Troubleshooting BPU 2440/2950 Repair
wc_tx000330gb.fm 48
6. Troubleshooting
Problem Cause Remedy
Engine runs, but no
vibration
Belt broken or loose.
Clutch not engaging.
Replace belt or adjust tension.
Inspect clutch for damage and repair.
Engine runs, but plate
does not develop full
speed.
Engine RPM set too low.
Throttle control not adjusted
correctly.
Soil conditions too wet, plate
bogging down.
Drive belt or clutch worn and
slipping.
Exciter pulley slipping.
Exciter gears not timed correctly.
Exciter bearings binding.
Adjust engine speed per manufacturer’s
recommendations.
Inspect throttle control and adjust rpm to 3600
at full throttle.
Review application.
Replace belt or clutch shoes.
Replace tolerance ring.
Remove exciter and adjust timing.
Check oil level in exciter and inspect exciter
bearings. Replace bearings if necessary.
Plate pulls to one side. Shockmounts damaged. Inspect and replace.
Plate travels in
reverse only
Air in control circuit.
Oil level low in handle.
Seals in handle leaking.
Seal on exciter piston leaking.
Bleed air from system.
Fill oil to level mark.
Replace seals.
Replace seal.
Forward and Reverse
switched
Exciter gears not timed correctly.
Sleeve gear installed incorrectly
on drive shaft.
Remove exciter and adjust gear timing.
Remove exciter and check position of sleeve
gear on drive shaft.
Directional control
inoperative
Piston binding in flange.
Sleeve gear binding on drive shaft.
Inspect piston assembly for damage. Repair or
replace.
Remove flange cover and operate piston by
hand to check operation of sleeve gear. Check
sleeve gear and guide pin.
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