|
System Overheats.
| Oil cooler or radiator plugged. |
Blow air through core
and clean.
|
| |
Lack of charge oil flow.
|
See your John Deere
dealer.
|
| |
Engine fan belt slipping or broken.
|
Check for worn or broken
belt.
|
| |
Plugged oil filter.
|
Change filter.
|
| |
Exceeding relief valve pressure.
|
Shift to lower gear.
|
| |
Relief valve stuck closed.
|
See your John Deere
dealer.
|
| |
By-pass valve fails to close.
|
See your John Deere
dealer.
|
|
High Oil Loss.
| Loose connections or leaking hydraulic lines, hoses,
or O-rings. |
Tighten connections
or replace damaged lines, hoses, or O-rings.
|
| |
Oil leaking into main engine gearcase (Non ProDrive™
Machines).
|
Replace hydrostatic
pump shaft seal.
|
| |
Oil leaking into main engine gearcase (ProDrive™
Machines).
|
Replace hydrostatic
motor shaft seal or park brake seals in transmission, see your John
Deere dealer.
|
| |
Worn or damaged triple pump seals (Non ProDrive™
Machines).
|
Check triple pump cavities
between valve stack pump and steering pump. Both pump cavities should
contain no oil. If oil is found between pump cavities sections, replace
pump shaft seals on valve stack pump and steering pump before replacing
both pumps.
|
| |
Worn or damaged quadruple pump seals (ProDrive™
Machines).
|
Check quadruple pump
cavities between valve stack pump and ProDrive™ lube supply
pump. Both pump cavities should contain no oil. If oil is found between
pump cavities sections, replace pump shaft seals on valve stack pump
and ProDrive™ lube pump before replacing both pumps.
|
|
Machine Will Not Move Forward or Reverse.
| Transmission out of gear (Non ProDrive™ Machines).
|
Shift transmission.
|
| |
System detects ground drive faults (ProDrive™
Machines).
|
See your John Deere
dealer.
|
| |
Low on oil.
|
Check for leaks and
correct. Fill reservoir.
|
| |
Air leak in system.
|
Tighten connections.
|
| |
Control linkages broken or loose (Non ProDrive™
Machines).
|
Tighten loose linkages
or replace as needed.
|
| |
Lack of charge flow or charge pressure.
|
See your John Deere
dealer.
|
| |
Plugged filter.
|
Change filter.
|
| |
Exceeding maximum operating pressure setting (Non ProDrive™
Machines).
|
Shift to lower gear.
|
| |
Exceeding maximum operating pressure setting (ProDrive™
Machines).
|
See your John Deere
dealer.
|
| |
Drive system unable to build up pressure.
|
See your John Deere
dealer.
|
| |
Relief valve open.
|
See your John Deere
dealer.
|
|
Ground Travel Speed Erratic.
| Low oil. |
Check for leaks and
correct. Fill reservoir.
|
| |
Plugged filter.
|
Change hydrostatic charge
filter.
|
| |
Exceeding maximum operating pressure setting (Non ProDrive™
Machines).
|
Shift to lower gear
or engage four-wheel drive.
|
| |
Exceeding maximum operating pressure setting (ProDrive™
Machines).
|
See your John Deere
dealer.
|
| |
Multi-function lever creeps toward neutral.
|
See your John Deere
dealer.
|
| |
System unable to keep charge pressure.
|
See your John Deere
dealer.
|
|
Lack of Power or Lost Power. Machine Not Responding to
Speed Range Selector.
| Low on oil. |
Check for leaks and
correct. Fill reservoir.
|
| |
Plugged filter.
|
Change hydrostatic charge
filter.
|
| |
Lack of charge flow or charge pressure.
|
See your John Deere
dealer.
|
| |
Dirty fuel filter.
|
Replace fuel filter.
|
| |
Water in separator bowl.
|
Drain water from separator
bowl.
|
| |
Drive system unable to keep or build up pressure.
|
See your John Deere
dealer.
|
| |
System detects ground drive faults.
|
See your John Deere
dealer.
|