6-28 4203780 First Edition
HYDRAULICS
6
Front Cutting Unit Circuit Test
See Figures 6-16 through 6-18.
IMPORTANT
• This test works together with the front cutting
units motors test to isolate a problem with the
front cutting unit circuit.
• Performing this test will isolate the front cutting
unit pump, deck valve, and right front cutting unit
motor from the rest of the front cutting unit
circuit.
!
WARNING
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove the seat and seat platform. (See “Seat and
Seat Platform” on page 9-13.)
Figure 6-16
3. Disconnect hydraulic line (1) from fitting (2).
Figure 6-17
4. Install tee fitting (5) to fitting (2).
5. Connect test hose (6) of flow meter inlet and
hydraulic line (1) to tee fitting (5).
NOTE
Make sure hose end is under oil level in hydraulic tank to
prevent aeration of oil.
6. Secure flow meter outlet hose (3) to the hydraulic
tank fillneck.
!
WARNING
7. Install suitable blocking device or tool in left motor of
front cutting unit, preventing the motor from turning.
Open flow meter valve (4) completely.
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 (248 bar)
• -10 ORFS Tee Fitting
• Blocking Device or Tool
TN2047
1
2
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.
5
6
TN1363
4
3
To Next Page
Loading...
Need help?
General
