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4. Maintenance of the motor. The motor unit winding is the very “heart” of the power tool. Exercise due care to ensure the winding does not become damaged and/or wet with 

oil or water.
5. Inspecting the carbon brushes. The motor employs carbon brushes which are consumable parts. Since and excessively worn carbon brush can result in motor trouble, replace 

the carbon brush with new ones when it becomes worn to or near the “wear limit”. In addition, always keep carbon brushes clean and ensure that they slide freely within the 

brush holders.
6. Replacing carbon brushes. Take out the carbon brush by first removing the brush cap and then hooking the protrusion of the carbon brush with a flat head screw driver.
When installing the carbon brush, choose the direction so that the carbon brush agrees with the contact portion outside the brush
tube. Then push it in with a finger as illustrated in Lastly, install the brush cap.  

WARNING! 

Be absolutely sure to insert the nail of

the carbon brush into the contact portion outside the brush tube. Caution must be exercised since any error in this operation can
result in the deformed the carbon brush and may cause motor trouble at an early stage.
7. Check for Dust. Dust may be removed with a soft cloth or a cloth dampened with soapy water. Do not use bleach, chlorine,
gasoline or thinner, for they may damage the plastics.
8. Disposal of the exhausted battery. 

WARNING! 

Do not dispose of the exhausted battery. The battery must explode if it is incinerated. The product that you have purchased 

contains a rechargeable battery. The battery is recyclable. At the end of its useful life, under various state and local laws, it may be illegal to dispose of this battery into the 

municipal waste stream. Check with your local solid waste officials for details in your area for recycling options or proper disposal.
9. Storage. Storing in a place below 104°F (40°C) and out of the reach of children. 
10. It is  are constantly being improved and modified to incorporate the latest technological advancements. Accordingly, some parts may be changed without prior notice. 

WARNING! 

Repair must be carried Out to the Authorized Service Center. This Parts List will be helpful if presented with the tool to the Service Center when requesting repair or 

other maintenance. In the operation and maintenance of power tools, the safety regulations and standards prescribed in each country must be observed.

carbon brush

Accessories 

WARNING! 

ALWAYS use only authorized replacement parts and accessories. NEVER use replacement parts or accessories which are not intended for use with this tool. My hand 

center if you are not sure. whether it is safe to use a particular replacement part or accessory with your tool. The use of any other attachment or accessory can be dangerous 

and could cause injury or mechanical damage. 

ATTENTION! 

Accessories are subject to change without any obligation.

12

13

14

12 Battery 

13 Battery charger 

14 Plastic case

Vibration and Noise

Hand-Arm Vibration Level(Load): 10.07 m/s2 
Sound Power Level(Load): 93.29 dB(A)
Sound  Pressure  Level  At  Operator  Position: 

104.29dB(A)

Summary of Contents for 1392

Page 1: ...n from one terminal to another Shorting the battery terminals together may cause sparks burns or a fire 15 Maintain tools with care Keep cutting tools sharp and clean Pro perly maintained tools with sharp cutting edges are less likely to bind and are easier to control 16 Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the tools operation ...

Page 2: ...nto place Always slide it all the way until it locks in place with a little click If not it may accidentally fall out of the tool causing injury to you or someone around you How to remove the battery Withdraw battery from the tool handle while pressing the latch on the top of the battery Charging method 1 Insert the plug of battery charger into the receptacle When the plug of battery charger has b...

Page 3: ...o the battery charger as shown below Make sure it contacts the bottom of the battery charger WARNING If the batteries are inserted in the reverse direction not only recharging will become impossible but it may also cause problems in the charger such as a deformed recharging terminal 3 Charging When the battery is connected to the battery charger charging will commence and the pilot lamp will light...

Page 4: ...ned up straight with the screw 8 Tightening and loosening bolts A square socket matching the bolt or nut must first be selected Then mount the socket on the anvil and grip the nut to be tightened with the hex socket Holding the wrench in line with the bolt press the power switch to impact the nut for several seconds If the nut is only loosely fitted to the bolt the bolt may turn wit the nut theref...

Page 5: ... battery must explode if it is incinerated The product that you have purchased contains a rechargeable battery The battery is recyclable At the end of its useful life under various state and local laws it may be illegal to dispose of this battery into the municipal waste stream Check with your local solid waste officials for details in your area for recycling options or proper disposal 9 Storage S...

Page 6: ...ation of reasonable evidence completed guarantee card purchase receipt or delivery note Damage attributable to normal wear and tear overload or improper handeling will be excluded from guarantee In case of complaint please send the tool undismanteled together with proof of purchase to the nearest Unior service station postal charges prepaid Unior d d reserves the right to decline responsibility in...

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