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system. If the hydraulic system comes across as being “spongy”; this could indicate air in the system.
Continue to cycle the wings up and down to remove the sponginess.
4.4.2.4 On SR820 machines, adjust the height of the centre axle using the tractors hydraulic control
levers/buttons until the same height is achieved between the towing eye and clevis hitch of the tractor;
see Figure 4.6.
4.4.2.5 On all machines, once the mower is at the same height as the tractor, carefully reverse the tractor to the
mower and line up towing eye with the clevis pin hole.
Make sure that there are no bystanders or other personnel in between tractor and machine during this
process. Ensure that before leaving the tractor the engine is switched off and the handbrake is applied.
4.4.2.6 If the machine is fitted with either a standard or swivel towing eye, wear pads should be placed between
the towing eye and the clevis hitch; see Figure 4.7.
Wear pads are supplied with the machine and should be periodically replaced when they become
worn out to maximise longevity of the towing eye.
4.4.2.7 Install the towing pin and retaining lynch pin.
4.4.2.8 Fit the drawbar retention chain; see Section 4.4.3.
4.4.2.9 On SR460/620 machines proceed to fit the hydraulic hoses.
SR460/620 SR820
Figure 4.5
Towing Eye Height Adjustment
Figure 4.6
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