ARMY TM 9-6115-671-14
AIR FORCE TO 35C2-3-446-32
MARINE CORPS TM 09249A/09246A-14
5-56
TABLE 5-2. GENERATOR RESISTANCE VALUES AT 25° C (77° F)
Resistance
Component
MEP-805B
MEP-815B
Exciter Stator
Between 24.85 & 33.61 ohms
Between 24.7301 & 33.4583 ohms
Exciter Rotor
Between 0.202 & 0.274 ohms
Between 0.2082 & 0.2816 ohms
Generator Rotor
Between 0.52 & 0.70 ohms
Between 1.0835 & 1.4659 ohms
Generator Stator
Between 0.040 & 0.054 ohms
Between 0.015 & 0.0202 ohms
(7)
Connect exciter field leads F1 and F2 to terminals 1 and 2 of terminal board TB8 (Refer to
Schematic FO-1), and close output box access door.
(8)
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 rear housing panel. Refer to paragraph 4.7.5.
(4)
Open output box access door (Figure 1-2), and disconnect exciter field leads F1 and F2 from
terminals 1 and 2 of terminal board TB8. Refer to Schematic FO-1.
(5)
Attach pieces of rigid wire with a hook bent into one end of each ("fish wires") to disconnected
F1 and F2 leads to aid in installation process.
(6)
Remove end bell. Refer to paragraph 5.10.2.
(7)
Remove bolt (15, Figure 5-10) and exciter stator (16) from end bell (7).
(8)
Detach "fish wires" once F1 and F2 leads clear generator housing (11).
(9)
Attach "fish wires" to F1 and F2 leads of exciter stator (16).
(10) Gently pull on "fish wires" to pull F1 and F2 leads back through generator housing (11).
Disconnect "fish wires", and position F1 and F2 leads in output box, Figure 1-3.
(11) Position exciter stator (16) in end bell (7). Secure exciter stator in place with bolt (15).
(12) Install end bell. Refer to paragraph 5.10.2.
(13) Connect exciter field leads F1 and F2 to terminals 1 and 2 of terminal board TB8 (Figure 5-9).
Close output box access door (Figure 1-2).
(14) Install rear housing panel. Refer to paragraph 4.7.5.
(15) Connect negative battery cable to battery, and close BATTERY ACCESS door.
