Repair When Pump Is On Sprayer - Graco A Series Repair Manual

Service
Repair When Pump is On
Sprayer
1. See Pressure Relief Procedure, page 4.
2. Remove intake valve.
3. Push up retaining spring (26).
26
10
ti4258c
ti4258a
4. Push out pin (29). Ensure spring covers pin after
assembly.
29
5. Disassemble intake valve. Clean and inspect.
O-ring (227) may require a pick for removal.
NOTE: Spring (233) only used on 17H830, 16X423, and
17H831.
6. Remove piston rod and sleeve.
ti7746a
26
ti4258b
All Mark pumps
3A6584A