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Harbor Freight Tools Cen-Tech Owner's Manual & Safety Instructions page 10

Heavy duty 6/12 volt battery charger with engine start

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Engine Starting
Some vehicles with onboard computers may be damaged from the high-current starting output.
Thoroughly read the vehicle service manual before using this procedure.
Note: During extremely cold weather or when battery
is severely exhausted, charge the battery for about
five minutes before attempting to turn on engine.
1. Set the charge rate and timer to the OFF positions.
2. Plug the Charger AC power cord into the AC outlet.
3. Set the Volt/Amp selector to the correct setting.
Make sure setting of Engine Start charge
rate matches the vehicle battery.
4. For negative-grounded vehicle, connect
POSITIVE (RED) clip from battery charger to
POSITIVE (POS, P, +) ungrounded post of battery.
Connect NEGATIVE (BLACK) clip to vehicle
chassis or engine block away from battery.
Do not connect clip to carburetor, fuel lines, or
sheet-metal body parts. Connect to a heavy
gauge metal part of the frame or engine block.
5. Position AC and DC cables to reduce risk of
damage by hood, door, or moving engine part.
Page 10
For technical questions, please call 1-888-866-5797.
6. WARNING! TO pREVENT SERIOUS
INJURy, FIRE, AND DAMAGE TO
STARTER AND BATTERy, follow duty
cycle for each Start mode as follows:
100A, 6V:
60 second maximum with 90 second minimum rest
200A, 12V:
5 second maximum with 240 second minimum rest
7. To start the engine, set the charge time dial to HOLD
and turn ignition key. ONLy KEEp cHARGER
IN START MODE AS LONG AS THE DUTy
cycLE LISTED ABOVE ALLOWS.
Note: If the unit beeps, the cables are reversed or
touching (short-circuited) and the Engine Starter will
power off. Check that cables are connected properly.
8. If engine fails to start, charge battery for an
additional five minutes before attempting to start.
9. After the engine starts, move the charge rate
switch to OFF and unplug the power cord from
outlet before disconnecting the DC cable clamps.
Item 62292

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