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8 MAINTENANCE AND LUBRICATION
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8.8 HYDRAULIC TEST PORTS ______________________________________________
If you have any problems with the hydraulic system, check the hydraulic pressures with the service ports that are
supplied.
All tests must be done with the hydraulic oil at the normal temperature of the engine, unless specified at a different
temperature.
TEST PORTS:
1. Charge pressure: 20 Bar ± 2 Bar
2. Forward traction pressure, engine
running, no drive. Should balance
charge pressure constant 250 Bar,
Peak 280 Bar
3. Reverse traction pressure (plugged
port). Engine running, no drive,
should balance charge pressure,
maximum 210 Bar, peak 250 Bar:
NOTE: Only approved personnel must service the hydraulic system.
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