Graco 312350K important safety instructions Service

3.Install seal (44) on retainer nut (11). Install retainer nut in pump adapter (8) (FIG. 14). Torque retainer nut to 54 to 56 ft-lbs (73-75 N.m).

4.Slide bottom cylinder cap (32) onto the cylinder (25) ensuring the tie rods (38) go through their respec- tive holes in the top cylinder cap (31).

NOTE: When attaching the bottom cylinder cap (32) onto the cylinder (25) be sure that the port (31b) in the top cylinder cap (31) and the port (32b) in the bottom cylinder cap (32) are in line with each other. Be sure o-rings (13) are in place in the top and bottom cylinder caps as shown in FIG. 15.

31

31b

13

25

13

32

32b

FIG. 15

Service

5.Install lock washers (37) and nuts (36) onto tie rods (38). Torque nuts to 28-32 ft-lbs (38-43 N.m) (FIG. 16).

36

37

38

FIG. 16

6.Install pump adapter (8) to motor housing (43). Install the lockwashers (27) and capscrews (15). Torque capscrews to 170-180 in.-lbs (19-20 N.m).

7.Reinstall fluid tube (45) and fittings (1). Torque fit- tings to 28 to 32 ft-lb (38 to 43 N.m.)

8.Install displacement pump, see Displacement Pump and Reciprocator Reassembly instructions, page 19.

312350K 13