How To Select Tightening Power And Speed; Maintenance And Inspection - Hitachi FDS10DVA Instruction Manual

NOTE
The numbers shown in Table 2 are references and vary according to type and
hardness of material to be drilled or screwed and sharpness of drill bit.

HOW TO SELECT TIGHTENING POWER AND SPEED

Use
Small
Screw
screws
tightening
Wood
screws
Wood
materials
Drilling
Metallic
materials
NOTE
The selected content shown in table 3 indicates the differences according to screw
type, screw size and material used.
CAUTION:
While operating the Cordless driver drill, take care not to lock the motor.
If the motor is locked, immediately turn the power off.
If the motor is locked for a while, the motor or battery must be burnt.
Do tighten too strongly as the screw heads will be damaged.

MAINTENANCE AND INSPECTION

CAUTION: Pull out battery before doing any inspection or maintenance.
1. Checking the condition of the bit.
The bits should be checked regularly. If worn or broken bits can slip or decrease
the efficiency of the motor and burn it out.
Replace worn bits with new ones.
CAUTION: If you use a driver bit of which point is worn or broken, it will be
dangerous since it slips. So replace it with a new one.
Table 3
Cap
position
Low speed
For #8 (4mm)
1 ~ 5
or below screw size
For #6 (3.5mm)
1 ~ 5
or below screw size
For 3/8'' (10mm)
or larger diameters
For drilling with an iron
working drill
Speed (shift knob position)
High speed
For #10 (5mm)
or above screw size
For #6 (3.8mm)
or above screw size
For 3/8'' (10mm)
or less diameters
19