Hitachi DV 18DD, Руководство по обслуживанию, Страница: 6 / 9

-5-
After reassembly, install the battery in the tool body and check for operation of each component as follows.
(1) Checking for lighting of the LED light
Make sure the LED light turns on while pulling the switch and automatically turns off in about ten
seconds when you release your finger from the switch.
(2) Checking for rotating direction of the drill chuck
Press the Pushing Button [7] and check the Drill Chuck [2] rotates as indicated on the button. When you
press the “R” side of the Pushing Button [7] , the Drill Chuck [2] turns clockwise as viewed from the rear
of the tool body.
(3) Checking for runout of the drill chuck
Check that runout of the Drill Chuck [2] is 0.8 mm or less under the following conditions.
Condition 1: Set a 12-mm dia. test bar in the Drill Chuck [2] and measure runout of the Drill Chuck [2] at
a position 110 mm away from the tip of the Drill Chuck [2] .
Condition 2: Set a 6-mm dia. test bar in the Drill Chuck [2] and measure runout of the Drill Chuck [2] at
a position 70 mm away from the tip of the Drill Chuck [2] .
Item
No.
Part name
No.
used
Tightening torque
N•m kgf•cm
[1] Left-Hand Hexalobular M5 1 3.4±0.5 35±5
[2] Drill Chuck 13TLRA-N 1 29.4±2 300±20
[4] Tapping Screw (W/Flange) D3 x 16 (Black) 8 1.3±0.3 13±3
Measure the no-load current by using a fully charged battery after no-load running for five minutes.
No-load current: 2.0±1.0 A (DC 19.8 V—equivalent to the voltage of a fully charged battery) in High mode
Checking after reassembly
Tightening torque
No-load current
Та
ше
в
-
Га
лв
ин
г
ОО
Д
www.tashev-galving.com