18 | English
Never try to connect the C-EXACT power tool directly
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to the mains. Do not use an extension cable. This may
damage the C-EXACT power tool.
Only the originally supplied cables should be used. Al-
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ways check the tool, cables and plug for damage be-
fore use. If damaged, the cables must be replaced rather
than repaired.
Have maintenance and repair work performed exclus-
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ively by a qualified specialist. This will ensure that the
safety of the power tool is maintained.
Always connect the power tool with the PUC-EXACT power
supply unit before connecting the power supply unit to the
mains.
Plug the tool cable (7) into the connection socket (13) on
the PUC-EXACT power supply unit. Make sure that the
groove (15) in the clutch of the tool cable fits onto the pin in
the connection socket. Screw the sleeve (11) onto the con-
nection socket by turning it clockwise.
When using electric straight screwdrivers with lever
start, make sure that you do not place the screwdriver on
the lever before connecting the PUC-EXACT power supply
unit to the mains. This will prevent the screwdriver from be-
ing started unintentionally.
When using electric straight screwdrivers with push
start, make sure that you do not exert axial pressure on the
screwdriver when connecting the PUC-EXACT power supply
unit to the mains. This will prevent the screwdriver from be-
ing started unintentionally.
Firstly, plug the connector plug (18) of the mains cable (19)
into the connection socket (21) on the PUC-EXACT power
supply unit. You can now connect the PUC-EXACT to the
power supply by plugging the mains plug (20) into a socket
with a with a protective earth contact.
Always connect the power cable to the PUC-EXACT power
supply unit before plugging the mains plug (20) into the
socket; there is a risk of electric shock otherwise.
Operation
Use personal protective equipment. Always
wear eye protection. Protective equipment
such as a dust mask, non-skid safety shoes,
hard hat or hearing protection used for appro-
priate conditions will reduce personal injuries.
Setting the Rotational Direction
Clockwise: Upon delivery the power tool is set to drive
in screws or bolts and nuts (clockwise rotation). The
rotational direction switch (5) is not pressed.
Anti-clockwise: To loosen screws and bolts or nuts,
press the rotational direction switch (5). Turn the rota-
tional direction switch to lock it.
Only operate the rotational direction switch (5) when
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the power tool is not in use.
1 609 92A 6L4 | (18.05.2021)
Switching the PUC-EXACT power supply unit on/
off (see figure A)
The PUC-EXACT power supply unit must be switched on be-
fore the C-EXACT power tool can be switched on (see "Con-
necting to the power supply (see figures A–B)", page 17).
To switch on the power supply unit, set the on/off switch
(14) on the power supply unit to position 1.
The green LED indicator (16) lights up when the power sup-
ply unit is ready for use.
PUC‑EXACT-1: If the LED indicator (17) lights up, a fault has
occurred.
To switch off the power supply unit, set the on/off switch
(14) on the power supply unit to position 0.
Switching the power tool on/off
The screwdrivers have a torque-dependent
shut-off clutch that can be set to a value in the
specified range. It activates when the set
torque is reached.
Electric straight screwdriver with lever start
To switch on the power tool, press the on/off switch (9)
down fully.
The power tool will switch off automatically when the set
torque is reached.
If the on/off switch (9) is released too early, the pre-
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set torque will not be reached.
Electric straight screwdriver with push start
To switch on the power tool, place the application tool on
the screw and exert light axial pressure on the screwdriver.
The power tool will switch off automatically when the set
torque is reached.
If the screwdriver releases prematurely, e.g. if the
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screwdriver's application tool slips off the screw, the
preset torque has not been reached.
Switching on the power tool or briefly pressing on the rota-
tional direction switch (5) will activate an LED worklight. The
LED goes out approx. two minutes after the tool was last
used to drive in/loosen a screw.
Do not look directly into the worklight; it can blind
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you.
Practical advice
Disconnect the power supply before adjusting the tool
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settings, changing accessories or storing the power
tool. This safety measure prevents the power tool from
being started accidentally.
Only apply the power tool to the screw/nut when the
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tool is switched off. Rotating tool inserts can slip off.
Setting the torque (see figures C–D)
The torque depends on the spring preload of the shut-off
clutch. The shut-off clutch is triggered upon reaching the set
torque, both in clockwise and anti-clockwise rotation.
Only use the supplied adjustment tool (22) to set the indi-
vidual torque.
Bosch Power Tools
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