Mercedes Benz Truck R 320 BLUETEC Technical S-54_10-221 Date: 090529
Electrical - Auxiliary Battery Replacement
Date: May 29, 2009
Order No.: S-B-54.10/221
Group: 54
SUBJECT:
MY-All, Models 164, 221, and 251
Replacing Additional Battery
To ensure maximum service life of a new additional battery (G1/7) and to prevent consequent damage, any additional battery must be charged before
being installed in a vehicle.
The measured voltage of the additional battery must be checked before installation and it must be at least 12.8 V without load.
Voltage Test and Charging Time
Only additional batteries which have a measured voltage of at least 12.0 V without load are allowed to be recharged.
Recharging must be carried out with a constant, limited charging voltage of Umax = 13.8 V with a charge time of under 1 hour.
Required Charger
Midtronic Battery Charger PSC 550 is the required charger to use and is available by launching the SSEP Catalog under the MB Equipment category
of STAR TekInfo. For product information and ordering assistance, contact our equipment provider, SPX-DES at 1-888-458-4040.
Procedure
Connect the adapter and connection lines to the additional battery (G1/7) and charger with the red line to positive terminal (+) and the black line to
the negative terminal (-).
The parts to be used for charging are listed in the Parts Information section below.
Parts Information
Mercedes Benz Truck R 320 BLUETEC
Page 242
Special Tools
Electrical - Auxiliary Battery Replacement
Date: May 29, 2009
Order No.: S-B-54.10/221
Group: 54
SUBJECT:
MY-All, Models 164, 221, and 251
Replacing Additional Battery
To ensure maximum service life of a new additional battery (G1/7) and to prevent consequent damage, any additional battery must be charged before
being installed in a vehicle.
The measured voltage of the additional battery must be checked before installation and it must be at least 12.8 V without load.
Voltage Test and Charging Time
Only additional batteries which have a measured voltage of at least 12.0 V without load are allowed to be recharged.
Recharging must be carried out with a constant, limited charging voltage of Umax = 13.8 V with a charge time of under 1 hour.
Required Charger
Midtronic Battery Charger PSC 550 is the required charger to use and is available by launching the SSEP Catalog under the MB Equipment category
of STAR TekInfo. For product information and ordering assistance, contact our equipment provider, SPX-DES at 1-888-458-4040.
Procedure
Connect the adapter and connection lines to the additional battery (G1/7) and charger with the red line to positive terminal (+) and the black line to
the negative terminal (-).
The parts to be used for charging are listed in the Parts Information section below.
Parts Information
Mercedes Benz Truck R 320 BLUETEC
Page 242
Special Tools
