Valve Box And Air Valves - Wittke StarLight Maintenance Manual

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Valve Box and Air Valves

Mounted behind the cab, the valve box houses the
solenoid-operated air valves that direct air to the air actuators
on the hydraulic valve bank. Power is required to energize the
solenoid so air can pass to the work section dedicated to that
particular air valve.
Supply air from the chassis air tank passes through the filters
then feeds the air valves in the valve box. These normally
closed air valves are grouped into banks capped with manifold
ends with ports for supply and exhaust air to be routed. When
an air valve opens, air passes through a single air line from the
air valve and leads to one of two ports on an air actuator on the
hydraulic valve bank or to the joystick (cutout).
On units equipped with the Auto-dump, the pneumatic valves
are replaced by electrical valves.
T O
AILGATE PEN
T C
AILGATE LOSE
H T D
OPPER OP OOR
O
PEN
H T D
OPPER OP OOR
C
LOSED
P
ACK
R
ETURN
Valve Box Air Valves
E
XTENDS THE
CYLINDERS
R
ETRACTS THE
CYLINDERS
R
ETRACTS THE HOPPER
DOOR CYLINDER
E
XTENDS THE HOPPER
DOOR CYLINDER
E
XTENDS THE
CYLINDERS
R
ETRACTS THE
CYLINDERS
Part #: 90309
TAILGATE
TAILGATE
TOP
TOP
PACKER
PACKER