Test No. 9: Checking Traction Circuit Rear Motor Pressure (4Wd Only) - Toro Reelmaster 335-D Service Manual

TEST NO. 9: Checking Traction Circuit Rear Motor Pressure (4WD Only)

WORKING Pressure Check:
1. Make sure hydraulic oil is at normal operating tem­
perature by operating machine for approximately 10
mines.
2. Lower cutting units, engage parking brake and stop
the engine.
3. Raise seat to get access to hydraulic test fittings.
Remove access cover from in front of auxiliary pump.
4. Install a 10,000 PSI gauge with extension hose onto
the rear drive motor quick disconnect fitting. Put gauge
and hose through opening below seat in front of auxiliary
pump so gauge can be observed while sitting on seat.
5. Operate machine while monitoring gauge.
NOTE: Front axle must be in LO position for 4wd to en ­
gage.
6. When operating in conditions that would cause the
front wheels to begin to slip, pressure should increase
as four wheel drive automatically engages.
RANGE OF TESTER READINGS: 100 - 5100 PSI.
NOTE: When operating on level ground, pressure
reading should be approximately 100 - 300 PSI.
Testing
1
1. Rear drive motor test port
Page 4 - 32
Figure 22
(Eaton pump)
Reelmaster
®
335-D