Toro REELMASTER 4500-D, Руководство по обслуживанию

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TEST NO. 4: Checking Reel Circuit Hydraulic Oil Supply
Procedure:
1. Hydraulic oil must be at operating temperature.
2. Start the engine and lower the No. 2 and 3 cutting
units to the ground.
3. Turn the engine OFF.
4. Disconnect inlet hose at No. 2 reel motor.
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 middle range (90
Figure 19
degree position).
7. Start engine and move throttle to full speed
(2500 rpm).
8. Engage the reel control lever into the “MOW” position.
CAUTION
Reels will rotate when reel control lever is
moved into the “MOW” position. Keep clear
of rotating reels.
TESTER READING TO BE APPROXIMATELY
14 – 15 GPM.
9. If reel circuit oil flow is too low, check for restriction in
pump intake line. If not restricted, remove pump and re-
pair or replace as necessary.
Hydraulic
System
Reelmaster 4500–D
Page 4 – 33
Hydraulic System