ARMY TM 9-6115-671-14
AIR FORCE TO 35C2-3-446-32
MARINE CORPS TM 09249A/09246A-14
4-123
(5)
Connect positive lead of multimeter to cathode side and negative lead to anode side of diode (9,
Figure 4-16). Refer to Figure 4-17. Multimeter should indicate open loop for diode.
FIGURE 4-17. DIODE IDENTIFICATION
(6)
Reverse multimeter leads so positive lead is connected to anode and negative lead is connected to
cathode side of diode. Multimeter should indicate continuity for diode.
(7)
If any indications are other than above, replace diode.
(8)
Install DCS control box top panel, paragraph 4.7.2.
(9)
Connect negative battery cable to battery, and close BATTERY ACCESS door.
c. Replacement.
(1)
Shut down generator set, paragraph 2.11.2.
(2)
Open BATTERY ACCESS door (Figure 1-2), and disconnect negative battery cable.
(3)
Remove DCS control box top panel, paragraph 4.7.2.
NOTE
Soldering applies only to CR1. All other diodes are installed with screws.
(4)
For CR2-CR10, tag and remove diode from unit. Refer to Schematic FO-1.
(5)
Tag and desolder electrical leads from terminals (20, Figure 4-16).
(6)
Desolder diode (9) from terminals (20).
(7)
Solder diode (9) to terminals (20).
(8)
Solder electrical leads to terminals (20). Remove tags.
(9)
Install CR2-CR10 and remove tags. Refer to Schematic FO-1.
(10) Install DCS control box assembly, paragraph 4.8.1.