Graco 25T817, Instruction Manual

Page: 20 / 32

Repair
20 3A8570B
Clean and Inspect Pump Gears
Disassembly
1. Follow Pressure Relief Procedure . page 10.
2. Turn off and disconnect the power to the pump.
3. Remove the pump from the tank.
4. Remove the suction tube from the pump.
5. Remove the four terminal box cover screws (F
IG
.
22).
6. Pull the terminal box cover gently upward off of the
terminal box.
7. Remove the gasket.
8. Use a screw driver to disengage pressure switch
wire from E1. Unplug the other pressure switch wire
from the connector containing the yellow and white
cables (F
IG
. 23).
9. Cut the pressure switch wire (F
IG
. 23) with the fork
connector.
10. Loosen the strain relief nut (F
IG
. 23).
11. Pull the pressure switch wire out of the terminal box
through the strain relief (F
IG
. 23).
12. Pull the pressure switch wire out of the wire clamp
(F
IG
. 24).
13. Remove the four Allen screws (6) using an 5/16 in.
(8 mm) hex wrench (F
IG
. 24).
14. Remove the pump housing assembly from the
motor (F
IG
. 25).
F
IG
. 22
Terminal Box
Cover Screws
F
IG
. 23
F
IG
. 24
E1
Strain Relief Nut
Strain Relief
6
Wire Clamp