TROUBLESHOOTING
99
Problem
Three - point hitch dose not
raise
Leaking piping
With control lever in RAISE
position, relief valve blows
Three-point hitch dose not
lower
With control lever in RAISE
position, three-point hitch
does not raise in spite
of blinking lift arm upper
position lamp
With control lever in highest
position, three-point hitch
does not raise in spite of
turning on lift arm upper
position lamp
With control lever in lowest
position, three-point hitch
does not lower in spite of
turning off lift arm upper
position lamp
Electronic hydraulic system
never operate
Possible Cause
Low engine speed
Low transmission oil
Intake piping is sucking air
Clogged oil filter (s)
Defective hydraulic oil pump
Defective control valve
Broken cylinder
Loose joints
Cracked pipes
Poorly adjusted rod on position
control lever
Locked lowering speed control knob
Defective control valve
Broken cylinder
Seized lift shaft bearing
Poor connection of control lever
sensor
Defective control lever sensor
Poor connection of lift arm sensor
Defective lift arm sensor
Defective wiring
Defective controller
Improper highest position
Defective highest position
adjustment dial
Poor connection of valve wiring
Defective wiring
Defective hydraulic system
Locked lowering rate control knob
Improper lowest position
Poor connection of valve wiring
Defective wiring
Defective hydraulic system
Poor connection of electronic
hydraulic controller
Defective electronic hydraulic
controller
Poor connection of check coupler
Remedy
Increase speed.
Fill to specified level.
Retighten clamps or replace cracked
pipes and defective o-rings.
Clean or replace.
Consult your Dealer.
Consult your Dealer.
Consult your Dealer.
Retighten.
Replace pipes, o-rings.
Correct rod adjustment.
Turn counterclockwise to LOWERING
position.
Consult your Dealer.
Consult your Dealer.
Consult your Dealer.
Connect.
Consult your dealer.
Connect.
Consult your dealer.
Consult your dealer.
Consult your dealer.
Adjust highest position adjustment dial.
Consult your dealer.
Connect.
Consult your dealer.
Consult your dealer.
Turn the lowering rate control knob
counterclockwise.
Adjust lowest position adjustment dial low.
Connect.
Consult your dealer.
Consult your dealer.
Connect.
Consult your dealer.
Connect.
HYDRAULIC SYSTEM
Содержание TJ75
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Страница 115: ...WIRING HARNESS CABLE 115 WIRING HARNESS ELC ...
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