Milwaukee V28 User Manual download pdf (Page 4)

5.2 Battery Pack Protection

To protect the battery pack from damage and extend

its life, the battery pack’s V™-technology intelligent

circuit will turn OFF the battery pack if the current

draw becomes too high. This could happen in

extremely high torque, binding, stalling, and short

circuit situations. In these situations, the pump motor

will pulse for about 5 seconds before the battery pack

turns OFF.

To prevent the battery pack from turning OFF,

immediately reduce pressure on the application

or release the trigger. If the trigger is pulled after

the battery pack turns itself OFF, a clicking sound

(about once per second) will be heard and the pump

mechanism may rotate slightly. Place the battery pack

on the charger to reset the intelligent circuit and turn

the battery pack back ON.

5.3 Cold Weather Operation

The MILWAUKEE 28V Lithium-Ion battery pack can

be used in temperatures down to -4ºF [-15ºC]. When

the battery pack is very cold, it may pulse for the ﬁrst

minute of use to warm itself up. Put the battery pack

on the pump and operate the pump under a light

load. After about a minute, the pack will have warmed

itself up and will operate normally. If the battery pack

is used too hard before it has warmed up, it may

“buzz” for 5 seconds and then turn itself OFF. Refer

to Section 5.2 for additional information.

5.4 Maintenance and Storage

Do not expose your battery pack or cordless Enerpac

pump to water or rain, or allow them to get wet. This

could damage the pump and battery pack. Do not

use oil or solvents to clean or lubricate your battery

pack. The plastic casing will become brittle and

crack, causing a risk of injury.

Store battery packs at room temperature away from

moisture. Do not store in damp locations where

corrosion of terminals may occur. As with other battery

pack types, permanent capacity loss can result if the

pack is stored for long periods of time at temperatures

over 120ºF [49ºC]. MILWAUKEE Lithium-Ion battery

packs maintain their charge during storage longer

than other battery pack types. After about six months

of storage, charge the pack as normal.

WARNING: To reduce the risk of injury or

explosion, never burn or incinerate a battery

pack even if it is damaged, dead or completely

discharged. When burned, toxic fumes and materials

are created.

5.5 Battery Pack Disposal

Always dispose of all battery packs according

to federal, state and local regulations. Contact a

recycling agency in your area for recycling locations.

Refer to Section 5.6 for additional information on the

RBRC battery recycling program (USA and Canada

only).

Even discharged battery packs contain some energy.

Before disposing, use electrical tape to cover the

terminals to prevent the battery pack from shorting,

which could cause a ﬁre or explosion.

5.6 RBRC Battery Recycling Program

(USA and Canada only)

The RBRC™ Battery Recycling Seals (see the

Symbology section earlier in this document) on the

28V Li-Ion battery pack indicate that MILWAUKEE

has arranged for the recycling of that battery pack

with the Rechargeable Battery Recycling Corporation

(RBRC). For more information about the RBRC, visit

the RBRC web site at www.rbrc.org.

At the end of the battery pack's useful life, take the

battery pack to an Enerpac Authorized Service Center

for recycling. If desired, the battery pack can also be

taken to a MILWAUKEE Branch Ofﬁce/Service Center

or the participating MILWAUKEE retailer nearest you.

6.0 CHARGER OPERATION

WARNING: Charge only MILWAUKEE 28V

Lithium -Ion battery packs in the MILWAUKEE

Li-Ion Battery Charger. Other types of batteries may

cause personal injury and damage.

6.1 When to Charge the Battery Pack

Remove the battery pack from the pump for

charging when it is convenient for you and your

job. MILWAUKEE Lithium-Ion battery packs do not

develop a “memory” when charged after only a partial

discharge. It is not necessary to run down the battery

pack before placing it on the charger.

• Use the Fuel Gauge to determine when to charge

your Li-Ion battery pack.

• You can “Top-Off” your battery pack’s charge before

starting a big job or long day of use.

• It is only necessary to charge your Li-Ion battery

pack when the pack has reached the end of its

charge. To signal the end of charge, power to the

pump will drop quickly. Charge the battery pack as

needed.

6.2 How to Charge the Battery Pack

Place the battery pack onto the bay by sliding the

pack on from the top of the bay. The red light will

come on, either ﬂashing (pack is too hot or cold) or

continuous (pack is charging).

• The Fuel Gauge lights on the Li-Ion battery pack are

displayed as the pack is being charged, indicating

the relative amount of charge.

• A fully discharged Li-Ion pack with an internal

temperature in the normal range between 32ºF and

150ºF [0ºC to 65ºC] will charge in about an hour.

Heavily cycled battery packs may take longer to

charge completely.

• After charging is complete, the continuous green

light will come on and the Fuel Gauge lights will go

off. The Fuel Gauge button won’t work when the

pack is on the charger.

• The charger will keep the battery pack fully charged

if it is left on the charger.

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Milwaukee V28 User Manual Page 4

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