Machine Troubleshooting - Nilfisk PBU 56384167 Manuel D'utilisation

Machine Troubleshooting

Problem
Engine is hard to start
Engine will not start
Engine lacks power
Smell or burned rubber
Machine vibrates
Machine is burnishing too
aggressively
Machine pulls to one side
Engine stops running
Clutch will not engage
Dust collection not working
properly
Possible Cause
Propane cylinder is not properly connected.
Battery is weak.
Oil level is to low.
Insufficient vacuum.
Coil air gap out of adjustment.
Spark plug or head bolts loose.
Head gasket blown or valves need adjusting.
Propane cylinder is empty.
Oil level is to low.
Machine is in the pad change position.
Main fuse is blown.
Insufficient vacuum.
Head gasket blown or valves need adjusting.
Wires broken or disconnected.
Coil(s) defective.
Spark plug gap is incorrect.
Spark plug defective.
Carb Guard shut the machine down
Insufficient vacuum.
Dirty air filter(s).
Governor out of adjustment or malfunctioning.
Head gasket leaking.
No compression.
Fuel mixture is to lean.
Valves need adjusting or replacing.
Belt out of adjustment.
Loose fasteners.
Pad is not centered on the pad holder.
Padholder is out of balance.
Wheels are adjusted to far back.
Improper pads.
Bent wheel bracket.
Wheel is worn or a bad bearing.
Wheels are adjusted to far back.
Propane cylinder is empty.
Engine oil level is to low.
Dirty air filter.
Carb Guard shut the machine down
Loose Connection
Clutch is bad
Dust collection bag is not collecting dust
Skirt is not sealing to the floor
Check connection and open service valve slowly.
Charge battery or replace.
Check the oil level and add if needed.
Place the engine throttle in the idle "slow" position.
Check the regulator vacuum hose for breaks, pinched hose, or a bad connection.
Adjust coil air gap (Check FS481V Service Manual). Contact a Certified Technician.
Retorque (Check FS481V Service Manual). Contact a Certified Technician.
Replace head gasket, adjust valves and replace if necessary (Check FS481V Service
Manual). Contact a Certified Technician.
Install properly filled cylinder.
Check the oil level and add if needed.
Lower the machine to operating position.
Inspect fuse and if blown replace.
Place the engine throttle in the idle "slow" position.
Check the regulator vacuum hose for breaks, pinched hose, or a bad connection.
Replace head gasket, adjust valves and replace if necessary (Check FS481V Service
Manual). Contact a Certified Technician.
Reconnect or replace wires. Contact a Certified Technician.
Replace coil(s) (Check FS481V Service Manual). Contact a Certified Technician.
Adjust gap to 0.025" (.64mm)
Replace spark plug.
If the light is on, turn the key switch off and wait 30 seconds. Try again.
Bad module. Contact a Certified Technician.
Place the engine throttle in the idle "slow" position.
Clean or replace the engine dust filter.
Clean or replace the primary filter (paper element).
Clean or repalce the secondary filter (foam element).
Adjust governor and replace if necessary (Check FS481V Service Manual). Contact a
Certified Technician.
Replace head gasket (Check FS481V Service Manual). Contact a Certified Technician.
Worn piston ring(s) and/or cylinder head(s) require replacement (Check FS481V Service
Manual). Contact a Certified Technician.
Check and adjust fuel mixture if necessary. Contact a Certified Technician.
Adjust valves (Check FS481V Service Manual). Contact a Certified Technician.
Check the automatic tensioner.
Check the engine, tensioner, spindle, and pad holder fasteners. Tighten any fasteners that
may be loose.
Remove pad and re-center on padholder. Replace the pad with a new pad if necessary.
Remove pad holder from the macine and clean both sides. Check for cracks or tears.
Replace if necessary.
Move both wheels forward in the wheel bracket.
Only use recommended burnishing pads.
Replace wheel bracket.
Replace wheel.
Move both wheels forward in the wheel bracket.
Install properly filled cylinder.
Check the oil level and add if needed.
Clean both filters or replace if necessary.
Clean all filters or replace if necessary.
Check for any loose wiring or fuel line connections.
Service machine and check the fuel settings. Contact a Certified Technician.
Check all of the wiring for a bad connection or broken wire.
Replace clutch if necessary. Contact a Certified Technician.
Empty dust bag.
Check the dust scoop and/or the dust tube to see if there is an obstruction.
Skirt is bent or damaged. Replace if necessary.
Adjust the skirt to fit tightly against the seal, but still able to move freely.
Check wear edge on bottom of the skirt and replace if necessary.
A18
Solution