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Maintenance M2 Data Acquisition Device
Replace the battery pack with the exact replacement rechargeable nickel-metal hydride (Ni-MH)
type battery only. Do not attempt to use standard (lead/zinc) batteries as they do not provide
sufficient power to operate the Data Acquisition Device, and may leak and damage the tool.
Risk of electric shock.
• Prior to recycling the battery pack, protect exposed terminals with heavy insulating tape
to prevent shorting.
• Disconnect all test leads and turn diagnostic tools off before removing the battery pack.
• Do not attempt to disassemble the battery or remove any component projecting from or
protecting the battery terminals.
• Do not expose the unit or battery pack to rain, snow, or wet conditions.
• Do not short circuit the battery terminals.
Electric shock can cause injury.
Be aware of all applicable safety considerations when replacing, handling, and recycling batteries.
Refer to "Battery Safety Guidelines‚" on page 131 for details.
z To replace the battery pack:
1. Press to release the hanger catch on the back of the M2 unit (Figure 15-8), then swing the
hanger up (180º) so that it is fully extended.
1— Hanger Catch
2— Captive Screw
Figure 15-8 M2 unit battery pack replacement
2. Loosen the captive screw that secures the battery cover (Figure 15-8).
3. Remove the battery cover.