Valve - Graco Husky 1050HP Repair Parts

Replace Seals Seals or or or Rebuild
Replace Replace Seals
Follow these instructions to service the High/Low
valve. High/Low Valve Seal Kit 24W949 is available
to replace o-rings 402 and 405. Kit 24W952 also is
available to replace the 6 o-rings between the air
valve and the High/Low manifold. Kit 24W950 is
available to replace the spool (404).
Disassemble the the High/Low High/Low Valve
Disassemble Disassemble the High/Low
1. Follow steps 1 and 2 under
Replace Complete High/Low Valve, page
2. Use a 5/16 in Allen wrench to remove two screws
(407).
3. Remove the High/Low valve (406). Unscrew the
handle (403) from the spool (404), then remove
the spool. Use an o-ring pick to remove all
o-rings (402 and 405) from the spool.
NOTE: NOTE: NOTE: The High/Low manifold block does not
have to be removed from the primary center
section.
Reassemble Reassemble Reassemble the the High/Low the High/Low Valve High/Low
NOTE: NOTE: Apply lithium-based grease when instructed NOTE:
to grease.
1. Use all parts in the seal kit. Clean other parts
and inspect for damage. Replace as needed.
2. Grease two o-rings (402) and install them in the
manifold block (401).
334390E
All manuals and user guides at all-guides.com
Rebuild the the High/Low High/Low Valve
Rebuild the High/Low

Valve

Valve
14.
Valve Valve
Valve
Valve
3. Grease and install three o-rings (402 and 405)
on the spool (404).
4. Grease the outside edge, then install the spool
(404) in the High/Low valve (406). Install the
lever (403).
5. Use two screws (407) to reattach the High/Low
valve. Torque to 340–360 in-lb (38–41 N•m).
6. Reconnect the main air line and the air manifold
hoses (108).
Apply lithium-based grease.
Torque to 340–360 in-lb (38–41 N•m).
Repair
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