VMAC - Vehicle Mounted Air Compressors
VMAC Technical Support: 888-241-2289
VMAC Knowledge Base: www.kb.vmacair.com
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Figure 21 — Installing the AOST
(For clarity, the rear AOST mounting hardware is not shown)
Front of vehicle
(×4) 3/8 in
washer
(×2) Pinch bolt
The top bolt on the forward tank mount will need to be installed
from the inside of the frame (Figure 21).
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Install the tank mounting brackets on the frame (Figure 21):
• The front tank mount bracket mounts between the radius arm mount and
the transmission crossmember.
• The rear tank mount bracket mounts just before the bend in the frame.
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Using the (×2) supplied 3/8 in × 6 in bolts, install the rear tank mount and
backing strap approximately 10 in ahead of the rear cab mount. Leave the bolts
finger tight to allow for minor adjustment (Figure 21).
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Remove the tank clamp pinch bolts.
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Install the tank clamps over the front of the tank and slide them toward the
centre of the tank.
Install the tank onto the tank mounts (Figure 21)*:
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*Adjust the tank in the straps to bring the rear of the tank close to (but not
touching) the rear cab mount.
☐
Using the (×2) supplied 3 in × 1/4 in pinch bolts and install them into the
mounting clamps. Leave the fasteners finger tight to allow for adjustment
when installing the hoses.
(×4) 3/8 in flange
lock nut
(×4) 3/8 in × 6 in bolt
(×2) Pinch bolt
lock nut
(×4) 5/16 in ×
1/2 in bolts
