Graco 332339B important safety instructions Upper Throat Assembly

8.Install the o-rings (7) on the lower packing nut

(6). Screw the packing nut into the lower throat cartridge (4). Torque to 20–30 ft-lb (28–40 N•m).

9.Slide the lower packing cartridge (4) onto the piston rod (2) and screw the cartridge into the cylinder (1). Torque to 35–45 ft-lb (48–61 N•m).

10.Screw the rod guard (8) securely onto the lower packing nut (6). Make sure the plug (9) is in place at the bottom of the rod guard.

11.Lubricate the o-rings (7) and packing(s) (10). Place one packing (10) into the tool (T) included with the seal kit. The lips of the packing must face out of the tool. Insert the tool into the upper throat cartridge (4). Push on the tool’s shaft (P) to seat the packing securely in the cartridge. When seated, the lips of the packing will be facing down. Install the bearing (11). Install the second packing (10) with the lips facing down.

Figure 15 Upper Throat Assembly

Repair

12.Install the o-ring (7) on the upper packing nut

(5). Screw the packing nut into the upper throat cartridge (4). Torque to 20–30 ft-lb (28–40 N•m).

13.Slide the upper packing cartridge (4) onto the piston rod (2) and screw the cartridge into the cylinder (1). Torque to 35–45 ft-lb (48–61 N•m).

14.Install the lower on the driver; see Reconnect the Lower to the Driver, page 16.

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