Complying with safety instructions:
1. WARNING!
Fault in starting aid process!
➤ Connect batteries of the same voltage only.
➤ Ensure that machine and assisting vehicle do 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 battery when attaching jumper cables.
➤ Do not attempt to start the machine if its battery is frozen. Allow the battery to thaw first!
➤ Do not try to start the machine with a boost charger.
2. Comply with the safety instruction shown when using starting aids and starter batteries.
Preparations:
1. Park the assisting vehicle in close distance to the engine, without their bodywork touching each
other.
2. Stop the drive engine of the assisting vehicle.
3. Open the accesses to the batteries (remove maintenance panels/bonnet and pole caps).
4. Switch off all power consumers.
Connecting the battery jumper cables:
1. Connect the positive terminals
2
and
1
.
2. DANGER!
Explosion hazard!
A spark may ignite an explosive gas mixture.
➤ Do not, under any circumstances, connect the negative pole of the assisting machine to
the negative pole of the battery in the machine to be started.
This can cause sparks when connecting and disconnecting.
➤ Work with caution.
3. Connect the minus pole of the assisting battery
4
to a bare metal point on the machine’s drive
engine
3
to be started (as far away from the battery as possible).
Starting the drive engine:
1. Start the drive engine of the assisting vehicle and run at high speed.
2. Start drive engine of the machine.
Let the two drive engines run for approximately 10-15 minutes after the successful start.
This is important, in particular for fully discharged batteries. They will pick up little current only
in the beginning and have a high internal resistance. Any voltage peaks occurring in the en‐
gine generator in this state can be attenuated only by the battery of the assisting vehicle. The
engine electronics of the machine, in particular, is sensitive to overvoltages and could be da‐
maged easily.
7
Initial Start-up
7.4
Low-temperature operation
No.: 9_9548 22 HCE
Operating Manual Portable Rotary Screw Compressor
MOBILAIR M27 PE
61
