Graco 312350K important safety instructions Assembly a Assembly B

9.Use a spanner wrench to screw piston (22) onto displacement rod (34). Torque to 40 to 48 ft-lb (54 to 65 N.m).

10.Lay Assemblies A and B (FIG. 24) on work bench.

Assembly A	31	26
		51
		6
		7
		12
29		9
	C	D
	Assembly B	ti10606a

FIG. 24

11.Slide Assembly B in into center of tool (D), Part No. 189305. Align upper detent holes (C) of yoke (9) with center line of tool (D) (FIG. 24).

12.Insert spring (6) and one ball (7) into valve stop (26) of Assembly A. Tilt valve stop and start guiding it into tool (D), making sure ball is sliding into rounded slot in tool (D). Place other ball at the other end of spring and push it in with your thumb while rotating valve stop (26) until spring is horizontal and balls are in place. Continue holding this assembly together (FIG. 24).

13.Slide valve stop assembly down into tool. Make sure balls (7) snap into upper set of holes (C) in yoke (9) and curved ends of guide clamp have engaged valve sleeve (29) groove. Slide tool (D) back over rod (12) to remove it (FIG. 24).

14.Place adapter (43) in a vise. Install seals as described in Replacing Throat Seal Reassembly instructions, page 12.

15.Reassemble cylinder cap (32) to motor housing (43). Install lock washers (52) and cap screws (46) (FIG. 13). Torque the capscrews to 28-32 ft-lb (38 to 43 N.m).

Reciprocator Repair

NOTE: When attaching the motor housing (43) onto the bottom cylinder cap (32), be sure that the port (43b) in the motor housing and the port (32b) in the bottom cylin- der cap are facing opposite directions as shown in FIG. 25.

32b 32

43 43b

FIG. 25

16.Attach adapter (8) to motor housing (43) using four capscrews (15) and lock washers (27). Torque capscrews to 170-180 in.-lbs (19-20 N.m).

43

8

27

15

FIG. 26

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