Mower-Conditioner Operation

Symptom Problem Solution

Excessive noise

Improper hitching

Rehitch correctly. See "Attaching and Detaching" Section

Rolls too close (1465 only)

Space rolls. See "Service" Section

Rolls out of synchronization (1465 only)

Retime rolls. See "Service" Section

Excessive vibration

Knives missing

Check knives

Bolts loose

Check

Rotor out of balance

Check number of tines. See "Service" Section

Rolls out of synchronization (1465 only)

Retime rolls. See "Service" Section

Rolls too close (1465 only)

Space rolls. See "Service" Section

Improper hitching

Rehitch correctly. See "Attaching and Detaching" Section

Damaged leaves and broken stems

Excessive rotor speed

Reduce rotor speed. See "Operating the Mower-conditioner" Section

Conditioning hood too close to rotor

Reposition conditioning hood. See "Operating the Mower-conditioner" Section

Obstruction of rotor

Tines worn

Replace tines. See "Service" Section

PTO speed too slow

Correct engine speed

Drive belt slipping or broken

Tension or replace belt. See "Service" Section

Conditioning hood too close to rotor

Reposition conditioning hood. See "Operating the Mower-conditioner" Section

OUCC006,00004BD -19-10SEP01-1/5


Symptom Problem Solution

Rolls plugging

Foreign objects between rolls

Disengage tractor PTO and stop engine. When all moving parts are completely stopped, remove foreign objects

Excessive roll pressure

Reduce pressure. See "Operating the Mower-conditioner" Section

Cutting height too low

Raise cutterbar. See "Operating the Mower-conditioner" Section

Very heavy crop

Reduce ground speed or cut less than full width of cutterbar

Incorrect PTO speed

Correct PTO speed

Very long crop

Increase roll spacing. See "Operating the Mower-conditioner" Section

Cutterbar plugging

Bent or broken knives.

Replace knives. See "Service" Section

Excessive slippage of slip clutch

Check slip clutch or reduce ground speed. See "Service" Section

Wet crop conditions on clayey ground (earth plugging)

Increase cutting height by reducing platform pitch with turnbuckles or by adjusting skid shoes. See "Operating the Mower-conditioner" Section

Reduce platform weight. See "Operating the Mower-conditioner" Section

Dull or broken knife sections

Replace knives for clean, efficient cutting. See "Service" Section

Earth plugging on muddy ground

Reduce platform weight. See "Operating the Mower-conditioner" Section

Increase cutting height. See "Operating the Mower-conditioner" Section

OUCC006,00004BD -19-10SEP01-2/5


Symptom Problem Solution

Ragged cut

Dull knives

Check correct installation of knives. See "Service" Section

Reverse or replace knives. See "Service" Section

Excessive ground speed

Reduce ground speed

Incorrect platform floating

Adjust platform weight. See "Operating the Mower-conditioner" Section

Incorrect cutting height

Change cutterbar pitch or skid shoe setting. See "Operating the Mower-conditioner" Section

Incorrect cutterbar pitch

Change cutterbar pitch. See "Operating the Mower-conditioner" Section

Down crop

Tilt cutterbar

Increase platform weight. See "Operating the Mower-conditioner" Section

Frequent breakage of knives

Cutterbar set too low

Raise cutterbar by changing platform pitch or skid shoe setting. See "Operating the Mower-conditioner" Section

Incorrect platform float spring adjustment

Readjust float springs (decrease weight). See "Operating the Mower-conditioner" Section

Excessive ground speed

Reduce ground speed

Improper knife mounting

Check knife bolts and nuts. See "Service" Section

Ensure that knives rotate freely on bolts

Check knives. See "Service" Section

Oil leakage at gear boxes

Retighten plugs, screws, etc...

OUCC006,00004BD -19-10SEP01-3/5


Symptom Problem Solution

Poorly formed or bunchy windrows

Improper windrower shield adjustment

Readjust windrower shields so that material flows along sides of shields. See "Operating the Mower-conditioner" Section

Incorrect PTO speed

Correct PTO speed

Incorrectly spaced conditioning hood

Reposition conditioning hood. See "Operating the Mower-conditioner" Section

Insufficient rotor speed

Increase rotor speed. See "Operating the Mower-conditioner" Section

Strips of uncut material left on field

Broken knives

Replace knives. See "Service" Section

Foreign object on cutterbar

Stop tractor PTO, remove foreign object

Conditioning too aggressive

Decrease intensity of conditioning. See "Operating the Mower-conditioner" Section

Strips of uncut material passing between diverging disks

Turn or replace knives before end is worn to halfway point. See "Service" Section

Reduce working speed

Use correct working speed

Decrease cutting height, increase cutting angle. See "Service" Section

Strips of uncut material passing between converging disks

Decrease platform weight. See "Operating the Mower-conditioner" Section

Clean or replace wear plates between disks

Check knife wear. See "Service" Section

OUCC006,00004BD -19-10SEP01-4/5


Symptom Problem Solution

Intermediate tongue shaft breakage

Improper hitching

Rehitch. See "Attaching and Detaching" Section

Excessive power required at PTO

Incorrect setting of slip clutch

Readjust. See "Service" Section

V-belt breakage

Misalignment

Align sheaves (see your John Deere dealer)

Faulty alignment of idler

Adjust idler. See "Service" Section

Rotor vibration

Check for correct number of tines or check rotor bearings

Check for correct tightening of locking collars on roll shaft. See "Service" Section

Belt idler not tight

Tighten belt idler. See "Service" Section

Excessive driveline vibration (1000 rpm)

Improper hitching

Rehitch. See "Attaching and Detaching" Section

OUCC006,00004BD -19-10SEP01-5/5