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Military MEP MEP-804A — Battery charging alternator test (installed)

Testing & diagnosis

For the Military MEP MEP-804A, from the Military MEP service manual.

Applies to: Military MEP MEP-804A

Procedure

  1. Check battery voltage between alternator terminals BAT and R and ground with master switch in Prime Run Position.
  2. Start Gen Set operator and recheck voltage on terminal Pos Bat and ground.
  3. Voltage should be 28 + 2 VDC.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • 28 + 2 VDC

Full service-parts list: Military MEP MEP-804A →

Source: Military MEP service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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