Graco A Series Instructions Manual page 13

11. Remove the packing wet-cup as follows:
a. Component A (ISO) Pumps:
- Remove the packing wet-cup assembly.
- Compress the piston (28) into the wet-cup (19),
using a 1/2 in. (13 mm) x 2.5 in. (64 mm) bolt
with washers and nut.
- Remove the retaining ring (22).
- Remove the bolt, washers, and nut.
- Remove the piston (28), spring (25), and o-rings
(24, 26, 27).
28
25
19
b. Component B (Resin) Pumps:
Unscrew the packing nut (19). Remove the retaining
ring (22) and felt washers (21).
309577T
12. Loosen the intake valve housing (5) with a
22
24
26
13. Disassemble the intake valve. Be sure to remove
27
TI3735a
NOTE: The spring (8) is on Models 246832 and 245972
only.
22
14. Tap the rod (1) with a non-sparking hammer to drive
21
19
TI2662A
Typical configuration
NOTE: The sleeve (4) may come out with the rod.
non-sparking hammer, then unscrew. Remove the
o-ring (15).
the o-ring (10).
12
11
9
it out of the cylinder (2).
2
4
1
TI2672B
Repair
15
5
TI2664A
8
10
5
TI2665A
2
4
1
TI2672A
246831, 262647, 245971,
262648, 24Y175, and
24Y174 only
13