![background image](http://html1.mh-extra.com/html/graco/gc0329/gc0329_repair-and-parts-manual_2253519021.webp)
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9.
Lubricate and install two P/N
GC0049 O- Rings on
P/N GC0229 cylinder.
10.
Using a light weight non-detergent oil, coat the seal
on the shaft assembly and the walls of the cylinder,
then install the shaft assembly into the cylinder,
leave approximately 4” of the shaft exposed on the
top side.
11.
Install cylinder/shaft assembly into P/N GC0231
pump Head, careful not to cut O-Ring for pump
P/N GC0808.
12.
With the Pump Assembly upside down, (easy if
clamped in a vise) install Foot Valve Housing
P/N GC0307. (GC0808 Pump)
P/N GC2391 & P/N GC1971 (GC0329 Pump)
13.
Set P/N GC0306 Spring in place and set P/N
GC2277 Ball on Spring.
For the GC0329 pump, set the GC2277 ball in the
housing.
Section 1 - General Information: Maintenance