Graco 246831 - Disassemble the Pump

Disassembly
12 309577K
11. Remove packing nut/wet-cup as follows:
a. Component A (ISO) Pumps:
• Remove packing nut/wet-cup
assembly.
• Compress piston (28) into wet-cup
(19), using a 1/2 in. (13 mm) x 2.5
in. (64 mm) bolt with washers and
nut.
• Remove retaining ring (22).
• Remove bolt, washers, and nut.
• Remove piston (28), spring (25),
and o-rings (24, 26, 27).
b. Component B (Resin) Pumps:
Unscrew packing nut (19). Remove
retaining ring (22) and felt washers (21).
TI3735a
19
25
28
24
22
26
27
TI2662A
19
22
21
12. Loosen intake valve housing (5) with non-spark-
ing hammer, then unscrew. Remove o-ring (15).
13. Disassemble intake valve. Be sure to remove
o-ring (10).
Spring (8) is on Models 246832 and 245972
only.
TI2664A
15
5
TI2665A
5
11
9
10
8
12