Graco Inc D 5 E Service, Air Valve Husky 515 and Husky 716 Pumps, NOTE Center housing 11 is

Service

Air Valve (Husky 515 and Husky 716 Pumps)

NOTE: Air Valve Repair Kit 241657 is available. Parts included in the kit are marked with a dagger ({) in Fig. 6 and in the Parts Drawings and Lists. A tube of general purpose grease 111920 is supplied in the kit. Service the air valve as follows. See Fig. 6.

1.Relieve the pressure. See

Pressure Relief Procedure on page 10.

2.Remove the cover (10) and the o-ring (4).

3.Remove the carriage plungers (7), carriages (8), carriage pins (9), and valve plate (14) from the center housing (11).

4.Clean all the parts, and inspect them for wear or damage.

NOTE: If you are installing the new Air Valve Repair Kit 241657, use all the parts in the kit.

5.Grease the lapped surface of the valve plate (14), and install the valve plate with the lapped surface facing up.

6.Grease the bores of the center housing (11), install the u-cup packings (2) on the carriage plungers (7), and slide the carriage plungers into the car- riage plunger bores. See the following important installation notes:

NOTES:

DWhen you install each u-cup packing (2) on each carriage plunger (7), make sure the lips of the u-cup packing face toward the clip end (the smaller end) of the carriage plunger.

DWhen you slide the carriage plungers (7) into the bores, slide them in with the clip ends (the smaller ends) facing toward the center of the center hous- ing (11).

7.Grease the carriage pins (9), and slide the carriage pins into the carriage pin bores.

8.Install the carriages (8). Make sure the carriages engage the clip ends of the carriage plungers (7) and carriage pins (9).

9.Grease the o-ring (4), and seat it in the groove around the cover opening of the center hous- ing (11).

10.Screw the cover (10) into the center housing, and torque the cover to 80 to 100 in-lb (9.0 to 13.6 N-m).

NOTE: Center housing (11) is		{8
shown separated from the air					1	10
covers, but it is not necessary to
				2{
remove the air covers for this		5	4		3 14{
	5 4 {2
service. Leave the center housing		4	6	7{
and air covers assembled for this	4	6 {7

service.

{Included in Air Valve Repair Kit 241657

1Torque to 80 to 100 in-lb (9.0 to 13.6 N-m).

2Apply grease.

3Apply grease to lapped face.

4Apply grease to bores of center housing (11) before installing.

5Seal lips face clip end (the smaller end) of carriage plunger (7).

6Install with the clip ends (the smaller ends) facing toward center of center housing (11).

Fig. 6

4 2

11

9{ 2 8{

9{ 2

9069A

308981 13