Table 3-1. Operator/Crew Troubleshooting

Section II. OPERATOR/CREW TROUBLESHOOTING PROCEDURES

Table 3-1. Operator/Crew Troubleshooting - cont

TM-5-3825-225-14P Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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TM 5-3825-225-14&P Table 3-1. Operator/Crew Troubleshooting (Con’t). MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 3. BRAKES ARE WEAK OR INEFFECTIVE. WARNING Use extreme caution when operating draincocks. Wear safety goggles to prevent eye Injury due to high pressure air. Check for water in air reservoirs. Open draincocks on air reservoirs and drain water. 4. STEERING IS DIFFICULT Check for low air pressure in one or more tires. Inflate all tires to 75 psi (517 kPa). 5. GRATING NOISE OCCURS WHEN TURNING THE TRACTOR. Check for lack of grease on kingpin. Lubricate kingpin with proper grease (see Chapter 3, Section I). 6. LANDING GEAR WILL NOT EXTEND OR RETRACT. Step 1. Check for rust and corrosion on telescoping, section. Clean and remove corrosion. Lubricate landing gear (see Chapter 3, Section I). Step 2. Check for bent telescoping section. Notify unit maintenance if bent. 7. ENGINE CRANKS BUT WILL NOT START. Check for an empty fuel tank. Fill fuel tank. 8. ENGINE OVERHEATS. Step 1. Check radiator coolant level. Add coolant as necessary (see Chapter 3, Section I). Step 2. Check oil level in engine crankcase. Add proper grade of oil (see Chapter 3, Section I). 3-7

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