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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 carefully.
Fig. 38 Jumper cable connection diagram
A
Engine batteries (receiving batteries)
B
Assisting vehicle batteries (external donor
batteries)
1
Negative pole clamp (black/blue) on battery
of assisting vehicle
2
Positive pole clamp (red) on battery of as‐
sisting vehicle
3
Positive pole clamp (red) on engine battery
4
Negative pole clamp (black/blue) on engine
battery
5
Bare metal point on the engine block (earth)
➤ Follow the safety rules when dealing with batteries:
■ Connect batteries of the same voltage only.
■ The assisting vehicle and the machine to be started must not touch.
■ Switch off all consumers prior to connecting and disconnecting the batteries.
■ Only use battery jumper cables of sufficient diameter and with insulated terminal clamps.
■ Observe the instructions provided with the battery jumper cables.
■ Keep jumper cables away from rotating parts.
■ Avoid short-circuits due to incorrect poling and/or bridging with tools.
■ Do not bend over the batteries when attaching jumper cables.
■ 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.
Preparations:
1. Park the assisting vehicle in close distance to the engine, without their bodywork touching each
other.
2. Stop the engine of the assisting vehicle.
7
Initial Start-up
7.9
Low-temperature operation (winter)
No.: 9_9425 01 E
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
73