Intended Use - DeWalt DCF503 Original Instructions Manual

• Take the time to thoroughly read and understand this manual
prior to operation.
Markings on Tool
The following pictograms are shown on the tool:
a
Read instruction manual before use.
g
Wear ear protection.
f
Wear eye protection.
n
Visible radiation. Do not stare into light.
Date Code Position (Fig. B)
The production date code
by a 2‑digit week and is extended by a 2‑digit factory code.
Description (Fig. A)

WARNING: Never modify the power tool or any part of it.
Damage or personal injury could result.
Trigger switch
1
1/4" or 3/8" square anvil
2
Forward/reverse dial
3
Battery release button
4
Battery pack
5
Worklight
6
Main handle
7
Lock‑off button
8

Intended Use

These powered ratchets are designed for light duty fastening
applications. These powered ratchets are not torque wrenches.
DO NOT use this tool for tightening fasteners to specified torques.
An independent calibrated torque measurement device such as a
torque wrench should be used when torques are specified.
DO nOt use under wet conditions or in the presence of
flammable liquids or gases.
These powered ratchets are professional power tools.
DO nOt let children come into contact with the tool.
Supervision is required when inexperienced operators use
this tool.
• Young children and the infirm. This appliance is not
intended for use by young children or infirm persons
without supervision.
• This product is not intended for use by persons (including
children) suffering from diminished physical, sensory or mental
abilities; lack of experience, knowledge or skills unless they are
supervised by a person responsible for their safety. Children
should never be left alone with this product.
ASSEMBLY AND ADJUSTMENTS

WARNING: To reduce the risk of serious personal injury,
turn tool off and disconnect battery pack before making
any adjustments or removing/installing attachments or
accessories. An accidental start-up can cause injury.

WARNING: Use only D
consists of a 4‑digit year followed
9
WALT batteries and chargers.
e
Inserting and Removing the Battery Pack from the
Tool (Fig. B)
nOtE: Make sure your battery pack
To Install the Battery Pack into the Tool Handle
1. Align the battery pack with the rails inside the tool's
handle (Fig. B).
2. Slide it into the handle until the battery pack is firmly seated
in the tool and ensure that you hear the lock snap into place.
To Remove the Battery Pack from the Tool
1. Press the battery release button
pack out of the tool handle.
2. Insert battery pack into the charger.
Fuel Gauge Battery Packs (Fig. B)
Some D WALT battery packs include a fuel gauge, which
e
consists of three green LED lights that indicate the level of
charge remaining in the battery pack.
To actuate the fuel gauge, press and hold the fuel gauge
button . A combination of the three green LED lights will
10
illuminate, designating the level of charge left. When the level
of charge in the battery is below the usable limit, the fuel gauge
will not illuminate and the battery will need to be recharged.
nOtE: The fuel gauge is only an indication of the charge left on
the battery pack. It does not indicate tool functionality and is
subject to variation based on product components, temperature
and end‑user application.
Anvil (Fig. D)

CAUTION: Inspect anvil prior to use. Missing or damaged
items should be replaced before use.
nOtE: The DCF503 ships with 1/2" square anvil. The DCF504
ships with 3/8" square anvil.
to install an accessory on the anvil, align the accessory with
the anvil 2 . Press the accessory onto the anvil
to remove an accessory, pull the accessory off the anvil
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 battery pack before making
any adjustments or removing/installing attachments or
accessories. An accidental start-up can cause injury.
Proper Hand Position (Fig. C)

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.

WARNING: Ratchet may stall (if overloaded or improperly
used), causing a twist. Always expect the stall. Grip the ratchet
firmly to control the twisting action and prevent loss of control
which could cause personal injury.
Proper hand position requires one hand on the main handle
shown to control the twisting action of the ratchet.
Variable Speed Trigger (Fig. A)
The tool is turned on and off by pulling and releasing the
variable speed trigger 1 . The farther the trigger is depressed,
EngLIsh
5 is fully charged.
4 and firmly pull the battery
2 .
2 .
7 as
17