Hilti SF 4-22, Operating Instructions Manual

Page: 17 / 88

*2272253*
2272253 English 13
4.3 Accessory tools – permissible diameters
SF 4-22 SF 4H-22
Keyless chuck clamping range 1.5 mm …
13 mm
(0.06 in … 0.5 in)
1.5 mm …
13 mm
(0.06 in … 0.5 in)
Ø drill bit (softwood)
1.5 mm …
25 mm
(0.06 in … 1.0 in)
1.5 mm …
25 mm
(0.06 in … 1.0 in)
Ø drill bit (hardwood)
1.5 mm …
14 mm
(0.06 in … 0.6 in)
1.5 mm …
14 mm
(0.06 in … 0.6 in)
Ø drill bit (metal) 1.5 mm …
10 mm
(0.06 in … 0.4 in)
1.5 mm …
10 mm
(0.06 in … 0.4 in)
Drill bit Ø (cellular
concrete/masonry)
•/• 4 mm … 8 mm
(0.2 in … 0.3 in)
5 Preparations at the workplace
WARNING
Risk of injury by inadvertent starting!
▶
Before inserting the battery, make sure that the product is switched off.
▶
Remove the battery before making any adjustments to the power tool or
before changing accessories.
Observe the safety instructions and warnings in this documentation and on
the product.
5.1 Charging the battery
1. Before charging the battery, read the operating instructions for the
charger.
2. Make sure that the contacts on the battery and the contacts on the
charger are clean and dry.
3. Use an approved charger to charge the battery. → page 9
5.2 Inserting the battery
WARNING
Risk of injury by short circuit or falling battery!
▶
Before inserting the battery, make sure that the contacts on the battery
and the contacts on the product are free of foreign matter.
▶
Make sure that the battery always engages correctly.
1. Charge the battery fully before using it for the first time.