Troubleshooting - PRONAR PDK220 Operator's Manual

SECTION 5

5.8 TROUBLESHOOTING

TABLE 5.5 TROUBLESHOOTING
TYPE OF FAULT
Mower arm cannot be
lifted or lowered
Stubble is uneven
Excessive vibration
during work
Excessive heating of
intersecting axis gear
or cutter bar
Safety device does
not act or acts too
frequently
Mower drive stops
during cutting
CAUSE
Lifting arm interlocked
Incorrectly connected or
damaged quick coupler
The tractor's hydraulic system
is out of order
Cutter bar is excessively load
relieved
Tractor PTO rotation speed
too low
Worn cutting blades
Wrong inclination of cutter bar
Damaged or missing flail blade
Damaged PTO shaft
Damaged cutterbar bearing
Incorrect oil level
Damaged bearing
Incorrect adjustment of safety
device spring
Safety device components
worn excessively
Belt slip on belt drive
transmission
Damaged cog in cutterbar
Damaged belt transmission
5.17
PRONAR PDK220
REMEDY
Remove blocking pin
Check quick couplers and
manner of their connection
Check condition of tractor
hydraulic system
Set load relief spring
appropriately
Maintain correct, constant PTO
speed
Turn blades onto the second side
or replace
Set appropriate cutterbar
inclination by adjustment of top
link
Check flail blades, if necessary
replace
Check shafts, if necessary
replace
Repair at an authorised service
point
Check oil level.
Repair at an authorised service
point
Adjust spring,
check wear of safety device;
replace, if required
Disconnect power from mower;
remove collected grass or foreign
body from cutting unit.
Check condition and tension of
belts
Repair at an authorised service
point
Repair at an authorised service
point