Operation - DeWalt DC540 Instructions Manual

EN GLI SH
Electronic Auto-reverse
This tool has an auto-reverse feature that reverses
the plunger depending on material used and speed
of tool.
ASSEMBLY
The DC540 comes fully assembled with the
310 ml cartridge.
The DC542 and DC547 come fully assembled with
the 600 ml cartridge and in addition, has the 310 ml
included.
Prior to Operation
Prior to operation, make sure your battery pack is
(fully) charged.

OPERATION

Instructions for Use
WARNING: Always observe the safety
instructions and applicable regulations.
WARNING: To reduce the risk
of serious personal injury, turn
tool off and disconnect tool from
power source before making any
adjustments or removing/installing
attachments or accessories.
Proper Hand Position (fi g. 5)
WARNING: To reduce the risk of
serious personal injury, ALWAYS use
proper hand position as shown.
WARNING: To reduce the risk of
serious personal injury, ALWAYS hold
securely in anticipation of a sudden
reaction.
Proper hand position requires one hand on the main
handle (bb), with the other hand on the plunger rod
handle (f).
Trigger Switch (fi g. 1)
To turn the tool on, squeeze the trigger switch (b).
To turn the tool off, release the trigger switch. Your
tool is equipped with a trigger switch lock-off (c) to
safeguard against inadvertent release of material.
Trigger Switch Lock-off (fi g. 1)
1. To lock the trigger switch, push trigger switch
lock-off (c) up. The tool will not operate with the
switch in the locked position.
2. To unlock the trigger switch, push the trigger
switch lock-off down.
40
Variable Speed Dial (fi g. 1)
1. Turn the variable speed dial (e) counterclockwise
for minimum flow of caulk or adhesive. Turn the
dial clockwise for maximum flow of caulk or
adhesive.
2. Press the trigger switch (b) to start the flow of
material.
Rotating Cartridge Holder
The cartridge holder rotates 360˚ to apply material at
any angle.
Plunger Rod Handle (fi g. 1)
WARNING: Turn tool off and disconnect
battery pack before hanging or storing
tool. Lock the trigger switch when the
tool is not in use and when storing the
tool.
WARNING: To reduce the risk of
serious personal injury, DO NOT use
the plunger rod handle to suspend any
object. Serious personal injury may
result.
The plunger rod handle may be used to suspend
tool from a stable location when not in use or for
storage.
To Adjust Plunger Rod (fi g. 1)
1. To manually adjust plunger rod (g), press and
hold the plunger rod release trigger (a).
2. Push or pull plunger rod handle (f) to desirable
position then release plunger rod release trigger.
To Insert Material
WARNING: Burst hazard. Material left
in the cartridge/sausage holder may dry
if left unattended. Follow manufacturer's
recommendations when using caulk or
adhesive material to reduce the risk of
personal injury.
CARTRIDGE HOLDER (FIG. 1)
1. Ensure that the proper cartridge holder is
installed properly.
2. Use the trigger switch lock-off (c) to lock trigger
switch (b).
3. Trim nozzle end of the caulk/adhesive tube.
Small openings require more force to push
the material possibly affecting battery life. The
texture of the material and the speed of the
application affect the smoothness and flow of
the material.