WS273 XD, WS305 XD, WSF273 XD, WSF305 XD, WSP273 and WSP305 Well Stimulation Pumps Caterpillar

Removal Procedure

Start By:

1. Remove the manifold (suction).

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Illustration 1	g03362870

Note: Clamp (1) halves are matched pairs. Place identification marks on clamp (1) for installation purposes.

1. Remove bolts (2) and clamp (1). Repeat for the remaining clamps.
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   Table 2

   Approximate weight of Fluid End (3)
   Sales Model	Approximate Weight
   WS273 XD WSF273 XD	2093 kg (4614 lb)
   WS305 XD WSF305 XD	3344 kg (7372 lb)

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Illustration 2	g03362874

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Illustration 3	g03362941

2. Use the provided lifting eyes and a suitable lifting device to remove fluid end well stimulation (3). Refer to Table 2 for the approximate weight of Fluid End (3). Remove nuts (4) and Fluid End (3) .

Installation Procedure

1. Install the Fluid End (3) in the reverse order of removal.

   Note: Check the length of each rod before installing fluid end (3). Refer to Disassembly and Assembly, " Rod - Remove and Install".

   1. Apply Tooling (C) on the rods.
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      Table 3

      Torque of Nuts (4)
      Sales Model	Nut (4) Torque
      WS273 XD WSF273 XD	3661 N·m (2700 lb ft)
      WS305 XD WSF305 XD	3661 N·m (2700 lb ft)

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   Illustration 4	g03494204
   Triplex Well Stimulation Pumps.

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   Illustration 5	g03645339
   Quintuplex Well Stimulation Pumps.

   2. Torque nuts (4) in sequence shown in Illustration 4 and 5. Refer to Table 3 for torque of nuts (4) .

   3. Apply Tooling (B) on bolts (2). Tighten bolts (2) to a torque of 108 N·m (80 lb ft).