Grip Factory Munich GF-Quad Dolly - Manual (Page 25)

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9 Service and maintenance
The GF-Quad Dolly and accessories should be inspected at regular intervals,
checking for wear and tear etc. Check that all locking bolts etc are secure. All
4 pneumatic wheels should have the same pressure. The manufacturer
recommends tire pressure of 40 psi / 2,8 bar.
Should the wheels / wheel axles need to be realigned it is a simple and fast
adjustment:
Place the dolly on its side, balanced on the side of 2 pneumatic wheels.
Take the necessary precautions to ensure that the dolly cannot fall
over.
Loosen the adjustment screw on the adjustable connection rod (
between front and rear axles). Make sure the wheels are aligned and
sitting on perfectly level floor or equivalent.
When the wheels are perfectly aligned, tighten the screw securely.
As an alternative to this method the dolly can be turned upside down and
supported so that the wheels are off the ground. Remove 2 wheels on 1 side
of the dolly. Loosen the adjustment screw on the adjustable connection rod.
With a suitably long spirit level or straight edge, align the 2 wheel connections
and retighten the adjustment screw on the adjustable connection rod.
Let the good times roll with your
GF-Quad Dolly!
Technical specifications are subject to change without prior notice!