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hm1101c
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Makita hm1101c [6/44] Indicator lamp

FUNCTIONAL DESCRIPTION

CAUTION:

• Always be sure that the tool is switched off and

unplugged before adjusting or checking function on

the tool.

Switch action

Fig.1

CAUTION:

• Before plugging in the tool, always check to see

that the tool is switched off.

• Switch can be locked in "ON" position for ease of

operator comfort during extended use. Apply

caution when locking tool in "ON" position and

maintain firm grasp on tool.

To start the tool, push the switch lever "ON (I)" on the left

side of the tool. To stop the tool, push the switch lever

"OFF (O)" on the right side of the tool.

Speed change

Fig.2

The blows per minute can be adjusted just by turning the

adjusting dial. This can be done even while the tool is

running. The dial is marked 1 (lowest speed) to 5 (full

speed).

Refer to the table below for the relationship between the

number settings on the adjusting dial and the blows per

minute.

Number on adjusting dial Blows per minute

2,650

2,400

1,750

1,300

1,100

011182

CAUTION:

• The speed adjusting dial can be turned only as far

as 5 and back to 1. Do not force it past 5 or 1, or the

speed adjusting function may no longer work.

For Model HM1111C only

NOTE:

• Blows at no load per minute becomes smaller than

those on load in order to reduce vibration under no

load, but this does not show trouble. Once

operation starts with a bit against concrete, blows

per minute increase and get to the numbers as

shown in the table. When temperature is low and

there is less fluidity in grease, the tool may not have

this function even with the motor rotating.

Indicator lamp

Fig.3

The green power-ON indicator lamp lights up when the

tool is plugged. If the indicator lamp does not light up, the

mains cord or the controller may be malfunction. The

indicator lamp is lit but the tool does not start even if the

tool is switched on, the carbon brushes may be worn out,

or the controller, the motor or the ON/OFF switch may be

malfunction.

The red service indicator lamp flickers up when the

carbon brushes are nearly worn out to indicate that the

tool needs servicing. After approx. 8 hours of use, the

motor will automatically be shut off.

ASSEMBLY

CAUTION:

• Always be sure that the tool is switched off and

unplugged before carrying out any work on the tool.

Side handle (auxiliary handle)

For tool with D-shaped side handle

Fig.4

The side handle can be swung 360° on the vertical and

secured at any desired position. It also secures at eight

different positions back and forth on the horizontal. Just

loosen the clamp nut to swing the side handle to a

desired position. Then tighten the clamp nut securely.

For tool with stick type side handle

Fig.5

The side grip swings around to either side, allowing easy

handling of the tool in any position. Loosen the side grip

by turning it counterclockwise, swing it to the desired

position and then tighten it by turning clockwise.

Installing or removing the bit

Fig.6

Clean the bit shank and apply bit grease before installing

the bit.

Insert the bit into the tool. Turn the bit and push it in until it

engages.

Fig.7

If the bit cannot be pushed in, remove the bit. Pull the

releasing cover down a couple of times. Then insert the

bit again. Turn the bit and push it in until it engages.

Fig.8

After installing, always make sure that the bit is securely

held in place by trying to pull it out.

Fig.9

To remove the bit, pull the releasing cover down all the

way and pull the bit out.

Bit angle

Fig.10

Fig.11

The bit can be secured at 12 different angles. To change

the bit angle, slide the change ring forward, then turn the

change ring to change the bit angle. At the desired angle,

slide the change ring back to the original position. The bit

will be secured in place.

Makita hm1101c [6/44] Indicator lamp

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