Graco 308149P important safety instructions Service

Service

16.Lubricate the throat packings and glands, and install them in the outlet housing (19) one at a time in the following order, with the lips of the v-pack- ings facing down: the male gland (23*), one UHMWPE v-packing (22*), one PTFE v-packing (24*), UHMWPE (22*), PTFE(24*), UHMWPE (22*), and the female gland (21*). Apply thread lubricant to the packing nut (2) and install it loosely in the outlet housing.

17.Lubricate the seal (39*) and place it on the top edge of the cylinder (4). Set the outlet housing (19) on top of the cylinder.

18.Install the six long capscrews (32) through the outlet housing (19) and into the intake housing

(17).Using a socket wrench, torque the screws oppositely and evenly to 244–264 N.m (180–195 ft–lb). Remove the pump from the vise and place it on its side.

19.Check that the flats of the priming piston rod (12) are accessible below the intake housing (17). If not, tap on the top of the displacement rod (1) with a rubber mallet, until the flats are exposed.

20.Slide the priming piston guide (13) onto the rod

(12)until it stops. Then install the priming piston (15), with the flat side facing up toward the pump. Apply thread sealant to the threads of the priming piston nut (14). Hold the rod (12) steady with an adjustable wrench on the flats, and screw the nut

(14)onto the rod with another wrench. Torque to 97–106 N.m (71–78 ft–lb). See Fig. 12.

12

13

1 15 14 2 3

1Flat side must face up.

2Apply thread sealant.

3Torque to 97–106 N.m (71–78 ft–lb).

01165

Fig. 12

21.Reconnect the displacement pump to the air motor as explained on page 18.

22.Allow 2 hours for the thread sealant to cure before returning the pump to service.

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