5changing the hydraulic oil, Changing the hydraulic oil, 5 changing the hydraulic oil – MacDon R85 Rotary Disc 16 Foot Pull-Type User Manual
Page 212

8.9.5 Changing the Hydraulic Oil
Change hydraulic oil every 500 hours or three years. See Section
8.5 Recommended Lubricants, page 136
Follow these steps to change the hydraulic oil:
NOTE: A drain pan with a capacity of 180 liters (48 U.S. gallons) will be required.
NOTE: Mower conditioner must be disconnected from tractor. Refer to Section
Mower Conditioner from a Tractor, page 54
.
1. Unscrew cap from filler pipe (A).
2. Lower hitch as low as possible with jack.
Figure 8.121
3. Place drain pan under pump (A).
4. Loosen straps (B) and hose clamp (C) on the pump
suction hose then pull the hose off the fitting.
5. Allow oil to drain into drain pan.
6. Reconnect pump suction hose to pump.
Tighten
clamp (C) and straps (B).
7. Level hitch with the jack.
Figure 8.122
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Rev. D