RIDGID Caulking Gun R8804 User Guide

OPERATOR’S MANUAL  
18 VOLT/24 VOLT MaxSelect™  
ADHESIVE/CAULK GUN  
R8804  
BATTERIES AND CHARGERS  
SOLD SEPARATELY  
NEW LITHIUM-ION BATTERY PACKS  
MUST BE CHARGED BEFORE FIRST USE  
Your adhesive/caulk gun has been engineered and manufactured to our high standards for dependability, ease of operation,  
and operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.  
WARNING:  
To reduce the risk of injury, the user must read and understand the operator’s manual before using this product.  
Thank you for buying a RIDGID product.  
SAVE THIS MANUAL FOR FUTURE REFERENCE  
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GENERAL SAFETY RULES  
hard hat, or hearing protection used for appropriate condi-  
tions will reduce personal injuries.  
WARNING!  
Read all instructions. Failure to follow all instruc-  
tions listed below may result in electric shock, fire  
and/or serious injury. The term “power tool” in all  
of the warnings listed below refers to your mains-  
operated (corded) power tool or battery-operated  
(cordless) power tool.  
Avoid accidental starting. Ensure the switch is in the off-  
position before plugging in. Carrying power tools with your  
finger on the switch or plugging in power tools that have the  
switch on invites accidents.  
Remove any adjusting key or wrench before turning the  
power tool on. A wrench or a key left attached to a rotating  
part of the power tool may result in personal injury.  
SAVE THESE INSTRUCTIONS  
WORK AREA  
Do not overreach. Keep proper footing and balance at  
all times. This enables better control of the power tool in  
unexpected situations.  
Keep work area clean and well lit. Cluttered or dark areas  
invite accidents.  
Dress properly. Do not wear loose clothing or jewelry.  
Keep your hair, clothing and gloves away from moving  
parts. Loose clothes, jewelry or long hair can be caught in  
moving parts.  
Do not operate power tools in explosive atmospheres,  
such as in the presence of flammable liquids, gases or  
dust. Power tools create sparks which may ignite the dust  
or fumes.  
If devices are provided for the connection of dust extrac-  
tion and collection facilities, ensure these are connected  
and properly used. Use of these devices can reduce dust-  
related hazards.  
Keep children and bystanders away while operating a  
power tool. Distractions can cause you to lose control.  
ELECTRICAL SAFETY  
Do not wear loose clothing or jewelry. Contain long hair.  
Loose clothes, jewelry, or long hair can be drawn into air  
vents.  
Power tool plugs must match the outlet. Never modify  
the plug in any way. Do not use any adapter plugs with  
earthed (grounded) power tools. Unmodified plugs and  
matching outlets will reduce risk of electric shock.  
Do not use on a ladder or unstable support. Stable footing  
on a solid surface enables better control of the power tool  
in unexpected situations.  
Avoid body contact with earthed or grounded surfaces  
such as pipes, radiators, ranges and refrigerators. There  
is an increased risk of electric shock if your body is earthed  
or grounded.  
POWER TOOL USE AND CARE  
Do not force the power tool. Use the correct power tool  
for your application. The correct power tool will do the  
job better and safer at the rate for which it was designed.  
Do not expose power tools to rain or wet conditions.  
Water entering a power tool will increase the risk of electric  
shock.  
Do not use the power tool if the switch does not turn it  
on and off. Any power tool that cannot be controlled with  
the switch is dangerous and must be repaired.  
Do not abuse the cord. Never use the cord for carrying,  
pulling or unplugging the power tool. Keep cord away  
from heat, oil, sharp edges or moving parts. Damaged  
or entangled cords increase the risk of electric shock.  
Disconnect the plug from the power source and/or the  
battery pack from the power tool before making any  
adjustments, changing accessories, or storing power  
tools. Such preventive safety measures reduce the risk of  
starting the power tool accidentally.  
When operating a power tool outdoors, use an exten-  
sion cord suitable for outdoor use. Use of a cord suitable  
for outdoor use reduces the risk of electric shock.  
Use battery only with charger listed.  
Store idle power tools out of the reach of children and  
do not allow persons unfamiliar with the power tool  
or these instructions to operate the power tool. Power  
tools are dangerous in the hands of untrained users.  
MODEL BATTERY PACK  
CHARGER  
(18V) 140276003,  
140276004 (R84009)  
(24V) 140315001  
(R85009)  
R8804  
(18V) 130254007  
(24V) 130377001  
Maintain power tools. Check for misalignment or bind-  
ing of moving parts, breakage of parts and any other  
condition that may affect the power tool’s operation.  
