User Manual
  SECTION 7 MAINTENANCE AND SERVICING 
169000 / 169040  117  Revision E 
7.7 HYDRAULICS 
7.7.1 Hydraulics: Self-Propelled 
Refer to your Self-Propelled Windrower 
Operator’s Manual for hydraulic system 
maintenance procedures for self-propelled 
windrowers. 
7.7.2 Hydraulics: Pull-Type 
The pull-type mower conditioner is hydraulically 
powered using the following systems: 
  A self-contained hydraulic system to operate 
the header functions. 
  The tractor remote system to operate the 
header lift cylinders and steering. 
WARNING 
Do not use remote hydraulic system 
pressures over 3000 psi (20684 kPa). Check 
your tractor’s Operator’s Manual for remote 
system pressure. 
7.7.2.1 Reservoir 
The mower conditioner's self-contained 
hydraulic system uses the APT of the machine 
for the hydraulic oil reserv oir. 
7.7.2.2 Oil Level 
Check oil level daily (before start-up) at the sight 
gauge on the left side of the APT. Oil level 
should be at or near FULL mark on the gauge 
when top surface of APT is level, and oil is cold. 
7.7.2.3  Adding Hydraulic Oil 
a.  Slowly unscrew filler cap (A) from filler tube. 
b.  Add SAE 15W40 oil until level is between ADD 
and FULL marks on sight gauge. 
c.  Replace filler cap. 
7.7.2.4  Changing Hydraulic Oil 
NOTE 
Change hydraulic oil every 500 hours, or 
3 years. 
NOTE 
A drain pan with a capacity of 35 US 
gallons (130 liters) will be required. 
NOTE 
Mower conditioner must be 
disconnected from tractor. Refer to 
Section 6.5 MOWER CONDITIONER/ 
TRACTOR UNHOOK: PULL-TYPE. 
a.  Remove filler cap (A) at aft end of APT. 
b.  Disconnect pump suction hose (B) from pump, 
and drain into container. 
c.  Re-connect pump suction hose to pump. 
d.  Fill reservoir to recommended level with SAE 
15W30  oil.    Capacity  is  33  US  gallons 
(126 liters). 
B
A










