9
5.S
ERVICE
A
ND
M
AINTENANCE
1.
Have the screwdriver or components repaired by a qualified or trained person only.
2.
For the purpose of making proper use, request the following check and maintenance by an authorized
service facility.
DLV7300 series
Routine inspections and
Parts to be replaced
Number of Tightening (million)
0.5
1.0
1.5
2.0
Routine inspection
(1) Operation check
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(2) Grease-up
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(3) Brake switch timing check
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Routine inspection and parts to be replaced
(1) *Brush assembly
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(2) Armature assembly
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(3) Power cord
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(3) Spindle gear head assembly
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(4) Gear case assembly
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(5) *Cam rollers and Cam guide balls
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(6) Cam guide
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(7) Spindle bearing
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* Brush assembly
If the remainder length of the brush reaches 3mm, change it for the new brush.
When you return the brush again after having checked it, do not insertion opposite side.
Keep former condition.
WARNING
Switch off and take off the plug when you change the brush.
Contents for operation check
Operation check items
Check procedure
(1) Does screwdriver rotate for both
directions smoothly?
With tool plugged, turn on the reverse switch to forward or
reverse position and turn on the switch.
Then check if the tool rotates smoothly.
(2) Does screwdriver stop at one index of
the clutch?
Check if the motor stops instantly at the moment a screw was
tightened up.
(3) Is the torque decreasing?
Check by torque checker or equivalent.
3mm
Summary of Contents for Delvo DLC1213-LUB
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