Hoses and lines, Warning – MacDon M155 Operators Manual User Manual

Page 385

3. Locate the test port (A) which is located on the charge

filter head. Clean test port fitting and attach hose to
the fitting.

4. Start engine and leave at idle. Pressure should be

240–325 psi (1655–2241) kPa) with the hydraulic oil
at 100°F (40°C) minimum.

5. Note reading and shut down windrower.

6. If pressure is NOT within this range, contact your

MacDon Dealer.

7. Otherwise, remove hose from test port and close the

hood. Refer to

Figure 5.206: Charge Pump Test Port

A - Charge Pump Test Port

Hoses and Lines

Check hydraulic hoses and lines daily for signs of leaks.

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.

• 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.

• Use a piece of cardboard or paper to search

for leaks.

Figure 5.207: Hydraulic Pressure Hazard

IMPORTANT:

• Keep hydraulic coupler tips and connectors

clean.

Dust, dirt, water, and foreign

material are the major causes of hydraulic
system damage.

• DO NOT attempt to service hydraulic system

in the field.

Precision fits require WHITE

ROOM CARE during overhaul.

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Revision A