Service - Graco Husky 205 D110 Series Instructions Manual

Service Kits
Service Kits may be ordered separately.
To repair the air valve, order Part No. 238853. Parts
included in the Air Valve Service Kit are marked with an
asterisk in the Parts Drawing on page 17, for example
(3*).
For fluid section repair section parts, see the Service Kit
Matrix on page 15. Parts included in the Fluid Section
Service Kit are marked with a dagger in the Parts
Drawing on page 17, for example (4).
Servicing the Air Valve
Service the air valve as follows. See F
1. Relieve the fluid pressure, and disconnect air line
from the pump.
WARNING
To reduce the risk of serious injury whenever you are
instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 8.
14
4
7
F . 5.
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Service

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16
17
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2
3
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2. Remove the four screws (14) that hold the valve
cover (7) on the center housing (1).
3. Remove the valve block (4) and valve carriage (2),
and replace the u-cups (3). Replace the valve
carriage and valve block. When you replace the valve
carriage, position it all the way to one side or the
other.
NOTE: The valve block shown in F
with an air-operated air motor. If your pump has a
solenoid-operated air motor, this step does not
pertain. Items 2, 3, 4, 16, and 17 are not required.
4. Clean any parts that are dirty.
5. To reinstall the valve cover (7), spread cover apart
enough not to damage the square ring packings (6)
and slide cover (7) into the center section.
6. Install the screws (14), and torque to 45 to 47 in-lb
(5.0 to 5.3 Nm). See Torque Sequence on page 18.
7. Reconnect the pump.
1
Lips of u-cups (3) must face toward each
other (toward center of valve carriage (2)).
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