MUC108S
3
rev. 09/09/09
MUC108S 10.8V Screwdriver
2 . Be aware that this tool is always in operating condition,
because it does not have to be plugged into an electrical outlet .
3 . Always be sure you have firm footing .
4 . Be sure no one is below when using the tool in high locations .
5 . Hold the tool firmly and use both hands .
6 . Keep hands and hair away from rotating parts .
7 . Do not leave the tool running . Do not force tool to stay in the
“on” position . Operate the tool only when hand-held .
8 . Do not touch the drill bit, impact socket, any adapter, or the
workpiece immediately after operation; they may be extremely
hot and could burn your skin .
9 . Some material contains chemicals which may be toxic . Take
caution to prevent working dust inhalation and skin contact .
Follow material supplier safety data .
WARNING:
MISUSE or failure to follow the safety rules stated in
this instruction manual may cause serious personal
injury.
OPERATING INSTRUCTION
Installing Or Removing Battery Pack
(See Fig .1, Fig .2)
1 . Your new battery pack is not
fully charged . You may need to
charge it before use .
2 . Make sure the switch is in the
off position before insertion/
removal of a battery pack .
3 . To remove a battery pack,
depress both tabs on either
side of the battery and pull
downward .
4 . To insert a battery pack, align
the battery with the tool
housing and push battery
inward until click indicating
battery is fully installed .
Charging The Battery Pack
(See Fig .3)
1 . Battery may not charge when
it is above a certain preset
temperature limit . Allow temperature of battery to cool before
charging .
2 . The charge process will take less than one hour .
3 . After charging, unplug the charger from the power source and
stow away in a safe place .
Tool Operation
1 . There are 12 torque settings on the tool . Adjust to the proper
setting for the job .
2 . Select the torque setting for the maximum torque position
(Useful when drilling) .
3 . Pull the bit retainer collard towards the tool while inserting
the bit .
4 . Ensure the bit is seated properly before actuating trigger .
5 . Forward and reverse switch is actuated by a sliding
mechanism located above the handle .
Replace Carbon Brush
1 . During the lifetime of a motor, 2-3 sets of carbon brushes
may need to be replaced .
2 . Please ensure that the battery is removed before the
following takes place .
3 . Use T8 size bit to loosen the side panel screws and remove
the panel .
4 . Take out the carbon brushes on both sides and replace with
new units from an Authorized Matco Distributor .
5 . Insert new carbon brushes and install cover with the same
screws . Tighten and check operation with charged battery
inserted into the tool .
Fig. 1
Fig. 2
Fig. 3
