Displacement Pump Replacement
311283J 11
8. Loosen jam nut (122) with a hammer. Unscrew
pump (36) from power head.
9. Remove pump (36).
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.
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).
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.
6. Slide cover (124) over coupling (125).
ti7782
122
36
ti7804
36
36
122
ti7779
ti7817
122
ti7771
125
ti7815
125
124
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