Graco Python A25011, Instructions - Parts Manual

Page: 25 / 58

Repair
3A4386E 25
Repair
Pump
Disconnect Pump
1. Follow the Pressure Relief Procedure, page 17.
2. Expose the packing nut (16) by rotating the dust
shield (12) as you pull downward.
3. Loosen, but do not remove, the packing nut (16).
4. Remove the fluid cylinder (13) from the middle sec-
tion. See F
IG
. 7
5. Carefully slide the fluid cylinder (13) away from the
air motor housing (1), taking great care to keep the
fluid plunger (5) from contacting any metal surfaces.
The fluid plunger (5) will stay attached to the air
motor during repair. See F
IG
. 7 and F
IG
. 8.
Before servicing or repairing your pump, verify that
pressure is relieved according to the Pressure Relief
Procedure, page 17, and that all fluid and pneumatic
lines are properly shut off, or sealed with compatible
valves and disconnected.
F
IG
. 6 Expose and loosen packing nut
16
12
1
2
3
F
IG
. 7 Remove fluid cylinder
13
1
1
2