Weir SPM QWS 2500 XL, Operation Instruction And Service Manual, Page: 38 / 44

38 of 44
Document P/N: 2P137414
Release Date: 05/29/2017
Revision: IR
SPM
®
QWS 2500 Duralast
®
Fluid End Removal:
1. Disconnect suction and discharge manifolds lines, plunger lube lines and plunger lube check valves,
and pressure transducer electrical lines.
a) Remove Plunger Clamps using a pneumatic/ratchet wrench and a 3/8" Hex Bit.
2. Ensure that the two SPM
®
provided lifting eyes are installed and torqued per engineering drawing,
attach lifting chain and overhead hoist (5 Ton minimum capacity) to prevent Fluid End from falling off the
Power End. See Lifting Requirements section. Remove the slack from the lifting chains.
3. Using a 2
3/4
wrench, remove the twenty 1
3/4
nuts which secure the fluid cylinder to the power end stay
rods. Remove the fluid cylinder from the power end.
4. Set the fluid end on a pallet up right
5. Inspect the face of the fluid cylinder for wear of fretting around the stay rod holes. Inspect the shoulders
of the stay rods for wear or cracks. For Duralast
®
fluid end installation procedures, refer to the SPM
®
Duralast Fluid End operation and instruction service manual (SPM
®
document number 2P130492)