Graco A Series Instructions-Parts List Manual page 9

Service
Valve Needle and Packing Replacement
To reduce risk of serious injury when relieving pres-
sure, always follow Pressure Relief Procedure,
page 5.
1. If fluid leaks past v-block packing (4), seal housing
(20) may be loose, or v-block packing (4) or valve
stem (28) may be worn. Tighten seal housing.
308124H
2. If gun still leaks, relieve pressure.
3. Disconnect hose from gun. Disassemble gun and
replace v-block packing (4) and copper gasket (9).
CAUTION
When tightening bushing (19), be sure to grip gun
body (11), not handle (12). This reduces the chance
of loosening connections and damaging the gun.
Service
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