SECTION 7 DRIVE TRAIN
Page 24
TD-25M EXTRA DRESSTA
SERVICE DIAGNOSIS
13. STEERING SYSTEM OIL PRESSURE CHECK
1. Stop the engine and open the door at the left hand side of the platform.
2. Connect the Test Pressure Gauges Kit (refer to SERVICE /SPECIAL TOOLS in this Section) to
right and left brake quick disconnect fittings (1 and 2, Fig. 7.7) on the diagnostic center and to
the RC and LC test ports (1 and 3, Fig. 7.8) on the steering valve. Tag each test gauge with the
corresponding description to avoid confusion when performing these checks.
Fig. 7.8. Pressure Gauge Connect Points
1. Right Clutch (RC)
2. Right Brake (RB)
3. Left Clutch (LC)
4. Left Brake (LB)
NOTE: The following pressure checks should be performed with the engine running at full throttle
and oil at operating temperature. To obtain operating temperature shift to third forward with the foot
brake applied until the temperature gauge pointer reaches the high side. Then shift to neutral until
the temperature gauge pointer drops to the midpoint. Repeat this procedure until the midpoint will
be in green range.
3. Run the engine at full throttle and check the gauge readings with those in the following chart.
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