Rockshaft and quick-Coupler 3-Point Hitch Troubleshooting

SymptomProblemSolution

Insufficient transport clearance

Center link to long.

Adjust center link.

 

Lift links too long.

Adjust lift links.

 

Implement not level.

Level implement.

 

Implement not properly adjusted.

See implement operator's manual.

 

Front of center link in upper holes.

Move center link to lower holes.

 

Sway chains adjusted to short.

Lengthen sway chains.

Hitch drops slowly

Rockshaft rate-of-drop control not properly set.

Adjust rate-of-drop knob.

Hitch fails to lift or lifts slowly

Excessive load in hitch.

Reduce load.

 

Low oil level.

Fill system with proper oil.

 

Hydraulic oil too cold.

Allow oil to warm.

 

Clogged transmission-hydraulic oil filter.

Replace filter.

 

Clogged transmission-hydraulic pickup screen.

Clean or replace pickup screen.

Implement will not operate at desired depth

Lift links too short.

Adjust lift links.

 

Lack of penetration.

See implement operator's manual.

 

Improper setting of limit stop.

Reset position limit.

 

Improper setting of draft lever.

See Rockshaft and 3-Point Hitch section.

Insufficient or no hitch response to draft load

Front attachment of center link in upper holes.

Move center link attachment to lower bracket holes.

 

Draft control lever in “Off” position.

Move lever rearward.

 

Lift links too short.

Adjust lift links.

 

Lack of penetration.

See implement operator's manual.

 

Rate-of-drop too slow.

Adjust rate-of-drop valve.

Hitch too responsive

Front attachment of center link in lower bracket holes.

Move center link attachment to upper bracket holes.

Hitch drops too fast

Rate-of-drop too fast.

Adjust rate-of-drop .

Rockshaft control levers “drift”. Levers too loose.

Friction disks are loose.

Adjust rockshaft control lever friction. See procedures in “Rockshaft and 3-Point Hitch” section or see your John Deere dealer.

AG,PX03972,231-19-19991207