Graco 246831 - Page 13

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