Filter
Top Products
MQ-WHITEMAN FS3SP CONCRETE SAW — PARTS & OPERATION MANUAL — REV. #0 (07/15/02) — PAGE 39
FS3SP CONCRETE SAW — TROUBLESHOOTING (ENGINE)
TABLE 7. ENGINE TROUBLESHOOTING (CONTINUED)
SYMPTON POSSIBLE CAUSE SOLUTION
"Weak in power" compression is
proper and does not misfire.
Air cleaner not clean? Clean or replace air cleaner
Improper level in carburetor?
Check float adjustment, re-build
carbureator.
Defective Spark plug? Clean or replace spark plug.
Defective Spark plug?
"Weak in power" compression is
proper but misfires.
Water in fuel system?
Flush fuel system, and replace
with correct type of fuel.
Dirty spark plug? Clean or replace spark plug.
Ignition coil defective? Replace ignition coil.
Engine overheats.
Spark plug heat value improper?
Replace with correct type of
spark plug.
Correct type of fuel? Replace with correct type of fuel
Cooling fins dirty? Clean cooling fins.
Rotational speed fluctuates.
Governor adjusted correctly? Adjust governor.
Governor spring defective? Replace governor spring.
Fuel flow restricted?
Check entire fuel system for
leaks or clogs.
Recoil starter malfunction.
Recoil mechanism clogged with dust and
dirt?
Clean recoil assembly with soap
and water.
Sprial spring loose? Replace sprial spring.
TABLE 8. SELF-PROPULSION TROUBLESHOOTING
SYMPTON POSSIBLE CAUSE SOLUTION
Transmission Does Not Engage
Broken Drive Chain Replace/Repair Drive Chain
Spline Gear Does Not Make Proper
Contact With Rear Wheels
Adjust Spline Gear Control Rod
Transmission Operates in One
Direction
Loose Transmission Drive Linkage Adjust Transmission
Transmission Operating Very HOT
Loose Transmission Drive Linkage Adjust Transmission
Low Oil Level Service Transmission Filler Cup
Cooling Louvers of the Transmission
is Caked With Cutting Slurry
Thouroughly Clean
Transmission Casing
Saw Slips and Demonstrates Jerky
Motion When Engaged
Loose Tranmission Drive Linkage Adjust Transmission
Loose Drive Chain Adjust Drive Chain
Low Oil Level Service Transmission Filler Cup
Oil in Reservoir is Dark/Milky in Color
Water in Reservoir or Extreme
Overheating Has Occured
Clean recoil assembly with
soap and water.