TM 55-1930-209-14&P-21
Section III. Operator/Crew Troubleshooting
3-4.
General. This section provides information necessary to diagnose and correct unsatisfactory operation or failure
of the winch and its components. Malfunctions are listed in Table 3-2. Each malfunction is followed by a list of probable
causes of the trouble. The recommended corrective action is described below the probable cause.
3-5.
Troubleshooting table. Table 3-2 lists operator and crew troubleshooting malfunctions, probable causes and the
recommended corrective action.
Table 3-2. Operator/Crew Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Engine Hard to Start or Fails to Start
Step 1. Check battery leads for loose or corroded terminals.
Clean and tighten terminal leads.
Step 2. Check for empty fuel tank.
Add fuel as necessary.
Step 3. Check for water or dirt in fuel system.
Service the fuel filters (Para 3-8).
Step 4. Check for closed fuel control valve.
Open fuel control valve.
Step 5. Check for clogged air cleaner.
Service the air cleaner (Para 3-7).
Step 6. Other causes.
Notify higher maintenance.
2. Engine Misses or Runs Erratically
Step 1. Check for cold engine.
Reduce load and allow engine to warm up.
Step 2. Check for water in fuel system.
Drain fuel system and refill with clean fuel.
Step 3. Check for air in fuel system.
Bleed the fuel system.
Step 4. Other causes.
Notify higher maintenance.
3-6
