Auto 250 Series Valves
V-595P
A
B
P
A
B
E
J
N M
Q
C D
F
H
G
K & L
#12
END
#14
END
P
A
B
P
G
K & L
Q
C
#12
END
#14
END
P
A
B
P
A
B
S
R
F
G
T
G
K & L
Q
C D
#12
END
#14
END
M
DD
F
M
Service Procedures
!
CAUTION: Turn air and electrical supplies off before servicing
unit. When servicing this valve equipped with solenoid
operators, note that the solenoid adapters are permanently
wired to the body. Handle the disassembled valve with care to
avoid damage to the wiring harness and solenoid adapters.
NOTE:
All cleaning of parts to be done with mineral spirits or equivalent
cleaning solution. All parts showing nicks, scratches or other signs
of wear or damage should be replaced.
Valve Service
Use Service Kit K352419 for single operator, use Service Kit K352420
for double operator.
1. Remove valve body assembly with interface block from base.
2. Orient valve with 14 end on the left hand side.
3. Remove (4) socket head screws
(A)
out from each end. (Be
sure to start on left hand side for single operated valves, to
prevent end spacer and spring from popping out end of valve.)
4. Remove solenoid block
(B)
, end cap
(E)
, bumpers
(C)
, and
square seals (
D
) or o-rings
(DD)
. Discard square seals or
o-rings.
5. Remove spool or spool assembly
(F)
, end spacer
(G)
, with
spring
(H)
(single solenoid valves only).
6. Single Operated Valves Only - Remove and discard u-cup
(J)
from spool assembly. Clean spool assembly. From kit, use grease
from tube to lubricate the new u-cup and assemble to spool
assembly (open end away from spool).
7. Remove end spacer
(G)
, o-rings
(K & L)
, spacers
(M)
, and
spacer ring
(N)
(where applicable). Discard o-rings. Clean
spacers.
8. Apply grease to inner and outer o-rings
(K & L)
.
9. Reassemble one end spacer
(G)
, a set of o-rings
(K & L)
, and
one spacer
(M)
. Alternatively assemble a set of o-rings and a
spacer until all o-rings and spacers are installed. Press each set
firmly into place.
10. Reassemble second end spacer
(G)
on double operator,
2-Position valves.
11. On right end of valve, assemble square seal
(D)
or o-ring
(DD)
(3-Position valves only), bumper
(C)
, solenoid block
(B)
, end
cap
(E)
, and (4) socket head screws
(A)
. Tighten screws 5.0 to
5.6 Nm (45 to 50 in-lbs).
12. Assemble spring
(H)
(where applicable), and spool or spool
assembly
(F)
.
13. Repeat step 8 for left end of valve.
14. Reassemble valve onto base and tighten mounting screws 9.0
to 10.2 Nm (80 to 90 in-lbs).
Service Solenoid Coil
1. Remove nut
(P)
which secures solenoid coil in place. Slide coil
off of the plunger guide.
2. Remove paper backing from gasket provided in kit to expose
adhesive surface. Align and attach gasket to new solenoid coil.
3. Slide new coil onto plunger guide and install nut on guide with
bearing face toward the coil or diffuser nut and muffler plug and
tighten 5.1 to 6.2 Nm (45 to 55 in-lbs).
Servicing Solenoid Plunger Assembly
1. Remove the nut
(P)
which secures the solenoid coil to the plunger
guide assembly. Then slide coil off of the plunger guide. Unscrew
the plunger guide and remove plunger, spring, and
o-ring
(Q)
.
2. Using a clean, lint free cloth, clean plunger guide, plunger, spring,
and seat (which is permanently mounted in the adapter block).
Replace plunger guide assembly if necessary.
3. Grease o-ring and place at bottom of threaded bore. Very lightly
grease plunger. Reassemble plunger and spring into plunger
guide. Screw plunger guide into adapter block and tighten
5.6 to 6.8 Nm (50 to 60 in-lbs).
4. Slide coil onto plunger guide and then screw nut onto plunger
guide and tighten 5.1 to 6.2 Nm (45 to 55 in-lbs).
Manual Override Service
Use
PS1725
Service Kit for Non-Locking Override.
1. Reference: Double Solenoid, 2-Position Valve illustration below.
2. Remove retainer
(R)
with 1/4" hex key, withdraw override stem
with seals
(S)
and spring
(T)
. Discard parts.
3. Inspect and remove any debris which may be present in hole in
solenoid adapter.
4. From kit, place spring in hole.
5. Install stem with o-rings in solenoid adapter. O-rings must be
coated with grease, prior to stem installation.
6. Install threaded retainer - tighten 4.5 to 5.6 Nm (40 to 50
in-lbs).
Double Solenoid, 3-Position Valves
Single Solenoid, 2-Position Valves
Double Solenoid, 2-Position Valves
3
