Engine Starting Starting with Jump Start Cables 30 SEBU9064 i05339814 Starting with Jump Start Cables 5. Immediately after the engine is started, disconnect the jump-start cables in reverse order. After jump starting, the alternator may not be able to fully recharge batteries that are severely discharged. The batteries must be replaced or charged to the proper voltage with a battery charger after the engine is stopped. Improper jump start cable connections can cause an explosion resulting in personal injury. i01903609 After Starting Engine Prevent sparks near the batteries. Sparks could cause vapors to explode. Do not allow jump start cable ends to contact each other or the engine. Note:
In temperatures from 0 to 60°C (32 to 140°F), the warm-up time is approximately three minutes. In temperatures below 0°C (32°F), additional warm-up time may be required. NOTICE Using a battery source with the same voltage as the electric starting motor. Use ONLY equal voltage for jump starting. The use of higher voltage will damage the electrical system. When the engine idles during warm-up, observe the following conditions: Do not reverse the battery cables. The alternator can be damaged. Attach ground cable last and remove first. Check for any fluid or for any air leaks at idle rpm and at one-half full rpm (no load on the engine) before operating the engine under load.
This is not possible in some applications. Turn all electrical accessories OFF before attaching the jump start cables. Operate the engine at low idle until all systems achieve operating temperatures. Check all gauges during the warm-up period. Ensure that the main power switch is in the OFF posi- tion before attaching the jump start cables to the en- gine being started. Note: Gauge readings should be observed and the data should be recorded frequently while the engine is operating. Comparing the data over time will help to determine normal readings for each gauge. Comparing data over time will also help detect abnormal operating developments.
Significant changes in the readings should be investigated. 1. Turn the start switch on the stalled engine to the OFF position. Turn off all the engines accessories. 2. Connect one positive end of the jump-start cable to the positive cable terminal of the discharged battery. Connect the other positive end of the jump- start cable to the positive cable terminal of the electrical source. 3. Connect one negative end of the jump-start cable to the negative cable terminal of the electrical source. Connect the other negative end of the jump-start cable to the engine block or to the chassis ground.
This procedure helps to prevent potential sparks from igniting the combustible gases that are produced by some batteries. Note: The engine electronic control module must be powered before the starting motor is operated or damage can occur. 4. Start the engine in the normal operating procedure. Refer to this Operation and Maintenance Manual, “Starting the Engine”.