Procedure
Fig. 15 1840 models
Fig. 16 1844 models
1. Get access to the hydraulic density control
valve.
2. Put an applicable container below the hydraulic
density control valve.
Fig. 17
3. Remove the bleed screw on top of the hydraulic
density control valve.
4. Start the engine on the tractor.
5. Engage the PTO and increase the PTO speed to
the operation speed.
6. Examine the top of the hydraulic density control
valve. Hydraulic oil and air bubbles will slowly
release from the port.
7. When there are no air bubbles in the hydraulic
oil coming out, install the bleed screw and
tighten to the approved torque.
8. Decrease the PTO speed.
9. Disengage the PTO.
4 Maintenance
62
SimplEbale