TM 5-2410-240-23-1
0030
CHARGING SYSTEM TEST CONTINUED
00030
4. Connect clamp (Figure 2, Item 4) of ammeter (Figure 2, Item 1) around positive alternator cable (Figure 2,
Item 2) connected to alternator (Figure 2, Item 3) with the arrow (Figure 2, Item 5) of ammeter facing direction
of current flow (away from alternator).
5. Start engine and fully raise throttle (TM 5-2410-240-10).
6. Operate engine for approximately ten minutes with throttle raised while an assistant monitors ammeter.
a. If initial charging current is greater than 70 amps, proceed to step 7.
b. If initial charging current is less than 70 amps, alternator is faulty. Replace alternator (WP 0090).
Figure 2. Ammeter Connection.
0030