C. All part reference numbers refer to Fig 184 except as
Phase III adjustable h. p. relief valve.
High pressure relief valve
C-1. Place motor in a shaft down position.
C-2. Remove high pressure relief valve plug (15), O-ring
(17), spring (19), and plunger (20).
C-3. Remove spring seat (7) taking care not to disturb
seat (7), hex nut (8), screw (9) relationship If parts (7),
(8), and (9) are removed as a unit, the high pressure
relief valve setting will remain the same upon