MacDon R85 Rotary Disc 16 Foot Pull-Type - Manual (Page 212)

MAINTENANCE AND SERVICING
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 5.9 Disconnecting the
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