MacDon R85 Rotary Disc 13 Foot User Manual

Page 106

MAINTENANCE AND SERVICING

169454

104

Revision C

7.7.1.3 Changing Hydraulic Oil

NOTE

Change hydraulic oil every 500 hours or
three years. See Section 7.3.2
Recommended Lubricants.

NOTE

Mower conditioner must be disconnected
from tractor. Refer to Section 6.5 MOWER
CONDITIONER / TRACTOR UNHOOK.

a. Unscrew

cap from filler pipe (A).

b. Lower APT hitch as low as possible with jack.

c. Place a 50 gallon (190 liters) drain pan under

pump (B).

d. Loosen straps (C) and hose clamp (D) on the

pump suction hose, and pull the hose off the
fitting.

e. Allow oil to drain into container.

f. Reconnect pump suction hose to pump. Tighten

clamp (D), and straps (C).

g. Level APT hitch with the jack.

h. If header drive performance improvement system

is installed, proceed to step i. Otherwise, proceed
as follows:

1. Fill with approximately 39 gallons (US)

(147 liters) of clean single grade

trans-hydraulic oil through filler pipe (A).

2. Check sight glass (E) for proper oil level.

3. Replace cap on filler pipe.

i. If header drive performance improvement system

is installed:

1. Clean area around hose (F) and fitting (G) on

APT.

2. Loosen the hose (F) at fitting (G).

3. Remove fitting (G).

4. Add approximately 46 gallons (US) (174 liters)

of clean single grade trans-hydraulic oil
through filler pipe (H) until level reaches
bottom of filler pipe (H).

(continued next page)