Connect the to the negative terminal of the battery. (Note: If charging inside the vehicle, connect the black clamp to an unpainted metal part of the engine block away from the battery and fuel lines). Step 3: Powering Up Plug the power cable into a grounded 230V mains socket.
Do not cover the ventilation slots on the charger housing. If the unit overheats, its internal thermal cutout will trip. 5. Troubleshooting Guide Issue 1: The Ammeter needle does not move when plugged in.
stands out due to its steady current delivery profile and automatic load adjustment features. Before operating the unit, verify that your local main power line matches the rated input requirements. Technical Parameter Specification Value Model Trade Number KL 1206 / KL 1206 E Primary Part Numbers 7 780 301 143 / 7 780 301 145 Rated Input Voltage AC 220V – 240V, 50/60Hz Rated Output Voltage Effective Charging Current ~3.5A to 6A Peak (RMS) Supported Profiles Standard Lead-Acid, AGM, GEL Vehicle Compatibility Passenger Cars, Motorcycles, Light Commercial Trucks Housing Features Bosch Kl 1206 Manual
Always charge batteries in a well-ventilated space, such as an open garage or outdoors. Never charge a battery in a sealed, unventilated room.
Connect the to the Positive (+) terminal of the battery. Connect the to the negative terminal of the battery
: Always use the charger in a well-ventilated area. Batteries can emit explosive gases during the charging process.
This is a single-speed machine (On/Off only). Do not cover the ventilation slots on the charger housing
Are you looking to find out the for a replacement?
However, if it smells burnt or becomes too hot to safely hold, unplug it immediately. Ensure the ventilation slots on the casing are not covered or blocked by dust. Frequently Asked Questions Does the Bosch KL 1206 have automatic shut-off?
If you own a KL 1206 and lack the original paper manual, visit the Bosch Classic website or search the part number 1 687 022 018 (which is the repair kit, sometimes includes a copy of the manual). Vintage tractor and trailer forums are the best source for scanned copies.
Bosch Technical Manual For LAB | PDF | Battery (Electricity)