Husqvarna 4000 Saw User Manual


 
14
TROUBLESHOOTING
ENGINE RUNS ROUGH, BACK FIRES OR CAN NOT
REACH FULL SPEED
- Check if there is fuel in the tank and it is the correct fuel.
Make sure there is no water in the fuel.
- Check that the spark plugs are clean and properly gapped.
- Check that choke is in the “off” position after engine is warm.
- Check that air lter is not dirty or plugged.
- Check that the throttle lever is properly set.
ENGINE WILL NOT START
- Check that the rocker switch is in the “on” position.
- Check if there is fuel in the tank and it is the correct fuel.
Make sure there is no water in the fuel.
- Check that the spark plug wires are connected to the spark
plugs.
- Engine is ooded. Adjust the choke per the engine owner’s
manual.
- Check that the air lter is not dirty or plugged.
- Check the choke is in the “on” position for cold starts. Adjust
the choke per the engine owner’s manual.
- Check that the blade shaft rotates freely and no concrete has
built up in the blade block.
SAW PULLS TO ONE SIDE WHILE SAWING
- Check front and rear guide is properly aligned with the center
of the diamond blade.
- Check to see if diamond blade is worn out, glazed, warped or
damaged.
- Do not twist or move the saw sideways while cutting. Make
gradual changes in pressure on the handlebar to control the
saw in the cut.
- Insure that all wheels rolls freely and smoothly.
- Do not force the saw. Allow the diamond blade to cut at its
own rate of speed.
- Check the skid plate for damage or burrs.
- Insure both driver tubes are contacting the rear wheels,
driver tubes are clean and rear wheels are not damaged.
Check that the smaller diameter driver tube is on the left
wheel (battery side) and the larger diameter driver tube is on
the right side (blade side).
SAW IS SPALLING AND RAVELLING CUT
- Check to see if the diamond blade is worn out, glazed,
warped or damaged.
- Insure skid plate moves freely up and down the entire shaft
length without contacting the diamond blade.
- Check skid plate for excessive wear or gap around the
diamond blade.
- Check skid plate for tension or loose mounts. Skid plates are
preset at the factory.
- Check bottom of skid plate for metal burrs or irregularities.
- Insure skid plate is not twisted or bent.
- Check lexan covers for free movement up and down.
- Insure there is spring down pressure at each end of the skid
plate.
- Do not twist or move the saw sideways while cutting.
- Check that the engine is running properly and at full throttle.
- Check belt and belt idler for proper tension.
- Insure the diamond blade is properly mounted and secured
with clean anges.
- Insure that the diamond blade is the correct specication for
your area.
- Insure the slab is in clean with no debris that could raise the
skid plate or saw while cutting.
- Use Husqvarna joint protectors at all cut intersections.
- Clean excess concrete debris from the blade block assembly.
- Check that the scrapers in the blade block are not bent or
binding.
- Insure that the blade block shafts are not bent or damaged.
- Check that the front diverter in the blade block is not bent and
the diverter legs are not contacting the concrete.