Village LW-160, User Manual And Reference Manual

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708 Series
High Pressure Titanium Positive Displacement Pump
14
When the manifold assembly has been removed from the crankcase assembly, place the assembly on a clean work
surface. Remove all of the valve plug assemblies from the manifold assembly using a 7/8” socket wrench or combination
wrench. Remove the valve (44) from the assembly, followed by the valve spring (45). With the aide of a pick remove the
o-ring (46) from the valve plug.
Clean and inspect all valve plugs (47) prior to reassembling. If there is a problem, contact your dealer. Once all valve
plugs (47) are clean and dry, install new valve plug o-ring (46) onto valve plug (47). Install the valve spring (45) onto the
valve plug (47), it should now be attached to the plug. Press the valve (44) onto the valve spring (45). Complete valve
assembly shown in Fig. 3.
Fig. 3: Valve Assembly
(NOTE: There are two different valve plug designs)
Inspect the manifold (38) for debris or other fouling and clean if necessary. Inspect the valve seat surface in the manifold.
If there is a problem contact your dealer. Reinstall all the valve plug assemblies with a 7/8" socket wrench or combination
wrench and tighten.
MANIFOLD SEAL ROUTINE SERVICE
You will need these tools and parts to do the following:
Flat screw driver
Seal, LP (45): PN. 70-6009
Silicone Grease Lubricant: PN. 21-1122
Lint-Free Cloths
NOTE
Valve plugs (47) will be reused.
A light coating of silicon grease (PN. 21-1122) should be used on all new o-rings and seals.
Use of any other type of grease may result in o-ring or seal failure.
NOTE
A light coating of Anti-Seize Lubricant (PN. 85-0094) should be applied on all threaded parts, unless otherwise stated.
NOTE
Pump manifold assembly must be detached from the crankcase assembly to service the seals.