If damaged, have the power tool repaired before use.  
Many accidents are caused by poorly maintained power  
tools.  
(R85008)  
PERSONAL SAFETY  
Stay alert, watch what you are doing and use common  
sense when operating a power tool. Do not use a power  
tool while you are tired or under the influence of drugs,  
alcohol or medication. A moment of inattention while oper-  
ating power tools may result in serious personal injury.  
Keep cutting tools sharp and clean. Properly maintained  
cutting tools with sharp cutting edges are less likely to bind  
and are easier to control.  
Use safety equipment. Always wear eye protection.  
Safety equipment such as dust mask, non-skid safety shoes,  
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GENERAL SAFETY RULES  
Use the power tool, accessories and tool bits etc., in  
accordance with these instructions and in the manner  
intended for the particular type of power tool, taking  
into account the working conditions and the work to  
be performed. Use of the power tool for operations dif-  
ferent from those intended could result in a hazardous  
situation.  
connection from one terminal to another. Shorting the  
battery terminals together may cause burns or a fire.  
Under abusive conditions, liquid may be ejected from  
the battery, avoid contact. If contact accidentally  
occurs, flush with water. If liquid contacts eyes, addi-  
tionally seek medical help. Liquid ejected from the battery  
may cause irritation or burns.  
BATTERY TOOL USE AND CARE  
Ensure the switch is in the off position before inserting  
battery pack. Inserting the battery pack into power tools  
that have the switch on invites accidents.  
SERVICE  
Have your power tool serviced by a qualified repair  
person using only identical replacement parts. This will  
ensure that the safety of the power tool is maintained.  
Recharge only with the charger specified by the manu-  
facturer. A charger that is suitable for one type of battery  
pack may create a risk of fire when used with another bat-  
tery pack.  
WARNING!  
To reduce the risk of injury, user must read instruc-  
tion manual.  
Use power tools only with specifically designated bat-  
tery packs. Use of any other battery packs may create a  
risk of injury and fire.  
When servicing a power tool, use only identical replace-  
ment parts. Follow instructions in the Maintenance sec-  
tion of this manual. Use of unauthorized parts or failure to  
follow Maintenance instructions may create a risk of shock  
or injury.  
When battery pack is not in use, keep it away from  
other metal objects like paper clips, coins, keys, nails,  
screws, or other small metal objects that can make a  
SPECIFIC SAFETY RULES  
Do not crush, drop, or damage battery pack. Do not  
use a battery pack or charger that has been dropped  
or received a sharp blow. A damaged battery is subject  
to explosion. Properly dispose of a dropped or damaged  
battery immediately.  
Know your power tool. Read operator’s manual care-  
fully. Learn its applications and limitations, as well as  
the specific potential hazards related to this tool. Fol-  
lowing this rule will reduce the risk of electric shock, fire,  
or serious injury.  
Batteries vent hydrogen gas and can explode in the  
presence of a source of ignition, such as a pilot light.  
To reduce the risk of serious personal injury, never use  
any cordless product in the presence of open flame. An  
exploded battery can propel debris and chemicals. If  
exposed, flush with water immediately.  
Always wear safety glasses with side shields. Everyday  
glasses have only impact resistant lenses. They are NOT  
safety glasses. Following this rule will reduce the risk of  
eye injury.  
Protect your hearing. Wear hearing protection during  
extended periods of operation. Following this rule will  
reduce the risk of serious personal injury.  
Do not charge battery tool in a damp or wet location.  
Following this rule will reduce the risk of electric shock.  
Keep hands out of the plunger and plunger rod area of  
the caulk gun. Fingers can be pinched between the tube  
holder and the plunger.  
For best results, your battery tool should be charged  
in a location where the temperature is more than 50°F  
but less than 100°F. Do not store outside or in vehicles.  
Maintain labels and nameplates. These carry important  
information. If unreadable or missing, contact an authorized  
service center for a replacement.  
Under extreme usage or temperature conditions, bat-  
tery leakage may occur. If liquid comes in contact with  
your skin, wash immediately with soap and water, then  
neutralize with lemon juice or vinegar. If liquid gets  
into your eyes, flush them with clean water for at least  
10 minutes, then seek immediate medical attention.  
Following this rule will reduce the risk of serious personal  
injury.  
Battery tools do not have to be plugged into an electrical  
outlet; therefore, they are always in operating condition.  
