VMAC - Vehicle Mounted Air Compressors
VMAC Technical Support: 888-241-2289
VMAC Knowledge Base: kb.vmacair.com
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Connect the hoses to the priority valve* (Figure 36):
☐
*Connect the bypass port on the priority valve to a hose running back to the
hydraulic fluid reservoir.
☐
*Connect the regulated flow port on the priority valve to the input port on
the crane.
☐
*Connect the input port on the priority valve to the hydraulic pump.
Figure 36 — Connect priority valve
Bypass port (return to tank)
Regulated flow port (to crane)
Input port (from pump)
Input port
Regulated
flow port
Bypass port
Ensure the hydraulic hoses are adequately supported; the span
between the pump and the nearest hose support must be 12 in or
less.
Failure to properly support the hydraulic hoses may damage the
pump and will void the PTO warranty.
