TM 10-4610-229-10
2-1. OPERATOR'S CONTROLS AND INDICATORS (CONT)
PRETREATMENT ASSEMBLY (CONT)
Control or
Indicator
Function
Air Purge Valve
Releases air from fluid during pump priming.
Stroke Length
Controls stroke length.
Knob
Amber Light
Pulsating light. Goes on and off with each pump
stroke.
Stroke Frequency
Controls stroke frequency.
Knob
Red Light
When lit, shows that chemical barrel is empty.
2-13