Graco 25T817, Instruction Manual

Page: 15 / 32

Repair
3A8570B 15
Repair
Refer to Parts , on page 26 for the numbers in this
section.
Replace/Clean Suction Screen
P/N 133377
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 inlet check valve assembly (12) using a
1 3/8 in. wrench (F
IG
. 8).
6. Remove the seal (14) (F
IG
. 8).
7. Remove the suction filter (13) using a 3/4 in. (19
mm) hex wrench from the pump inlet (F
IG
. 9).
8. Inspect the suction filter (13) and either clean or
replace, as needed.
Reassembly
1. Place the suction filter (13) into the pump inlet
assembly (12), using a 3/4 in. (19 mm) hex wrench
(Torque 30 ft-lbs, 40.7 N•m)(F
IG
. 9).
2. Place the seal (14) (F
IG
. 8).
3. Put PTFE thread seal tape onto the thread of the
inlet check valve assembly (12).
4. Insert the inlet check valve assembly (12) and hand
tighten.
5. Turn the inlet check valve assembly 1/2 to 3/4 of a
turn using a 1 3/8 in. wrench. Do not over tighten.
6. Complete using the Installation information
beginning on page 9.
F
IG
. 8
14
12
F
IG
. 9
13