Giant Triplex Ceramic Plunger Pump REPAIR INSTRUCTIONS - P46W, P46W-HK,P46HT

REPAIR INSTRUCTIONS - P46W, P46W-HK, P46HT

1.With a 22mm socket, remove the three discharge (43) and three inlet (41) manifold plugs. Check o-rings (42 & 44) for wear and replace as necessary.

4.Drain the oil from the pump. Turn the pump over to remove the two manifold stud nuts (46) with a 17mm wrench.

2.Remove the discharge spring retainer (34), valve spring (35), and valve plate (36).

5.Tap the back of the manifold (29) with a rubber mallet to dislodge, and slide off the pump.

3.Use a small slide hammer to remove valve seats (37) from manifold (29). Inspect valve plates (36) and valve seats (37) for wear. If excessive pitting is seen, replace the worn parts. Check valve seat o-ring (38) for wear and replace as necessary.

6.From the front inlet valve ports, remove the inlet valve assembly (34-40).

34 35 36 40 37 39

7.Inspect and clean the valve assembly parts. If pitted or worn, replace inlet valve seats (37), valve plates (36), spring (35) and spring retainers (34). Reinsert items 34-38 into valve adapter (39).

NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600

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