Graco 3A1495C Water Pump User Manual


 
Instructions
12 3A1495C
4. Remove nut retainer (37) from flange (22) (Fig. 28).
5. Remove u-cup seal (11) from flange (22) (Fig. 29).
Grease and replace the u-cup seal with the new part
included in the kit and install them in the order
shown in Fig. 29.
NOTE:
The bearing (31) is not included in the kit. This
part is reused. The bearing can be installed with
either side facing up. There is not just one way
to install this part.
The bearing (31) is a transition fit and in some
installations it may not be removed.
Be sure u-cup seal (11) is installed with the lips
facing down as shown in Fig. 29.
6. Install displacement rod (25) through flange assem-
bly (22) (Fig. 30).
7. Remove and discard the 3 small o-rings (12) and
o-ring (6) in the bottom cover (14) (Fig. 30). Grease
the new o-rings (12) and o-ring (6) included in the kit
and install them in the bottom cover housing.
8. Reassemble the pump as described in the Reas-
sembly instructions, page 7.
O-Ring and Seal Replacement Kit - 24H856
(Fig. 31)
Replacement parts for gasket (30) installed in the flange
and around the circumference of the cylinder (26), o-ring
(10) installed around the seal retainer (29), pin (8) used
to reassemble rod sections, and replacement seals (24
and 28) installed on the displacement rod assembly.
Fig. 28
Fig. 29
22
37
22
11
31
Lips down
37
Fig. 30
Ref. Description
Qty
.
8 PIN, slotted, straight 3
10 O-RING 1
24 SEAL, piston 1
28 SEAL, intake 1
30 GASKET 2
Fig. 31
12
14
25
6
28
10
24
30
8