Graco 4000cc, 3000cc Install the six cylinder capscrews 10, lockwashers

Repair

13.If Part No. 218742 accessory pump stand is used, place the inlet valve housing and manifold assembly on the pump stand. Install and tightly screw in the three pump stand bolts.

14.Lubricate and install the new seals (3*, 5*) in the inlet and outlet housings (2, 7). Set the cylinder (4) and riser tubes (6) into place in the inlet valve hous- ing (7). Set the outlet housing (2) onto the cylinder and riser tubes.

15.Install the six cylinder capscrews (10), lockwashers

(11)and nuts (12). Tighten the capscrews oppo- sitely and evenly to 81-88 N•m (60-65 ft-lb). See FIG. 10.

16.Lubricate the seals (17*) and press one into each side of the outlet valve housing (2). Press the seats (13), with the unworn sides facing the balls, into the outlet valve housing. Then install the balls (18) and ball guides (16).

17.Apply removable (blue) Loctite® 243 to entire length of the screw (9) threads. Place the outlet manifold

(1)on the outlet valve housing (2) and install the twelve screws (9) and lockwashers (8) loosely.

18.Tighten the inside four screws (9) oppositely and evenly to 3 N•m (27 in-lb) to balance the load on the valves. Then tighten all twelve screws oppositely and evenly to 24-27 N•m (18-20 ft-lb). See FIG. 10.

19.Lubricate the throat packings and glands. Install the spring (28) and one male gland (33†) in the throat cartridge (27), then seven v-packings with the lips facing down: one UHMWPE (30†), one leather (31†), UHMWPE, leather, UHMWPE, leather, UHM- WPE. Install the female gland (32†). Install three v-packings with the lips facing up: UHMWPE, leather, UHMWPE. Install the other male gland (33†).

20.Lubricate the o-ring (52†) and install it on the wet-cup (34). Install the wet-cup finger-tight.

21.Install the o-ring (52†) on the throat cartridge (27). Apply lubricant to the throat cartridge threads then screw the cartridge into the outlet housing (2).

22.Torque the cartridge (27) to 129-135 N•m (95-100 ft-lb).

23.Torque the wet-cup (34) to 95-102 N•m (70-75 ft-lb).

24.Reassemble the spring (35), TSL pump piston seal (36), and o-rings (51).

25.Reassemble the manifold and bottle assembly (53), cap (40), collar (41) and screws (56). Torque the cap (40) to 34-40 N•m (25-30 ft-lb).

26.Reinstall the coupling nut and collars on the piston rod (19).

27.Fill the cavity in the bottom of the motor shaft with grease. Reconnect the lower to the motor as described in your separate pump manual.

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