Installing high pressure pilot valve
Inspecting high pressure pilot valve
C-4 Install high pressure relief valve pilot (13), spring
(11), inner spring seat (10), and a new O-ring (6) See
High pressure relief valve
High pressure relief valve and pilot
Secure with spring seat assembly (7, 8, 9) being careful
not to disturb the seat, hex nut, screw relationship See
5. Inspect high pressure relief valve plunger (20).
Check for free movement In relief valve body If any
Inspecting high pressure relief valve
tightness is felt, rework as necessary to remove nicks,
scratches or Irregularities
Check valve body against tolerance limits in Fig 146.
Install plunger (20), spring (19), a new O-ring (17) and
secure with spring seat (15).