TM 5-3895-342-12
Section IV. TROUBLESHOOTING
3-5. General
This section provides information useful in diagnosing and correcting unsatisfactory operation or failure of the
mixer and its components. Malfunctions which may occur are listed in table 3-2. A list of probable causes is
described opposite each malfunction. The corrective action recommended is described opposite the probable
cause.
Section V. OPERATOR'S MAINTENANCE
3-6. General
The instructions in this section are published for the information and guidance of the operator to maintain the
mixer.
3-7. Fuel Tank Service
Service the fuel tank as instructed on figure 3-1.
REMOVE STRAINER FROM TANK.
CLEAN
SCREEN THOROUGHLY AND INSPECT FOR
DAMAGE
Figure 3-1. Fuel tank service.
Table 3-2. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. STARTING MOTOR WILL NOT CRANK ENGINE.
Step 1. Inspect battery cables for loose or corroded condition.
If cables are loose or corroded, clean and tighten cables.
2. ENGINE FAILS TO START, OR IS HARD TO START.
Step1. Check for empty fuel tank.
Refill fuel tank if empty or low.
Step 2. Check to see if shutoff valve is closed.
Open fuel shutoff valve (fig. 3-2).
Step 3. Inspect fuel strainer to see if it is dirty.
If dirty clean fuel strainer.
Step 4. Check to see if carburetor is flooded.
If flooded, crank engine with choke open.
Step 5. Check to see if carburetor is choked sufficiently.
If not, crank with choke closed.
3. HIGH OIL CONSUMPTION
Step 1. Check to see if oil level is too high in crankcase.
See current lubrication order for correct oil level in crankcase.
Step 2. Check to see if wrong grade of oil is need in crankcase.
Refer to current lubrication order for proper grade of oil.
Change 1
3-3
