Military MEP MEP-804A — Battery Testing (Specific Gravity)
Maintenance · Batteries
For the Military MEP MEP-804A, from the Military MEP service manual.
Applies to: Military MEP MEP-804A
Before you start
- Battery acid can cause burns to unprotected skin.
- Batteries give off a flammable gas.
Procedure
- Shut down generator set.
- Open battery access door and disconnect negative battery cable.
- Remove battery vent caps.
- Test specific gravity of electrolyte in each cell with a hydrometer.
- Recharge or replace batteries as necessary.
- Install vent caps, connect negative cable, close access door.
Tools required
- Hydrometer Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 1.280 specific gravity = 100 percent charge at 80°F (27°C).
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.