6-52 4203781 First Edition
HYDRAULICS
6
Left Wing Cutting Unit Motors Test
See Figures 6-53 through 6-55.
IMPORTANT
• This test works together with the left wing cutting
unit circuit test to isolate a problem with the left
wing cutting unit motors.
• Performing this test will isolate the left wing
cutting unit motors from the rest of the left wing
cutting units circuit.
!
WARNING
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Before performing this test, perform left wing cutting
unit deck valve test, leaving flow meter connected as
outlined.
3. Bypass seat switch and set park brake.
!
WARNING
4. Install suitable blocking device or tool in left wing
cutting unit inside motor, preventing left wing cutting
unit inside motor from turning.
Figure 6-53
5. Open flow meter valve (1) completely.
Figure 6-54: Left Wing Cutting Unit Motors Test—
Inside Cutting Unit Motor Blocked
The hydraulic system is under pressure, and the
oil will be hot.
• Always relieve pressure in the hydraulic
system before performing service.
• Failure to follow appropriate safety
precautions may result in death or serious
injury.
Required Tools and Materials
• Flow Meter
• -10 ORFS Test Hose 3600 psi (255 bar)
• -10 ORFS Tee Fitting
• Blocking Device or Tool
Safely block cutting unit from rotating using a
suitable device or tool. Failure to follow
appropriate safety precaution may result in death
or serious injury.
TN1363
1
TN2250
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