DANGER
Fire and explosion hazard.
High currents caused by short-circuited battery. Shorted batteries can catch fire or explode.
Battery casing may crack and allow acidic fluid to spray out.
➤ Observe the instructions provided with the battery jumper cables.
➤ Do not connect the battery jumper cables to the negative pole of the discharged battery or to
the bodywork of the machine.
➤ Work with caution.
Fig. 36 Jumper cable connection diagram
a
Assisting vehicle batteries
b
Machine batteries
1
Positive (+) terminal of the assisting vehicle
2
Positive (+) terminal of the machine batteries
3
Bare metal point on the engine block (earth)
4
Negative (-) terminal of assisting vehicle bat‐
teries
➤ Follow the safety rules when dealing with batteries:
■ Connect batteries of the same voltage only.
■ The assisting vehicle and machine to be started must not touch.
■ Do not bend over the batteries when attaching jumper cables.
■ Only use battery jumper cables of sufficient cross-sectional area and with insulated terminal
clamps.
■ Observe the instructions provided with the battery jumper cables.
■ Keep jumper cables away from rotating parts.
■ Do not attempt to start the machine if its batteries are frozen. Allow the batteries to thaw first.
■ Do not try to start the machine with a boost charger.
Connecting the battery jumper cables
1. Stop the engine of the assisting vehicle.
2. Switch off all power consumers.
3. Connect positive terminals
2
and
1
.
7
Initial Start-up
7.9
Low-temperature operation (winter)
No.: 9_6975 00 E
Service Manual Screw Compressor
M135 SIGMA CONTROL MOBIL
71