13
8d.
When the system reaches approximately 8 psi (55
kPa), pull up on the Series 79N auto vent knob.
NOTE:
The auto vent should seal and remain in the "UP" posi-
tion.
8e.
Replace the protective cap over the auto vent knob.
8f.
When the system reaches a minimum of 13 psi (90
kPa), close the fast-fill ball valve on the air maintenance
device.
9.
Open the slow-fill ball valve on the air maintenance
device.
10.
Open the piston charge line ball valve.
11.
Remove the protective cap from the Series 749 Auto
Drain.
• Make sure the protective cap is replaced on the Series 79N auto vent knob to avoid
accidental contact.
Hitting the knob will cause the valve to trip, resulting in property damage.
Auto Vent
Knob
Auto Vent
Protective
Cap
Fast-Fill
Ball Valve
Slow-Fill
Ball Valve
Piston
Charge Line
Ball Valve
Auto Drain
Protective
Cap
DISCONTINUED
PRODUCT
