215916 350 Revision A
5.5.4 Hydraulic System
The M1240 Windrower hydraulic system operates the windrower drive system, header lift, header drive systems, cooling
systems fan, and other lift systems.
Figure 5.26: Hydraulic Pressure Hazard
WARNING
• Avoid high-pressure fluids. Escaping fluid can penetrate the
skin causing serious injury. Relieve pressure before
disconnecting hydraulic lines.
• Tighten all connections before applying pressure. Keep
hands and body away from pin-holes and nozzles which
eject fluids under high pressure.
Figure 5.27: Checking Hydraulic Leaks
WARNING
• Use a piece of cardboard or paper to search for leaks.
• If ANY fluid is injected into the skin, it must be surgically
removed within a few hours by a Doctor familiar with this
type of injury or gangrene may result.
IMPORTANT:
Foreign material such as dirt, dust, and water is the major cause of damage in the hydraulic system.
If hydraulic system components must be disconnected for service, protect the ends of hoses, tubing, and ports of
components from contamination with clean, lint-free towels, or clean plastic bags.
Before installing any replacement hose, flush the inside with unused diesel fuel or unused commercial petroleum cleaning
solvent for ten seconds minimum. Do NOT use water, water soluble cleaners, or compressed air.
The hydraulic system components are built to very close tolerances and have been adjusted at the factory. Do NOT attempt
to service these components except to maintain proper oil level, to change oil, and to change oil filters as described in this
manual.
Contact your MacDon Dealer for all other service.
MAINTENANCE AND SERVICING
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