Test No. 3: Checking Mowing Circuit - Toro Reelmaster 335-D Service Manual

TEST NO. 4: Checking Mowing Circuit Flow
1. Make sure hydraulic oil is at normal operating
temperature by operating machine for approximately 10
minutes.
2. Start the engine and lower the center cutting unit to
the ground.
3. Turn the engine OFF.
4. Disconnect inlet hose at reel motor of center cutting
unit.
5. Install tester in series between disconnected hose
and reel motor (flow direction is from hose to motor).
Make sure gate valve of tester is OPEN.
6. Position reel speed control knob at neutral (N) posi­
tion. Make sure cutting unit engagement switch is OFF.
7. Start engine and move throttle to full speed
(2500 rpm).
8. Gradually move reel speed control knob to maximum
speed position while monitoring tester flow gauge.
NOTE: It is not necessary to engage the cutting units to
measure flow in the circuit.
CAUTION
Keep clear of reels. DO NOT exceed maximum
flow rating of tester flow gauge.
TESTER READING TO BE APPROXIMATELY
13 GPM.
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Reelmaster 335-D Page 4 - 27
Figure 15
Testing