Be aware of possible hazards when not using your bat-  
tery tool or when changing accessories. Following this  
rule will reduce the risk of electric shock, fire, or serious  
personal injury.  
If the power supply cord is damaged, it must be replaced  
onlybythemanufacturerorbyanauthorizedservicecenter  
to avoid risk.  
Do not place battery tools or their batteries near fire  
or heat. This will reduce the risk of explosion and possibly  
injury.  
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SAFETY RULES FOR CHARGER  
contain chemicals that can damage, weaken, or destroy  
plastic.  
WARNING!  
READ AND UNDERSTAND ALL INSTRUCTIONS.  
Failure to follow all instructions listed below, may  
result in electric shock, fire and/or serious personal  
injury.  
An extension cord should not be used unless  
absolutely necessary. Use of improper extension  
cord could result in a risk of fire and electric shock. If  
extension cord must be used, make sure:  
a. That pins on plug of extension cord are the  
same number, size and shape as those of  
plug on charger.  
Before using battery charger, read all instructions and  
cautionary markings in this manual, on battery charger,  
battery, and product using battery to prevent misuse of the  
products and possible injury or damage.  
b. That extension cord is properly wired and in  
good electrical condition; and  
c. That wire size is large enough for AC ampere  
rating of charger as specified below:  
CAUTION:  
Cord Length (Feet)  
Cord Size (AWG)  
25´  
16  
50´  
16  
100´  
16  
To reduce the risk of electric shock or damage to  
the charger and battery, charge only lithium-ion or  
nickel-cadmium rechargeable batteries as specifically  
designated on your charger. Other types of batteries  
may burst, causing personal injury or damage.  
NOTE: AWG = American Wire Gauge  
Do not operate charger with a damaged cord or plug,  
which could cause shorting and electric shock. If damaged,  
have the charger replaced by an authorized serviceman.  
Do not use charger outdoors or expose to wet or damp  
conditions. Water entering charger will increase the risk of  
electric shock.  
Do not operate charger if it has received a sharp blow,  
been dropped, or otherwise damaged in any way.  
Take it to an authorized serviceman for electrical check to  
determine if the charger is in good working order.  
Use of an attachment not recommended or sold by the  
battery charger manufacturer may result in a risk of fire,  
electric shock, or injury to persons. Following this rule will  
reduce the risk of electric shock, fire, or serious personal  
injury.  
Do not disassemble charger. Take it to an authorized  
serviceman when service or repair is required. Incorrect  
reassembly may result in a risk of electric shock or fire.  
Unplug charger from outlet before attempting  
any maintenance or cleaning to reduce the risk of  
electric shock.  
Do not abuse cord or charger. Never use the cord to carry  
the charger. Do not pull the charger cord rather than the plug  
when disconnecting from receptacle. Damage to the cord  
or charger could occur and create an electric shock hazard.  
Replace damaged cords immediately.  
Disconnect charger from the power supply when not in  
use. This will reduce the risk of electric shock or damage  
to the charger if metal items should fall into the opening. It  
also will help prevent damage to the charger during a power  
surge.  
Make sure cord is located so that it will not be stepped  
on, tripped over, come in contact with sharp edges  
or moving parts or otherwise subjected to damage or  
stress. This will reduce the risk of accidental falls, which  
could cause injury, and damage to the cord, which could  
result in electric shock.  
Risk of electric shock. Do not touch uninsulated portion  
of output connector or uninsulated battery terminal.  
Save these instructions. Refer to them frequently and use  
them to instruct others who may use this tool. If you loan  
someone this tool, loan them these instructions also to  
prevent misuse of the product and possible injury.  
Keep cord and charger from heat to prevent  
damage to housing or internal parts.  
Do not let gasoline, oils, petroleum-based prod-  
ucts, etc. come in contact with plastic parts. They  
IMPORTANT SAFETY INSTRUCTIONS  
1. SAVE THESE INSTRUCTIONS  
This manual contains important safety and operating instructions for battery chargers (18V) 140276003, 140276004  
(R84009), and (24V) 140315001 (R85009).  
2. Before using battery charger, read all instructions and cautionary markings on battery charger, battery, and product  
using battery.  
3. CAUTION: To reduce the risk of injury, charge only RIDGID lithium-ion batteries on the RIDGID lithium ion charger  
and RIDGID nickel-cadmium batteries on RIDGID nickel-cadmium chargers. These batteries and chargers are not  
interchangeable. Other types of batteries may burst, causing personal injury or damage.  
