TM 10-3930-659-20 4-3. TROUBLESHOOTING SYMPTOM INDEX (Con't). Troubleshooting Procedure Page ELECTRICAL TROUBLESHOOTING (Con't) Starting Aid, Engine Not Working.............................................................................................................. 4-29 Transmission Oil Temperature Gage Not Working .................................................................................... 4-30 Turn Signals Not Working ......................................................................................................................... 4-31 Undercharged Batteries (Low Specific Gravity Reading) ........................................................................... 4-24 Wiper Motor Not Working: Front Windshield .......................................................................................................................... 4-35 Rear Window................................................................................................................................ 4-35 HYDRAULIC TROUBLESHOOTING HYDRAULIC SYSTEM Drifts, Fork/Boom...................................................................................................................................... 4-38 Fluid, Hydraulic: Foams .......................................................................................................................................... 4-39 Overheats..................................................................................................................................... 4-39 Fork/Boom Drifts....................................................................................................................................... 4-38 Hydraulic: Fluid: Foams................................................................................................................................... 4-39 Overheats ............................................................................................................................. 4-39 Functions: Nonexistent With No Steering ............................................................................................... 4-38 Nonexistent With Normal Steering ........................................................................................ 4-38 One Does Not Work .............................................................................................................. 4-38 Slow...................................................................................................................................... 4-37 Power Low.................................................................................................................................... 4-38 Pump Noisy .................................................................................................................................. 4-37 Low Hydraulic Power................................................................................................................................. 4-38 Noisy Hydraulic Pump............................................................................................................................... 4-37 Power Low, Hydraulic................................................................................................................................ 4-38 Steering: Nonexistent With No Hydraulic Functions ..................................................................................... 4-38 Normal But Hydraulic Functions Not Working ............................................................................... 4-38 STEERING SYSTEM Constant Steering Required to Maintain Straight Travel ............................................................................ 4-40 Erratic ....................................................................................................................................................... 4-40 4-6

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