6.3 MEASUREMENT OF THE RELIEF
PRESSURE
(1)3 POINT TO TEST RELIEF PRESSURE
①Remove the plug in the delivery pipe on
the right-hand side of the transmission
case and install a compression gauge to
measure the pressure.
T431
T430
T390 160 ±5 ㎏f·㎠Specified relief
pressure
9-37
Keep the engine speed at 2600 rpm and shift the
position control lever at the highest position.
②Control valve coupler.
③Remove the plug in the hyd. pump flange
and engage the pressure gauge and measure it.
Measurement the Pressure must be done 3 times
and should be set within specified pressure.
Fig.9-56
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