SHAFT SUBASSEMBLYDETAIL 'C'
2. Adjust orifice stroke.
A) Invert the actuator subassembly and place in a
vice as shown in Detail C.
B) Gently press the flange to the orifice.
C) Tighten the nut until the spring retainer slightly
contacts the shaft guide.
D) Continue tightening nut for an additional 1/2 turn.
E) Remove subassembly from the vice. Install the
cotter pin.
Note: Orifice stroke adjustment is critical to the op-
eration of the flow restrictor.
DISASSEMBLY/ASSEMBLY INSTRUCTIONS
SHAFT SUBASSEMBLY
1. Disassemble/Build the shaft subassembly in the order
shown by the Shaft Subassembly Diagram (Figure
4.16).
2. Preload the orifice spring.
A) Tighten nut until slight contact is made with
washer and orifice spring.
B) Continue tightening nut an additional 3 turns.
C) Install cotter pin.
Note: Preloading of the orifice spring is critical to the
operation of the flow restrictor.
Figure 4.16
SHAFT SUBASSEMBLY
Item Description Total
2B1 Poppet Shaft 1
2B2 Orifice Plate 1
2B3 Orifice Spring 1
2B4 Washer 1
2B5 Slotted Nut 1
2B6 Cotter Pin 1
PRESSURE
SLIGHT CONTACT
CONTACT
2B5
2B4
2B3
2B2
2B1
2B6