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
5.4.4 Closing Hood (Highest Position),
.
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