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SYMBOLS  
Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpretation  
of these symbols will allow you to operate the tool better and safer.  
SYMBOL  
NAME  
DESIGNATION/EXPLANATION  
V
Volts  
Voltage  
Current  
A
Hz  
W
Amperes  
Hertz  
Frequency (cycles per second)  
Power  
Watt  
min  
Minutes  
Time  
Alternating Current  
Direct Current  
Type of current  
Type or a characteristic of current  
Rotational speed, at no load  
Double-insulated construction  
Revolutions, strokes, surface speed, orbits etc., per minute  
n
o
No Load Speed  
Class II Construction  
Per Minute  
.../min  
Wet Conditions Alert  
Do not expose to rain or use in damp locations.  
To reduce the risk of injury, user must read and understand  
operator’s manual before using this product.  
Read The Operator’s Manual  
Always wear safety goggles or safety glasses with side shields and,  
as necessary, a full face shield when operating this product.  
Eye Protection  
Safety Alert  
Pinch Point  
Precautions that involve your safety.  
To reduce the risk of injury or damage, avoid contact with any  
pinch point.  
To reduce the risk of injury or damage, avoid contact with any hot  
surface.  
Hot Surface  
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SYMBOLS  
The following signal words and meanings are intended to explain the levels of risk associated with this product.  
SYMBOL  
SIGNAL  
MEANING  
Indicates an imminently hazardous situation, which, if not avoided, will result  
in death or serious injury.  
DANGER:  
Indicates a potentially hazardous situation, which, if not avoided, could result  
in death or serious injury.  
WARNING:  
CAUTION:  
CAUTION:  
Indicates a potentially hazardous situation, which, if not avoided, may result in  
minor or moderate injury.  
(Without Safety Alert Symbol) Indicates a situation that may result in property  
damage.  
SERVICE  
WARNING:  
Servicing requires extreme care and knowledge and should  
be performed only by a qualified service technician. For  
service we suggest you return the product to your nearest  
AUTHORIZED SERVICE CENTER for repair. When servic-  
ing, use only identical replacement parts.  
To avoid serious personal injury, do not attempt  
to use this product until you read thoroughly and  
understand completely the operator’s manual. If  
you do not understand the warnings and instruc-  
tions in the operator’s manual, do not use this  
product. Call RIDGID customer service for assis-  
tance.  
WARNING:  
The operation of any power tool can result in foreign objects being thrown into your eyes, which can result  
in severe eye damage. Before beginning power tool operation, always wear safety goggles or safety glasses  
with side shields and, when needed, a full face shield. We recommend Wide Vision Safety Mask for use  
over eyeglasses or standard safety glasses with side shields. Always use eye protection which is marked  
to comply with ANSI Z87.1.  
SAVE THESE INSTRUCTIONS  
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FEATURES  
PRODUCT SPECIFICATIONS  
Motor.........................................................................................................................................................18 Volt/24 Volt DC  
Charger Input .......................................................................................................................................120 V, 60 Hz, AC only  
Capacity ............................................................................................................................................10 oz. and 30 oz. tubes  
PLUNGER  
ROD HANDLE  
PISTON  
PLUNGER ROD  
PLUNGER ROD  
VARIABLE SPEED  
RELEASE  
SELECTOR  
TRIGGER  
SWITCH  
TRIGGER  
CARRIAGE  
FRAME  
PUNCTURE  
TOOL  
SWITCH  
LOCK  
JOIST  
FOLLOWER  
Fig. 1  
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FEATURES  
KNOW YOUR ADHESIVE/CAULK GUN  
PLUNGER ROD  
The forward movement of the plunger rod applies pressure  
to the bottom of an open caulk tube, causing caulk to be dis-  
pensed.  
See Figure 1.  
The safe use of this product requires an understanding of the  
information on the tool and in this operator’s manual as well  
as a knowledge of the project you are attempting. Before use  
of this product, familiarize yourself with all operating features  
and safety rules.  
PLUNGER ROD HANDLE  
The plunger rod handle is used to retract the plunger rod, allow-  
ing caulk to be loaded. The plunger rod can only be moved while  
the plunger rod release trigger is depressed.  
AUTO SHUT-OFF  
When the caulk tube is empty, the auto shut-off feature will  
cause the motor to shut off.  
PLUNGER ROD RELEASE TRIGGER  
Depressing the plunger rod release trigger allows you to move  
the plunger rod handle.  
