Graco A Series Instructions - Parts

Repair
309856A 39
Piston and Purge Rod
1.
Follow
Pressure Relief Procedure
, page 17.
2.
Flush Gun
, page 21.
3.
Disconnect air (D) and remove fluid manifold (G).
4.
Disassemble Front End
, page 33.
5.
Unscrew purge rod stop (15) and remove safety
lock assembly. Inspect o-rings (14, 18) in place.
TI3837a
G
D
15
14
TI3847a
18
6.
Pull purge rod to remove piston (32). Inspect piston
o-ring (16) and shaft o-ring (19).
7.
Inspect purge rod (31) for scratches or damage.
Unscrew rod from piston with nut driver. Inspect
o-ring (18). Liberally lubricate and reassemble.
8.
Liberally lubricate piston o-rings. Reinstall piston.
Shaft is keyed for proper assembly. Push firmly to
seat piston. Rotate piston/purge rod assembly
clockwise with nut driver until piston is fully seated.
16
19
32
TI3846a
18
19
31
TI3848a
16
32
TI3846a

Graco A Series Specifications

General

Brand	Graco
Model	A Series
Category	Water Pump
Language	English