25
IOM-131
MODEL: LS-14
REV: F
13839 West Bellfort Street, Sugar Land, TX 77498
welker.com
Service Department 281.491.2331
Receiver Cylinder
Figure 14: Receiver Cylinder Maintenance Diagram
21.
Closely examine the polished and honed surfaces of the receiver cylinder, as scratches or pits may cause the seals to
leak. If scratches or pits are present, the unit may need to be repaired or replaced. Contact Welker for service options.
22.
Lightly lubricate the inside of the receiver cylinder.
DO NOT use a hydrocarbon-based lubricant, as it can leave a residue that can skew laboratory analysis results.
23.
Ensure that the bearing in the receiver piston is clean and smooth. Replace as necessary.
24.
Replace the back ups, O-rings, retaining ring, and snap ring on the receiver piston.
25.
Closely examine the polished and honed surfaces on the mixing shaft, as scratches or pits may cause the seals to leak. If
scratches or pits are present, the unit may need to be repaired or replaced. Contact Welker for service options.
26.
Lightly lubricate the mixing shaft.
DO NOT use a hydrocarbon-based lubricant, as it can leave a residue that can skew laboratory analysis results.
27.
Insert the mixing shaft into the receiver piston, taking care not to damage the seals. Gently rotate the threads through
the seals.
28.
Insert the receiver piston into the receiver cylinder.