Graco 25T817, Instruction Manual

Page: 21 / 32

Repair
3A8570B 21
15. Remove four screws (10) on the adapter plate (2)
using a 1/2 in. socket wrench (F
IG
. 26).
16. Remove the adapter plate (2) (F
IG
. 26).
17. Remove the o-ring (5) (F
IG
. 27).
18. Remove both of the pump gears (3) (F
IG
. 27).
19. Inspect the pump cavity and pump gears (3) for
damage or excessive wear. If there is damage or
wear, replace the pump housing assembly. If
neither is present, clean the pump cavity and gears
(3) (F
IG
. 27).
Reassembly
1. Place the pump gears (3) into the pump cavity,
making sure that they spin freely (F
IG
. 27).
2. Put the o-ring (5) into the groove on the adapter
plate (2) cover (F
IG
. 28).
3. Position the adapter plate on the pump housing so
that the notches point toward the pump inlet (F
IG
.
29 and F
IG
. 30).
F
IG
. 25
F
IG
. 26
Pump Housing Assembly
Motor
2
10
5
F
IG
. 27
F
IG
. 28
3
2
5