AUTOMATIC PRESSURE RELIEF  
The adhesive/caulk gun features automatic pressure relief  
to help stop the flow of material as soon as the trigger is  
released.  
PUNCTURE TOOL  
For your convenience, a puncture tool is provided for breaking  
the seal on a new tube of caulk. When using a partially filled  
caulk tube, the puncture tool can be used to remove any hard-  
ened material from the tube’s nozzle.  
CARRIAGE FRAME  
The carriage frame will support a 30 oz. quart-size tube or a  
standard 10 oz. tube of caulk, depending on your application.  
SWITCH LOCK  
The switch lock prevents depression of the switch trigger.  
ELECTRONIC OVERLOAD PROTECTION  
An electronic overload protection feature causes the motor to  
automatically shut down if too much pressure is exerted on  
the caulk tube.  
SWITCH TRIGGER  
Depressing the switch trigger starts the forward motion of the  
plunger rod. The amount of pressure applied to the switch  
trigger determines the speed of material delivery up to the  
maximum speed set by the variable speed selector.  
JOIST FOLLOWER  
Use the joist follower when applying adhesive to floor joists  
prior to installing sub-flooring or on wall joists before installing  
sheetrock.  
VARIABLE SPEED SELECTOR  
The plunger speed can be adjusted with the variable speed  
selector. This allows you to adjust the material feed rate to suit  
your particular application.  
ASSEMBLY  
UNPACKING  
This product has been shipped completely assembled.  
WARNING:  
If any parts are damaged or missing do not operate  
this tool until the parts are replaced. Failure to heed  
this warning could result in serious personal injury.  
Carefully remove the tool and any accessories from the  
box. Make sure that all items listed in the packing list are  
included.  
Inspect the tool carefully to make sure no breakage or dam-  
age occurred during shipping.  
WARNING:  
Do not attempt to modify this tool or create acces-  
sories not recommended for use with this tool. Any  
such alteration or modification is misuse and could  
result in a hazardous condition leading to possible  
serious personal injury.  
Do not discard the packing material until you have carefully  
inspected and satisfactorily operated the tool.  
If any parts are damaged or missing, please call  
1-866-539-1710 for assistance.  
PACKING LIST  
Adhesive/Caulk Gun  
Joist Follower  
WARNING:  
To prevent accidental starting that could cause seri-  
ous personal injury, always remove the battery pack  
from the tool when assembling parts.  
Operator’s Manual  
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OPERATION  
THE FOLLOWING INSTRUCTIONS ARE  
FOR RIDGID 24V LITHIUM-ION BATTERY  
PACKS AND THE 24V RIDGID LITHIUM-ION  
CHARGER.  
WARNING:  
Do not allow familiarity with tools to make you  
careless. Remember that a careless fraction of a  
second is sufficient to inflict severe injury.  
CHARGING THE BATTERY PACK  
NOTE: New 24 Volt lithium-ion battery packs will not  
work without first being charged. Before first time use,  
charge the battery pack to activate it.  
WARNING:  
Always wear safety goggles or safety glasses with  
side shields when operating tools. Failure to do so  
could result in objects being thrown into your eyes  
resulting in possible serious injury.  
It is not necessary to drain the battery pack completely  
before recharging. Lithium-ion battery packs have no  
“memory” and can be recharged at any time. It is therefore  
possible to charge the battery pack before extended usage  
even if the battery pack is not completely drained of charge.  
Use the charge level indicator to determine the amount of  
charge in the battery pack.  
WARNING:  
Do not use any attachments or accessories not  
recommended by the manufacturer of this tool.  
The use of attachments or accessories not rec-  
ommended can result in serious personal injury.  
Lithium-ion batteries deliver fade free power for their entire  
run time. 24 Volt lithium-ion tools will not gradually lose  
power due to decreasing battery charge. Instead, power from  
the battery pack will drop from full to zero once the full charge  
has been drained from the battery. Once this happens, the  
tool’s power drops from full to zero, and recharging of the  
battery is required.  
APPLICATIONS  
You may use this tool for the purposes listed below:  
Applying adhesive  
Sealing cracks to keep your home’s conditioned air inside  
while keeping unconditioned air outside, increasing your  
home’s energy efficiency  
CHARGE  
LEVEL INDICATOR  
Filling holes and cracks before painting  
24vXLi  
Creating a moisture barrier around areas that could be  
damaged by water  
Sealing cracks to keep insects out of your home  
?
