary toggle switch and is used to activate the HORN and reactivate the
control and pump circuit after the machine has been shut down using the EMERGENCY
STOP switch. Once the emergency stop has been depressed it will be necessary to pull
out on the EMERGENCY STOP switch and move toggle of HORN/RESET switch
momentary to RESET position and sound horn.
13. THROTTLE CONTROL
This is a three (3) position spring centered switch and is used to adjust the engine RPM.
Toggle UP to INCREASE engine speed. Toggle DOWN to DECREASE engine speed.
Speed of engine will be retained as set until reset.
REVISION:
REED ROCK MASTER A30HP
TRAILER CONCRETE PUMP
OPER.
PAGE 06