8 assembly – Trebor 110R User Manual
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MODEL 110R PUMP OPERATION / MAINTENANCE MANUAL
4.8 ASSEMBLY
4.8.a Head Assemblies
Pilot Valve (Both Heads)
Install the pilot valves with 2 wraps of TFE thread tape in each head.
Figure 4-1
Shuttle Assembly (Master Head)
NOTE: Ensure that the shuttle spool moves freely inside the shuttle sleeve prior
to installation. Never lubricate spool or sleeve.
Check the shuttle assembly making sure it has notched O-rings on each end.
(See Section 4.4 for shuttle detail.)
Insert shuttle sleeve into the shuttle bore.
Insert shuttle spool.
Insert detent.
Install shuttle cap with 2 wraps of TFE tape.