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6. It is recommended that a Speedaire air line filter should be installed upstream of the
regulator.
7. The regulator must be installed in such a way that no mechanical force or tension
occurs.
OPERAtING INStRUCtIONS (See Figure 2)
1. Ensure that the pressure to the air inlet of the regulator from air line does not exceed
the maximum pressure specified in the instructions.
2. Before applying inlet pressure, pull the knob upwards until you hear the click, turn it
counterclockwise to release all force on the regulating spring. Then push the knob
downwards until you hear the click.
3. Air inlet pressure can be approached by turning the adjustment. Pull the knob
upwards until you hear the click, turn it clockwise to increase the pressure or
counterclockwise to decrease the pressure. When the desired pressure is obtained,
pull the knob downwards until you hear the click to secure the knob.
4. The set air pressure can be read on the pressure gauge.
5. Always approach the desired pressure gradually, either from a lower pressure to a
higher pressure, or from a higher pressure to a lower pressure.
DIAGRAMS
4ZM05A
4ZM06A
4
4ZM07A
4ZM08A
figure 1
MAINtENANCE
Maintenance Steps
1
disassembly (See figure 2)
• Regulator can be disassembled without removal from air line.
• Shut OFF inlet pressure. Reduce pressure in inlet and outlet lines to zero.
• Turn adjustment fully counterclockwise.
• Disassemble in general accordance with the parts illustrated in Figure 2.
2
cleaning(See figure 2)
• Clean parts with warm water and soap.
• Rinse and dry parts. Blow out internal passages in body with clean, dry
compressed air.
• Inspect parts. Replace those found to be damaged.
assembly (See figure 2)
3
• Lubricate o-rings with a light coat of good quality o-ring grease.
• Assemble the unit as shown on Figure 2.
• Diaphragm valve pin must slide freely thru the valve seat after seat is torqued
into body.
torque table
Parts Ref. No.
Inch Pounds (N-m)
Bonnet
65 to 75 (7.3 to 8.5)
Valve seat
4 to 6 (0.45 to 0.68)
5
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