(57) A service tool to be fitted to a tractor to extract and support the cover 2 of the
housing 2A of a hydraulic lift mechanism. The tool includes a hoist 9 by which the
cover 2 is lifted from the housing. The hoist 9 is supported on a pivotal structure
comprising rigid links 4, 10 and the structure is swung bodily together with the hoist
9 and the cover 2 after it has been raised and secured to the hoist 9 in a clockwise
direction, as viewed in Figure 2, to withdraw the cover 2 from a position beneath
the cab 3 of the tractor. The pivotal movement of the links 4 and 10 is limited by
a stop-pin 17 slidable in a slotted arm 14 also forming part of the structure. The
hoist 9 together with the cover 2 is then swung about a pivot 7 to invert the cover,
the arm 14 holding the inverted cover 2 displaced laterally from the housing 2A.
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