5traction drive troubleshooting, Traction drive troubleshooting, 5 traction drive troubleshooting – MacDon M205 Operators Manual User Manual

Page 436

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TROUBLESHOOTING

6.5

Traction Drive Troubleshooting

Symptom

Problem

Solution

Section

Low hydraulic oil level

Stop engine, and add oil to hydraulic
system.

Checking and
Filling Hydraulic
Oil, page 383

Low hydraulic pressure

Foreign material shorting
sender

Short in alarm wiring

Warning alarm
sounds and
transmission oil
light is on

Faulty sender

Internal pump or motor
damage

Contact Dealer.

Contact Dealer.

Insufficient torque at drive
wheels

Move ground speed range control
to field position, and reduce ground
speed.

Driving Forward
in Engine-Forward
Mode, page 162

Loose or worn controls

Check controls.

5.7.3 Ground
Speed
Lever (GSL)
Adjustments, page
299

Use proper oil.

Lubricants, Fluids,
and System
Capacities, page
285

Check oil level and leaks.

Checking and
Filling Hydraulic
Oil, page 383

Air in system

Check hydraulic oil filters.

5.7.9 Hydraulic
System, page 382

Brakes binding or not
releasing fully

Check pressure on brake release
valve (min. 200 psi [1379 kPa]).

Wheels lack pulling
ability on a grade
or pulling out of a
ditch

Relief valve in tandem pump
dirty or damaged

Replace relief valve.

Leakage at pump or motor

Wheels not in same speed
range

Contact Dealer.

With steering
wheel centered,
one wheel pulls
more than the
other

Faulty relief valve

Repair or replace valve. Contact
Dealer.

Contact Dealer.

169887

420

Revision A

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