CAUTION:  
If at any point during the charging process none  
of the LEDs are lit, remove the battery pack from  
the charger to avoid damaging the product. DO  
NOT insert another battery. Return the charger and  
battery to your nearest service center for service  
or replacement.  
CAUTION:  
Charge in a well ventilated area. Do not block  
charger vents. Keep them clear to allow proper  
ventilation.  
NOTE: Charge only RIDGID lithium-ion batteries on the  
RIDGID lithium-ion charger and RIDGID nickel-cadmium  
batteries on RIDGID nickel-cadmium chargers. These  
batteries and chargers are not interchangeable.  
Refer to the General Safety Rules for compatibility.  
Fig. 2  
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OPERATION  
FULL  
3/4  
TO CHARGE  
CAPACITY  
CAPACITY  
A fully discharged battery pack with a temperature between  
32°F (0°C) and 150°F (65°C) will charge in about an hour.  
Charge the 24 Volt lithium-ion battery pack only with the  
charger provided.  
1/2  
CAPACITY  
Connect the charger to a power supply.  
NOTE: If needed, the charger can operate with most  
generators and inverters rated at 300 Watts or higher.  
Attach the battery pack to the charger by aligning the  
raised ribs on the battery pack with the grooves in the  
charger, then slide the battery pack onto the charger.  
See Figure 2.  
Do not place the charger in an area of extreme heat or  
cold. It will work best at normal room temperature.  
After charging is complete, the continuous green light  
will come on and the charge level indicator lights on the  
battery will go off.  
24vXL  
i
?
CHARGE  
LEVEL  
INDICATOR  
BUTTON  
1/4  
CHARGE  
LEVEL INDICATOR  
CAPACITY  
Fig. 3  
The charger will keep the battery pack fully charged if left  
on the charger.  
GREEN LED  
RED LED  
CHARGING  
INDICATOR  
CHARGE LEVEL INDICATOR  
See Figure 3.  
The charge level indicator shows that the battery is charged  
at 1/4, 1/2, 3/4, or full capacity. To display the amount of  
charge left in the battery, press and hold the charge level  
indicator button.  
FULL  
INDICATOR  
EVALUATE  
INDICATOR  
NOTE: When the battery pack contains less than 10%  
charge, the 1/4 charge level indicator will flash.  
CHARGING A HOT BATTERY PACK  
If the battery pack is above normal temperature range, the  
red LED will begin flashing and the green LED will be off.  
When the battery pack cools down to approximately 150°F  
(65°C), the charger will automatically begin fast charge mode.  
DEFECTIVE  
INDICATOR  
NOTE: Refer to CHARGING THE BATTERY PACK for  
normal recharging of batteries. If the charger does not charge  
the battery pack under normal circumstances, return both  
the battery pack and charger to your nearest repair center  
for electrical check. For the location of your nearest repair  
center, please call 1-866-539-1710.  
Fig. 4  
CHARGING A COOL BATTERY PACK  
If the battery pack is below normal temperature range, the  
red LED will begin flashing and the green LED will be off.  
When the battery warms to a temperature of more than 14°F  
(-10°C), the charger will automatically begin charge mode.  
COLD WEATHER OPERATION  
The lithium-ion battery pack can be used in temperatures  
down to -4°F. When the battery pack is very cold, it may  
“buzz” for the first minute of use to warm itself up. Put  
the battery pack on a tool and use the tool in a light duty  
application. After about a minute, the pack will have warmed  
itself up and begin operating normally.  
11  
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OPERATION  
LED FUNCTION OF RIDGID 24V LITHIUM-ION CHARGER  
See Figure 4.  
LED  
INDICATOR  
BATTERY  
PACK  
RED  
LED  
GREEN  
LED  
ACTION  
Charging Fast charging  
ON  
OFF  
Charges in 1 hour  
Charger pre-charges battery until normal voltage  
is reached, then begins fast charge mode. May  
take longer than 1 hour to fully charge.  
Deeply  
Charging  
ON  
OFF  
Discharged  
Maintenance  
charging  
Fast charging is complete  
Charger maintains charge mode  
Full  
OFF  
ON  
Hot battery  
Evaluate  
When battery pack reaches cooled temperature,  
charger begins fast charge mode  
Flashing OFF  
Flashing OFF  
pack  
Cold battery  
Whenbatterypackreacheswarmedtemperature,  
charger begins fast charge mode  
Evaluate  
pack  
Defective Defective  
Flashing Flashing Battery pack or charger is defective  
• If defective, try to repeat the conditions a second time by removing and reinstalling the battery  
pack. If the LED status repeats a second time, try charging a different battery.  
