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Repair
Disassembly of 1093 valve section
Refer to F
. 16 for the following steps.
IG
1. Remove motor (826) from Mounting Plate (818).
2. Remove valve from valve stack by removing the
four screws (705) that are holding the valve to the
plate (938).
3. On the right side of the valve, remove Valve End
Cap (909). The Valve Piston (913) will be inside the
end cap.
NOTE: If necessary, remove Valve Piston (913) from
Valve End Cap (909) by applying low air pressure
through valve air inlet to push out the Valve Piston
(913).
4. Remove Seal Plate (924).
5. Repeat steps 3 and 4 with the left side of the valve.
6. Push the Spool/Sleeve (917) out with a finger. If the
Spool/Sleeve does not slide out, tap gently using a
wood or plastic dowel.
A worn spool and sleeve assembly must be replaced
with a new (matched) assembly. If you are rebuilding
multiple valves be sure to keep the spools and sleeves
matched.
7. Remove Inlet/Outlet Block (932) from Valve
Body (907).
8. Remove O-Rings (920) from Valve Body (907).
9. Remove Spool Wet Seal Retainers (915) on the left
and right of the Valve Body (907).
10. Remove Valve Body (907) from Oil Cup Retainer
(925) by removing Screws (927).
11. Remove Metering Sleeve (906) from Valve Body
(7).
12. Remove Oil Cup Retainer (925) by removing screws
(824) shoulder bolt.
13. Remove Seal Cup (903) from Oil Cup Retainer
(925). Remove Posipak Rod Seal (904) from Seal
Cup (903).
14. Slide Guide Rods out of Connection Block (806).
15. Remove Metering Rod (902) from Connection Block
(806).
40
16. Remove Non Drip valve (1003) from Inlet/Outlet
(932).
Assembly of 1093 valve section
NOTE: Check the Metering Rod (902), Metering Sleeve
(906), and Spool/Sleeve Assembly (917) and Valve
Body (907) for wear. Replace as necessary.
NOTICE
Avoid damaging U-cups and Poipak seals when
installing. Verify they are lubricated and tuck the lips
of the seal inward before uniformly pushing them
into position.
1. Install four lubricated O-rings (919) onto the
Spool/Sleeve Assembly (917). Lubricate the Spool
Rod and the outside of the Spool Rod Sleeve along
with the inside of the Valve Body (907).
2. Insert the Spool/Sleeve Assembly (917) carefully
into the Valve Body (907). Be sure to align the Bot-
tom holes of the Sleeve piece of the Spool/Sleeve
(917) with the outlet, inlet, and transducer holes of
the Valve Body (907).
Transducer
Top Hole
Hole
Bottom
Holes
Install the spool wet seal retainer on the main body
3. Install a lubricated O-ring (921) on the left side of
the Valve Body (907) next to the sleeve of the
Spool/Sleeve assembly (917).
4. Install two lubricated Posipak Seals (922) wet seal
retainer (915) so that the O-ring side of both Posi-
paks will be facing the Valve Body (917). Be sure to
Outlet
Inlet
ti18111a
3A2152B
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