Routine Maintenance - Teledyne 7639-27 Maintenance Manual

Lt-valve-regulated lead-acid batteries
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6.1
INSPECTION/SERVICE PERIOD
After initial installation, Gill requires the 1
months and thereafter at 6 months. Replace the battery at 24 months or 600 Flight Cycles.
Please refer to aircraft manufacturer's guidelines for further clarification.
The battery must be removed from the installation and serviced in a well-ventilated
designated area. During servicing, the battery will generate oxygen and hydrogen
gases, which can be explosive under the right conditions.
6.1.1 Battery Integrity
Visually inspect the battery for any signs of cracks, corrosion, unusual terminal
pin wear or discoloration on the pins.
ALL VRLA batteries contain sulfuric acid, which is highly corrosive and which can
cause serious physical injury if it comes in contact with skin or if inhaled. It can also
cause serious eye injury or blindness if it comes into contact with the eyes.
Caution must be exercised to avoid damage to the exterior case which could allow
the contents to escape or come in physical contact with external materials or
personnel.
If a battery case is found to be damaged, handle the battery with care and avoid
contact with the skin. Inspect all areas adjacent to the battery for evidence of
corrosion.
6.2
CONTINUED AIRWORTHINESS REQUIREMENT – CAPACITY TESTING
Figure 4, Battery Maintenance Flow, provides an overview of Battery Maintenance.
During this inspection process the following components must be reviewed:
6.2.1 Measure and record the battery voltage.
6.2.2 Charge the battery using Table 2.
Q01-4000
COMPONENT MAINTENANCE MANUAL

6. ROUTINE MAINTENANCE

st
capacity check of the battery to be performed at 12
WARNING
WARNING
Rev G
Page 12 of 28
Teledyne Battery Products

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7639-30lt7639-347638-367638-48p

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