• If a different battery charges normally, dispose of the defective pack (see Maintenance section).  
• If a different battery also indicates “Defective,” the charger may be defective.  
THE FOLLOWING INSTRUCTIONS ARE FOR RIDGID NICKEL-CADMIUM BATTERY PACKS AND  
CHARGERS.  
Battery packs for this tool are shipped in a low charge  
condition to prevent possible problems. Therefore, you  
should charge the pack until the light on the front of the  
charger changes from flashing green to continuous green.  
When the batteries become fully charged, unplug the  
charger from the power supply and remove the battery  
pack.  
CHARGING A HOT BATTERY PACK  
When using the tool continuously, the batteries in the battery  
pack will become hot. You should let a hot battery pack  
cool down for approximately 30 minutes before attempting  
to recharge. When the battery pack becomes discharged  
and is hot, the green LED will be off and the red LED will  
begin flashing.  
When the battery pack cools down to approximately 104°F  
(40°C), the charger will automatically begin fast charge  
mode.  
NOTE: Batteries will not reach full charge the first time they  
are charged. Allow several cycles (operation followed by  
recharging) for them to become fully charged. This is normal  
for nickel-cadmium batteries.  
TO CHARGE  
Charge the battery pack only with the charger provided.  
Make sure the power supply is normal household voltage,  
120 volts, 60 Hz, AC only.  
Connect the charger to a power supply.  
Attach the battery pack to the charger by aligning the  
raised ribs on the battery pack with the grooves in the  
charger, then slide the battery pack onto the charger.  
See Figure 5.  
The battery pack will become slightly warm to the touch  
while charging. This is normal and does not indicate a  
problem.  
Do not place the charger in an area of extreme heat or  
cold. It will work best at normal room temperature.  
For average charge times, refer to the chart on the  
following page.  
CHARGING A COOL BATTERY PACK  
If the battery pack is below normal temperature range, the  
red LED will begin flashing and the green LED will be off.  
When the battery warms to a temperature of more than 41°F  
(5°C), the charger will automatically begin fast charge mode.  
NOTE: Refer to CHARGING THE BATTERY PACK for  
normal recharging of batteries. If the charger does not charge  
your battery pack under normal circumstances, return both  
the battery pack and charger to your nearest repair center  
for electrical check. For the location of your nearest repair  
center, please call 1-866-539-1710.  
12  
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OPERATION  
LED FUNCTION OF RIDGID NICKEL-CADMIUM CHARGERS  
See Figure 5.  
LED  
INDICATOR  
BATTERY  
PACK  
RED  
LED  
GREEN  
LED  
ACTION  
Power  
Without battery pack ON  
OFF  
Ready to charge battery pack  
When battery pack reaches cooled  
temperature, charger begins fast  
charge mode.  
Evaluate  
Evaluate  
Hot battery pack  
Cold battery pack  
Flashing  
OFF  
OFF  
When battery pack reaches warmed  
temperature, charger begins fast  
charge mode.  
Flashing  
Charger pre-charges battery until  
normal voltage is reached, then  
begins fast charge mode.  
Evaluate  
Defective  
Deeply discharged  
Defective  
Flashing  
Flashing  
OFF  
Flashing  
Battery pack or charger is defective  
• If defective, try to repeat the conditions a second time by removing and reinstalling the battery  
pack. If the LED status repeats a second time, try charging a different battery.  
• If a different battery charges normally, dispose of the defective pack (see Maintenance section).  
• If a different battery also indicates “Defective,” the charger may be defective.  
Charging  
Fast charging  
Slow charging  
ON  
Flashing  
ON  
See chart below for charge times  
Fast charging is complete;  
charger maintains charge mode  
Full  
OFF  
BATTERY  
AVERAGE CHARGE TIME  
RED LED  
GREEN LED  
POWER  
INDICATOR  
COMPACT SERIES  
18 min.  
27 min.  
34 min.  
HC  
EVALUATE  
INDICATOR  
HC 2.5  
DEFECTIVE  
INDICATOR  
CHARGING  
INDICATOR  
FULL  
INDICATOR  
Fig. 5  
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OPERATION  
LOCKING THE SWITCH TRIGGER  
See Figure 6.  
The switch trigger of the caulk gun can be locked off using  
the slide switch located below the switch trigger.  
To lock the switch trigger, slide the switch lock up. This  
will prevent the caulk gun switch trigger from being  
depressed.  
