VMAC - Vehicle Mounted Air Compressors
VMAC Technical Support: 888-241-2289
VMAC Knowledge Base: kb.vmacair.com
24
Hose Requirements
Only attempt to shorten the supplied hose if there is access to the
appropriate equipment. Do not attempt to cut the hose and splice it
using hose clamps.
VMAC Compressor oil will degrade rubber lined hoses, use only
hoses with an AQP elastomer type liner. Contact VMAC Technical
Support at 1-888-241-2289 for further information.
The PTFE tubes and AQP elastomer lined hoses are specifically designed to work
with VMAC compressor oil and at compressor operating temperatures.
Based on the desired location of the AOST, the hose lengths provided with this
system may not be ideal. VMAC suggests first trying to adjust the AOST within its
mounts to take up any excess slack in the hoses. If this is not effective, the hoses
can be shortened or replaced as necessary, or hose extenders can be used.
VMAC recommends shortening these hoses as a preferred alternative to coiling up
and securing the excess.
Shorter hose length will maximize system performance.
Avoid using 90° fittings wherever possible as they cause flow
restrictions and negatively impact performance.
The following hoses are included with this compressor kit:
•
3/4 in × 47 in (oil fill hose).
•
3/4 in × 50 in (discharge hose).
•
1/2 in × 85 in (AOST to cooler).
•
1/2 in × 128 in (cooler to compressor).
•
1/4 in (PTFE tube) × 120 in.
•
1/4 in (black air brake tube) × 60 in.
•
3/16 in (PTFE tube) × 120 in.
If longer hoses are required:
To order parts, contact a VMAC dealer. The dealer will ask for the VMAC serial
number, part number, description and quantity. See page 6 for ordering
information.
•
Eaton Aeroquip hoses with an “AQP” type inner liner are required.
•
OTC fittings are required for the VMAC supplied hose.
•
Push-lock fittings are suitable if FC332 hose is used.
•
If Push-lock fittings are being used, do not use hose clamps as they will
damage the hose and cause leaks.
