Toro REELMASTER 4500-D, Руководство по обслуживанию

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TEST NO. 2: Checking Counterbalance Oil Pressure
Procedure:
1. Install a 10,000 psi gauge into the center quick dis-
connect as shown.
2. Start the engine and move throttle to full speed
(2500 rpm).
3. Tester reading should be within the range listed:
COLD OIL: 600 – 650 PSI
HOT OIL: 500 – 550 PSI
NOTE: Due to special conditions or customer prefer-
ence, the counterbalance may require setting outside
Figure 16
this recommended range. However, the range listed will
be adequate for most conditions.
4. If necessary, adjust the relief valve screw until the de-
sired pressure is attained. Turn the screw in to increase
counterbalance pressure and turn the screw out to de-
crease counterbalance pressure. Adjust nearer the high
end of the range for improved hill climbing or nearer the
low end for improved quality–of–cut.
Figure 17
Hydraulic
System
Reelmaster 4500–D
Page 4 – 31
Hydraulic System