Troubleshooting - Husqvarna 150D Operator's Manual

BEVEL OR RADIUS CUT INCONSISTENT
- Check to see if the diamond blade is worn out, glazed,
warped or damaged.
- Insure front and rear guide wheels can move freely up and
down without binding.
- Insure front and rear guide wheels can spin freely.
- Do not push the saw too fast. Sawing too fast will cause the
blade to ride up out of the concrete.
- Make sure the guide wheels are aligned in the pre-existing
saw cut before starting.
- Make sure the existing saw cuts are clean and free of debris.
- Check lexan covers for free movement up and down.
- Insure there is spring down pressure on each guide wheels.
- 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 flanges.
- Insure the slab is in clean with no debris that could raise the
saw while cutting.
- 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.
- Re-cut the joint in the opposite direction.
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.

TROUBLESHOOTING

ENGINE WILL NOT START
- Check if there is fuel in the tank and it is the correct fuel.
Make sure there is no water in the fuel.
- Check if the fuel valve is turned to the "on" position.
- Check if the kill switch is in the "on" position.
- Check that the spark plug wire is connected to the spark
plug.
- Engine is flooded. Adjust the choke per the engine owner's
manual.
- Check the choke is in the "on" position for cold starts. Adjust
the choke per the engine owner's manual.
- Oil level is too low. Engine is equipped with an oil alert
system that will not let the engine start unless the engine oil
level is within the correct range.
- Check that air filter is not dirty or plugged.
- Check that the blade shaft rotates freely and no concrete has
built up in the blade block.
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 for correct oil level. Engine oil alert system may
function intermittently if oil level is not within the correct
range.
- Check that air filter is not dirty or plugged
- Check that spark plug is clean and properly gapped.
- Check that throttle lever is properly set
- Check the choke is in the "on" position for cold starts. Adjust
the choke per the engine owner's manual.
- Oil level is too low. Engine is equipped with an oil alert
system that will not let the engine start unless the engine oil
level is within the correct range.
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