215922 268 Revision A
Figure 5.45: Return Filter
5. Tighten filter (A) an additional 3/4 turn by hand.
IMPORTANT:
Do NOT use a filter wrench to install the oil filter;
overtightening can damage gasket and filter.
6. Check hydraulic fluid levels. For instructions, refer to 5.7.3
Checking Hydraulic Oil, page 272. For capacity level, refer to
5.1.4 Lubricants, Fluids, and System Capacities, page 232.
5.6.8 Charge Filter
The charge filter removes particulate contaminants from the oil before the oil is directed into the traction and header drive
pumps. The oil maintains a positive pressure and is continuously supplied in these closed circuits during operation. The
charge filter has a high-pressure bypass of 345 kPa (50 psi) that allows oil to bypass the filter element during cold
temperatures and when the filter element is heavily loaded.
The charge filter must be replaced at regular intervals. The filter telltale is displayed on the Harvest Performance
Tracker (HPT). The charge filter must be changed after the first 50 hours and every 500 hours thereafter. Follow the service
schedule on the HPT.
Refer to the following procedures to change the charge filter:
• Removing Charge Filter, page 268.
• Installing Charge Filter, page 269.
Removing Charge Filter
The charge filter removes particulate contaminants from the oil before the oil is directed into the traction and header
drive pumps.
DANGER
To prevent bodily injury or death from the unexpected startup of the machine, always stop the engine and remove the
key from the ignition before leaving the operator’s seat for any reason.
WARNING
Avoid high-pressure fluids. Escaping fluid can penetrate the skin causing serious injury.
1. Shut down the engine, and remove the key from the ignition.
2. Open the platform. For instructions, refer to 5.4.1 Opening Platform, page 241.
MAINTENANCE AND SERVICING
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