7-53
SECTION 7 –
SPRAY SYSTEMS
3. Observe system pressure indicated on
the Air Pressure Gauge (located on the
Foam Marker Control Box beneath plat-
form on rear right-hand side of machine).
Foam Marker Control Box
The Foam Marker Control Box is located
beneath the platform on the rear right-hand
side of machine. The box includes the air
pressure regulator, air pressure gauge,
manifold block, concentrate pump, and water
pump.
Pressure Adjustment
Air pressure may be adjusted by
operating the Air Pressure Regulator
(located on the Foam Marker Control Box).
Regulator air input comes from the air tank
on the machine.
•
Pull the Air Pressure Regulator OUT and
rotate the dial in the “counter-clockwise”
position to decrease pressure, or “clock-
wise” to increase pressure.
Foam Marker Switch
(Located on the side console)
-Typical View
Air Pressure Gauge
(Located on the Foam Marker Control Box)
-Typical View
Foam Marker Control Box
(Interior view)
Foam Marker Control Box
(Located beneath platform on
rear right-hand side of machine)
-Typical View
• Foam Marker
Reservoir
• Air Pressure
Regulator
• Concentrate
Pump
• Water
Pump
• Manifold
Block
• Air Pressure
Gauge
Summary of Contents for STS 10
Page 290: ......
