4. Reassemble unit by reversing the order by which it was
disassembled. See valve servicing for proper assembly
techniques and screw torque.
Figure 1
Maintenance & Trouble Shooting Hints
Valve Not Shifting Completely When Energized:
1. Check to insure that the proper voltage is supplied to the
solenoids.
2. Check to insure that supply pressure is 240 kPa (35 PSIG) or
greater at the valve’s inlet when shifting valve.
3. Check for possible restrictions in air supply, such as undersized
hoses, fittings or quick disconnects.
4. Check to insure that the spool moves smoothly.
5. Check spool seals for proper installation, dirt or damage.
Air Leakage Through Exhaust Ports:
1. Check for internal leakage in the cylinder being operated by
the valve.
2. Check condition of the spool seals for proper alignment,
damaged (nicked or broken) seals, and dirt contamination.
3. Inspect the solenoid plunger guide, plunger, spring and seat
(as well as their mating parts) for dirt, nicks, or damage.
4. Check for missing, damaged, or incorrectly assembled
o-rings and gaskets.
Noisy Solenoids:
1. Check to insure that voltage and pressure supplies are
adequate.
2. Inspect the plunger guide, plunger, spring, and seat (as well as
their mating parts) for dirt, nicks, or damage.
Replace worn or damaged parts. Reassemble and retest unit.
Plunger & Guide Assembly
(Includes Plunger, Plunger Guide and Spring)
K232 025
Standard Voltages
K232 049
B9 Low Watt Voltage Code (Blue Coil)
Seal Oriented To Provide
External Pilot Supply
Internal
Pilot Supply
External
Pilot Supply
Valve
Spool Bore
Valve Body
With Solenoid
Block Removed
Auto 250 Series Valves
V-595P
Wiring Instructions
Units with 3-Pin, 4-Pin or 5-Pin connectors
Pin numbers as viewing face of male receptacle.
Option 3
Option 4
Option 5
Option 6
3-Pin Male
SAE J2051 General
Chrysler
4-Pin Male Connector
Motors
Connector
Pin
Function
Function
Function
Function
Function
no.
1
Sol B
Sol A
Sol A
—
Ground
2
Sol A
Sol B
Sol A
Sol A
Sol B
3
Ground
Ground
Ground
Common
Sol B
4
Sol A
Sol B
Sol B
Sol B
—
5
Sol B
Sol A
Sol B
—
—
Note: Solenoid B is wired for single solenoid valves. Option Number
is seventh digit of the Model Number.
Units with flying leads
Use red wires for solenoid ’A’. Use blue wires for solenoid ’B’.
Earth ground:
All electrically operated valves (except 24VDC low
watt) must be provided a proper earth ground. Connect through proper
lead in connector or to green wire from valve.
NOTE:
In addition to the above instructions, follow all requirements
for local and national electrical codes.
Field Conversion of Pilot Supplies
(Internal vs. External)
!
CAUTION: Turn air and electrical supplies off before servicing
unit.
1. Remove valve from base, if required.
2. Remove (4) screws which fasten solenoid block or end cap to
body at both A and B ends.
NOTE:
Valve body has two pilot holes (internal and external). The internal
pilot hole is located nearest to valve spool bore (Figure 1).
3. To select external supply, install seal in its recess in the body
with the projection on backside of seal plugging the internal
supply hole. To select internal supply, install seal as above but
with the projection plugging the external supply hole.
NOTE:
The selection of seal positioning must be the same at both A and B
ends.
1
2
5-Pin
3
4
5
4-Pin
1
2
3
4
3-Pin
2
3
1
Coil Replacement Chart
Voltage
Coil
60 Hz
50 Hz
D. C.
WithLight
—
—
24 (B9)*
K252023
120
110
—
K252019
* Low Watt with Surge Suppression (Blue)
B
A
EB EA
P
SOL. B
B
A
EB EA
P
SOL. A
SOL. B
B
A
EB EA
P
PB
Single Solenoid
Single Remote
Double Remote
Double Solenoid
2-Position
Blocked Center
Pressure Center
Exhaust Center
3-Position
B
A
EB EA
P
PB
PA
B
A
EB
EA
P
SOL. A
SOL. B
B
A
EB
EA
P
SOL. A
SOL. B
B
A
EB
EA
P
SOL. A
SOL. B
ANSI Symbols
2
