SCREW 1J6749 - Caterpillar

Removal Procedure
Table 1
Require Tools
Tool Part Number Part Description Qty
A TBD Enerpac Well Stimulation all in One 1
B - Loctite 262 -
C - Nickel Anti-Seize - Start By:
Remove the manifold (suction).
Illustration 1 g03362870Note: Clamp (1) halves are matched pairs. Place identification marks on clamp (1) for installation purposes.
Remove bolts (2) and clamp (1). Repeat for the remaining clamps.
Table 2
Approximate weight of Fluid End (3)
Sales Model Approximate Weight
WS223 1507 kg (3322 lb)
WS223 XD 1837 kg (4050 lb)
WS223 SS 1828 kg (4030 lb)
WSF223 1507 kg (3322 lb)
WSF223 XD 1837 kg (4050 lb)
WSF223 SS 1828 kg (4030 lb)
WS255 2182 kg (4810 lb)
WS255 XD 2431 kg (5359 lb)
WS255 SS 2429 kg (5355 lb)
WSF255 2182 kg (4810 lb)
WSF255 XD 2431 kg (5359 lb)
WSF255 SS 2429 kg (5355 lb)
Illustration 2 g03362874
Illustration 3 g03362941
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
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".
Apply Tooling (C) on the rods.
Table 3
Torque of Bolts (4)
Sales Model Bolt (4) Torque
WS223
WS223 SS
WSF223
WSF223 XD
WSF223 SS 3254 N m (2400 lb ft)
WS255
WS255 SS
WSF255
WSF255 XD
WSF255 SS 3254 N m (2400 lb ft)
Illustration 4 g03494204
Triplex Well Stimulation Pumps.
Illustration 5 g03645339
Quintuplex Well Stimulation Pumps.
Torque nuts (4) in sequence shown in Illustration 4 and 5. Refer to Table 3 for torque of nuts (4).
Apply Tooling (B) on bolts (2). Tighten bolts (2) to a torque of 108 N m (80 lb ft).