Graco 246830 - Reassembly

Reassembly
309577K 15
Reassembly
Coat all non-Loctited parts with Graco 217374
ISO Pump Oil before reassembly, to ease future
disassembly.
1. Install ball (16*) in rod (1). Center u-cup (13*) on
rod (1). Lips of u-cup must face up. Use piston
(7) to evenly push u-cup onto rod, then remove
piston. Slide bushing (14*) onto rod (1). Wide
end of bushing must face up, toward u-cup.
Sealing patch on piston threads is good for four
repackings. Use Loctite® on piston threads
after four repackings; be sure none gets on ball.
2. Install piston (7). Be careful not to damage seal-
ing edges of u-cup. Torque as specified below.
Model Torque
ft-lb (N•m)
246830 and 245970 24-30 (32-40)
246831, 245971, and 262648 47-53 (63-71)
246832 and 245972 47-53 (63-71)
TI2666b
1
16*
18*
*13
7
TI2818A
1
Lips face up.
1
14
246831, 262647, 245971,
262648 only
Typical configuration
1
16*
7
14
TI2666a
3. Install throat u-cup as follows:
a. Models 246831, 262647, 246832,
245971, 262648, and 245972: Grease
u-cup (20*) and cylinder (2). Place
u-cup in cylinder with lips facing down.
Be careful not to damage sealing edges
of u-cup. Install packing nut (19) to prop-
erly insert and align u-cup, then remove
packing nut.
b. Models 246830 and 245970: Grease
u-cup (20*) and cylinder (2). Place seal
installation tool (23*) in cylinder. Place
u-cup in tool with lips facing down. Be
careful not to damage sealing edges of
u-cup. Press u-cup in place with 7/8 in.
deep-well socket (S). Remove socket
and tool.
TI2675A
19
20*
2
TI2818A-1
1
Lips face down.
1
TI2700A
23*
20*
2
S