Graco 25T818, Инструкции, ремонт и запасные части

Страница: 16 / 34

Repair
16 3A8571A
Repair
Refer to Parts , on page 28 for this section.
Replace/Clean Suction Screen
P/N 133377
Disassembly
1. Follow Pressure Relief Procedure . page 11.
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
. 9).
6. Remove the seal (14) (F
IG
. 9).
7. Remove the suction filter (13) using a 3/4 in.
(19 mm) hex wrench from the pump inlet (F
IG
. 10).
8. Inspect the suction filter (13) and either clean or
replace, as needed.
Reassembly
1. Place the suction filter (13) into the pump inlet,
using a 3/4 in. (19 mm) hex wrench (Torque 30
ft-lbs, 40.7 N•m) (F
IG
. 10).
2. Place the seal (14) (F
IG
. 9).
3. Put PTFE thread seal tape onto the inlet check
valve assembly (12) threads.
4. Insert the inlet check valve assembly (12) and hand
tighten.
5. Turn the inlet check valve assembly (12) one-half to
three-quarters 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
. 9
14
12
F
IG
. 10
13