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Engine run stand. Aviation tools: standard castor arrangement

Normally the transporter and engine cradle will be delivered with the four castor wheels in the ‘raised state’, i.e. via road transport; in which case either, fork lift removal or crane lift will be required to transfer the machine to ground level or working surface.

At the time of transfer, it is convenient to lower each set of castors by removing their respective locking pins and changing them to the alternative ‘transport’ position, using the turning bars to increase leverage. A check should be made that both aircraft tools turning handles are in the stowed position on the transporter stand.

It is essential to ensure that all securing bolts between engine cradle and transporter stand FB70010-2V250, FB70010-2V250ASH will fit in position, and that the ‘D’ pins will easily be attached before attempting to load an engine within the cradle.

A visual check of aviation tools should be made that both sets of side struts are well secured and tightened before loading takes place.

Alternative Ackerman type steering arrangement

A check of aviation tools should be made that the tow-bars or optional FB7000-500-40LT, FB70000-500-76LT are attached to the stand, and that both hand operated hydraulic pumps and cylinders are working correctly, and that wheel movement, at each end of the transporter stand, is easily achieved.

Each wheel should be set to the required ground clearance, (either 100mm or 250mm), by selecting the correct locking pin position and operating the hand pump accordingly. It is recommended that this operation is carried out by a minimum of two people for ease of operation and safety reasons.

In order to lower the transporter stand completely, (i.e. during transportation), the wheels can be further raised by removing the locking pins altogether, and retracting the cylinders completely.

Ackerman type steering system

The tow-bars are attached to the steering assembly by means of a locking pin. It is necessary to lock the pin in position by means of a safety pin. The tow-bar has a simple ‘tug-eye’, and is stowed on the axle assembly when not in use. Locking pin (Det. 60) is installed in the steering linkage to become a steering directional lock, when the tow-bar or hand steering bar (FB70135-1) is not in use.

To prevent damage to the aircraft tools steering mechanism, this has to be removed to be able to install the tow-bar or steering bar. Operation of the hand-pumps to raise or lower the stand will give ground clearance of 4” or 10” depending on which locking pin position is selected. By retraction of the cylinder, and no locking pin inserted, the stand will sit directly to the ground for shipping and storage purposes. If you want to raise or lower the stand you have to follow special instructions.

There are qty 2 manually operated wheel parking locks (dets 67, 70, 71, 82, 83, 95, 111) qty 1 on each axle. These must be put into the lock position when the stand is parked or stored unattended to prevent any inadvertent movement.

It is important to note that before any controlled movement or towing operations these locks must be retracted into the unlock position or serious damage to the running gear/steering mechanism

may occur. There is a yellow warning label adjacent to each lock (WARNING RETRACT WHEEL LOCKS ON BOTH AXLES BEFORE TOWING)

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