FS3SP CONCRETE SAW — TROUBLESHOOTING (ENGINE)

TABLE 7. ENGINE TROUBLESHOOTING (CONTINUED)

SYMPTON

POSSIBLE CAUSE

SOLUTION

 

 

 

 

Air cleaner not clean?

Clean or replace air cleaner

 

 

 

 

Improper level in carburetor?

Check float adjustment, re-build

"Weak in power" compression is

carbureator.

 

proper and does not misfire.

 

 

Defective Spark plug?

Clean or replace spark plug.

 

 

 

 

 

Defective Spark plug?

 

 

 

 

 

Water in fuel system?

Flush fuel system, and replace

 

with correct type of fuel.

 

 

"Weak in power" compression is

 

 

Dirty spark plug?

Clean or replace spark plug.

proper but misfires.

 

 

 

 

Ignition coil defective?

Replace ignition coil.

 

 

 

 

Spark plug heat value improper?

Replace with correct type of

 

spark plug.

 

 

Engine overheats.

 

 

Correct type of fuel?

Replace with correct type of fuel

 

 

 

 

 

Cooling fins dirty?

Clean cooling fins.

 

 

 

 

Governor adjusted correctly?

Adjust governor.

 

 

 

Rotational speed fluctuates.

Governor spring defective?

Replace governor spring.

 

 

 

Fuel flow restricted?

Check entire fuel system for

 

leaks or clogs.

 

 

 

 

 

 

Recoil mechanism clogged with dust and

Clean recoil assembly with soap

Recoil starter malfunction.

dirt?

and water.

 

 

 

Sprial spring loose?

Replace sprial spring.

 

 

 

TABLE 8. SELF-PROPULSION TROUBLESHOOTING

SYMPTON

POSSIBLE CAUSE

SOLUTION

 

 

 

 

Broken Drive Chain

Replace/Repair Drive Chain

Transmission Does Not Engage

 

 

Spline Gear Does Not Make Proper

Adjust Spline Gear Control Rod

 

 

Contact With Rear Wheels

 

 

 

 

 

Transmission Operates in One

Loose Transmission Drive Linkage

Adjust Transmission

Direction

 

 

 

Loose Transmission Drive Linkage

Adjust Transmission

 

 

 

Transmission Operating Very HOT

Low Oil Level

Service Transmission Filler Cup

 

 

 

Cooling Louvers of the Transmission

Thouroughly Clean

 

is Caked With Cutting Slurry

Transmission Casing

 

 

 

 

Loose Tranmission Drive Linkage

Adjust Transmission

Saw Slips and Demonstrates Jerky

 

 

Loose Drive Chain

Adjust Drive Chain

Motion When Engaged

 

 

 

Low Oil Level

Service Transmission Filler Cup

 

 

 

Oil in Reservoir is Dark/Milky in Color

Water in Reservoir or Extreme

Clean recoil assembly with

Overheating Has Occured

soap and water.

 

 

 

 

MQ-WHITEMAN FS3SP CONCRETE SAW — PARTS & OPERATION MANUAL — REV. #0 (07/15/02) — PAGE 39

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Multiquip operation manual FS3SP Concrete SAW Troubleshooting Engine, Sympton Possible Cause Solution