Harbor Freight Tools 18 Volt 1/2 in. Cordless Variable Speed Hammer Drill with Keyless Chuck 製品マニュアル
Page 10
For technical questions, please call 1-800-444-3353.
Item 68851
maintenance and Servicing
procedures not specifically explained in this manual must
be performed only by a qualified technician.
to pRevent SeRiouS injuRY FRom aCCidental opeRation:
Release the trigger and remove the Battery pack before performing
any inspection, maintenance, or cleaning procedures.
to pRevent SeRiouS injuRY FRom tool FailuRe: do not use damaged equipment.
if abnormal noise or vibration occurs, have the problem corrected before further use.
Cleaning, maintenance, and lubrication
1.
BeFoRe eaCh uSe, inspect the general
condition of the tool. Check for:
• leaking, swollen, or cracked battery pack,
• loose hardware,
• misalignment or binding of moving parts,
• cracked or broken parts, and
• any other condition that may
• leaking, swollen, or cracked battery pack,
• loose hardware,
• misalignment or binding of moving parts,
• cracked or broken parts, and
• any other condition that may
affect its safe operation.
2.
aFteR uSe, wipe external surfaces
of the tool with clean cloth.
3.
ni-Cd BatteRY muSt Be ReCYCled oR
diSpoSed oF pRopeRlY.
do not short, incinerate or open Battery pack.
4. Store in clean, dry and safe location
out of reach of children.
troubleshooting
problem
possible Causes
likely Solutions
Tool will
not start.
1. Battery Pack not properly
connected.
2. Battery Pack not
properly charged.
3. Battery Pack burnt-out.
4. Internal damage or wear.
1. Remove Battery Pack, make sure there are no
obstructions, reinsert the Battery Pack according
to its shape (it should only fit one way), and press
firmly until the Battery Pack locks in place.
2. Make sure Charger is connected and operating properly.
Give enough time for Battery Pack to recharge properly.
3. Dispose of old Battery Pack properly or recycle.
Replace Battery Pack.
4. Have technician service tool.
Tool operates
slowly.
1. Forcing tool to work too fast.
2. Battery Pack power low.
3. Battery Pack burnt-out.
2. Battery Pack power low.
3. Battery Pack burnt-out.
1. Allow tool to work at its own rate.
2. Recharge Battery Pack.
3. Dispose of old Battery Pack properly or recycle.
2. Recharge Battery Pack.
3. Dispose of old Battery Pack properly or recycle.
Replace Battery Pack.
Performance
decreases
over time.
1. Bit dull or damaged.
2. Battery Pack wearing out.
2. Battery Pack wearing out.
1. Keep cutting bits sharp. Replace as needed.
2. Battery Pack capacity will gradually decrease through use.
2. Battery Pack capacity will gradually decrease through use.
If symptoms are severe, recycle old Battery Pack
(or dispose of properly) and replace it.
Excessive noise
or rattling.
Internal damage or wear. (Carbon
brushes or bearings, for example.)
Have technician service tool.
Overheating.
1. Forcing tool to work too fast.
2. Bit dull or damaged.
3. Blocked motor housing vents.
2. Bit dull or damaged.
3. Blocked motor housing vents.
1. Allow tool to work at its own rate.
2. Keep cutting bits sharp. Replace as needed.
3. Wear ANSI-approved safety goggles and
2. Keep cutting bits sharp. Replace as needed.
3. Wear ANSI-approved safety goggles and
NIOSH-approved dust mask/respirator while
blowing dust out of motor using compressed air.
Follow all safety precautions whenever diagnosing or servicing the tool.
disconnect Battery pack and Charger power supply before service.
Sa
Fet
Fet
Y
o
pe
R
ation
m
aintenan
C
e
Setup