Graco 233776, 233500, 233501, 233777 Ball Check Repair, Inlet Ball Checks, Outlet Ball Checks

Service

Ball Check Repair

Tools Required

DO-ring pick

Disassembly

NOTE: Ball Check Repair Kit 245067 is available. Parts included in the kit are marked with a double dagger, for example (21}). Use all the parts in the kit for the best results.

1.Remove the fluid covers. See page 14.

2.Remove the inlet and outlet ball checks. Note that the orientation of the inlet check parts is different from the outlet check parts. See Fig. 4.

NOTE: If the inlet seats (26) are difficult to remove, drive them out from the opposite side using a brass rod and hammer.

3.Clean all parts and inspect for wear or damage. Replace parts as needed.

Reassembly

1.Reinstall the inlet and outlet ball checks on one side of the pump. The inlet and outlet checks are assembled differently. Install the parts exactly as shown in Fig. 4.

2.Install one cover (32) loosely, to prevent the ball checks from falling out. See page 14.

3.Turn the pump over and install the ball checks on the opposite side, exactly as shown.

4.Reinstall the fluid covers. See page 14.

		1	24}
1	10 ft-lb (13.6 NSm)	32	27}
			21}
2	Align
	}24		26}
	}23		25}z
	}21		2
	}27		Inlet Ball Checks
	Outlet Ball Checks
	}22		25}
			26}
	}27		21}
	}21
	}23		27}
	}24		24}

1

ti1032a

Fig. 4

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