Graco Inc 249318, 253472, 253471, 311283D, 249617 important safety instructions Installation, ti7779

Models: 253472

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Installation

8.Loosen jam nut (122) with a hammer. Unscrew pump (36) from power head.

Displacement Pump Replacement

3.Hand tighten jam nut (122). Then tighten securely 1/8 to 1/4 turn with hammer or torque to 330 ft-lb (447.4 N•m).

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36

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9. Remove pump (36).

36

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Installation

1.Screw jam nut (122) to bottom of pump threads (36).

2.Slide cover (124) up over pump rod. Screw pump completely up into power head.

122

36

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122

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4.Slide cover (124) up over pump rod. With engine in OFF position, pull recoil starter to move rod until it contacts pump rod.

5.Install coupling (125) around pump rod.

125

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6. Slide cover (124) over coupling (125).

124

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125

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311283D

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Graco Inc 249318, 253472, 253471, 311283D, 249617 important safety instructions Installation, ti7779