Vmac G300004, Инструкция по установке, эксплуатации и обслуживанию

Страница: 73 / 112

VMAC - Vehicle Mounted Air Compressors
VMAC Technical Support: 888-241-2289
VMAC Knowledge Base: kb.vmacair.com
71
☐
Rotate the pressure adjusting bolt as required to set the regulated pressure to
145 psi. (Figure 42).
☐
Tighten the locknut.
☐
Test the system.
Once the inlet regulator is adjusted correctly:
☐
Remove the 1/4 in NPT plug from the unloader valve and install the push-to-
connect fitting (Figure 41).
☐
Connect the PTFE tube to the unloader valve.
Each 1/4 rotation of the adjusting bolt is equivalent to
approximately 6 – 7 psi.
Figure 42 — Adjusting the inlet pressure regulator
(air filter plate removed for clarity)
☐
Connect the VMAC Air Test Tool (P/N: A700052) to the discharge fitting of the
WHASP Tank or receiver tank.
☐
With the ball valve on the test tool closed, run the system and note the
maximum pressure achieved (factory default is 145 psi).
☐
Shut the system down and discharge any stored air.
If the inlet pressure regulator is not adjusted to 145 psi:
The following steps require working on the system while it is at
normal operating temperature, special care must be taken to
prevent injury from burns as the surfaces of the unit are hot!
☐
Make a locating mark on the pressure adjusting bolt to assist in making
adjustments.
☐
Loosen the locknut on the regulator (Figure 42).
Setting bolt
Lock nut
Bleed hole
Clockwise to
increase pressure
Counterclockwise to
decrease pressure