Graco 309277ZAC important safety instructions Use screwdriver to push retaining spring up 207 221

Service

Fig. 18. Grease o-ring (221) and place on sleeve. Slide sleeve/piston rod assembly into bottom of cylinder. Re- place o-ring (207) if desired.

Note: O-ring (207) is not required for safe pump opera- tion.

Fig. 20. Use screwdriver to push retaining spring up.

	207
221	7750A

Fig. 18

Fig. 20. Torque seal and packing nut (202) down onto throat adjustment spacer (228) to 100 +/--10 in-lb (75 +/--5 in-lb for 246257) (140 +/--10 in-lb for 287814, 287815).

Remove throat adjustment spacer (228) when pump packings begin to leak after much use. Then tighten packing nut down until leakage stops or lessens. This allows approximately 100 gallons of additional opera- tion before a repacking is required.

7674B

Fig. 20 Note: Make sure retaining ring falls into slot.

Fig. 21. Push in pin.

202

Fig. 21 7675A

Fig. 19 7726A

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