To unlock the switch trigger, slide the switch down. This  
will allow the caulk gun switch trigger to be depressed.  
UNLOCK  
STARTING/STOPPING THE CAULK GUN  
See Figure 6.  
SWITCH  
LOCK  
N
Before attempting to start the caulk gun, be sure the switch  
lock is in the unlocked position.  
To turn the caulk gun ON, depress the switch trigger.  
To turn the caulk gun OFF, release the switch trigger.  
INSTALLING BATTERY PACK  
See Figure 7.  
While holding the caulk gun pointed away from you, lock  
the switch trigger by sliding the switch lock up. Place the  
battery pack on the tool. Make sure the latches on each  
side of the battery pack snap into place and the battery  
pack is secured on the tool before beginning operation.  
ON  
OFF  
SWITCH  
TRIGGER  
CAUTION:  
When placing battery pack in the tool, be sure raised  
rib on battery pack aligns with the bottom of the tool  
and latches into place properly. Improper installation  
of the battery pack can cause damage to internal  
components.  
Fig. 6  
REMOVING THE BATTERY PACK  
See Figure 7.  
Lock the switch trigger by sliding the switch lock up.  
Depress the latches on the side of battery pack.  
Remove the battery pack from the tool.  
BATTERY PACK  
LATCHES  
DEPRESS LATCHES TO  
RELEASE BATTERY PACK  
Fig. 7  
14  
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OPERATION  
ADJUSTING THE VARIABLE SPEED  
See Figure 8.  
The trigger pressure, speed selection, material type, tem-  
perature, and nozzle diameter will all affect the material flow  
rate. When using a tube or pack with a smaller diameter  
nozzle, use a slower speed rate or the material could be  
forced around the seal at the rear of the tube.  
LOW SPEED  
Use the variable speed selector knob to set the maximum  
speed rate desired for proper bead width and material  
feed rate.  
VARIABLE SPEED  
SELECTOR  
Change the amount of pressure applied to the switch  
trigger to increase or decrease the speed of material  
delivery up to the maximum speed set by the variable  
speed selector.  
HI SPEED  
Fig. 8  
LOADING CAULK  
See Figures 9 - 10.  
SPOUT  
Lock the switch trigger by sliding switch lock up.  
Using a utility knife, cut off the tip of the spout on a tube  
of caulk. Cut the tip at a 45˚ angle. Remove as little as  
possible, taking into consideration the size of the “bead”  
of caulk you need.  
Check for a second inner seal at the base of the spout. If  
found, insert the puncture tool inside the spout to break  
the seal before using. If using a partially filled tube, use  
the puncture tool to remove any hardened material from  
the tip.  
CARRIAGE  
FRAME  
PUNCTURE  
TOOL  
Fig. 9  
NOTE: An inner seal is usually found only in cardboard  
caulk tubes.  
PLUNGER ROD  
HANDLE  
SPOUT  
CAULK TUBE  
Depress the plunger rod release trigger and pull the  
handle of the plunger rod away from the caulk gun. Con-  
tinue pulling until piston reaches the back of the carriage  
frame.  
2
Load the caulk tube into the carriage frame, making sure  
4
3
it is well seated at both ends.  
ELECTRONIC OVERLOAD PROTECTION  
1
The caulk gun is protected by an electronic overload protec-  
tion feature. If too much pressure is exerted on the tube,  
the motor will shut down. This helps to prevent damage  
to the tool and the caulk tube. If the motor shuts off, make  
sure that:  
PLUNGER  
ROD  
Nozzle tip is cut  
Fig. 10  
Inner seal in the caulk tube is broken  
Hardened material is removed from the nozzle  
Caulk tube is not damaged or frozen  
Plunger rod is free of caulk/adhesive materials  
Release the trigger and wait for 3 to 5 seconds to allow the  
electronics to reset. If the motor again shuts off, move the  
variable speed selector to the middle position and press the  
trigger again. If the motor continues to shut off, try another  
tube of material or take the tool to an authorized service  
center.  
15  
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OPERATION  
INSTALLING THE JOIST FOLLOWER  
RAISED  
NOTCHES  
See Figure 11.  
JOIST  
FOLLOWER  
Hold and lightly squeeze the open end of the joist follower  
in one hand.  
Insert the closed end of the joist follower into the opening  
located beneath the end of the carriage frame. Make sure  
it is completely seated to the raised notches on the joist  
follower.  
Release the open end of the joist follower.  
When finished, squeeze the open end of the joist follower  
and pull to remove.  
TO INSTALL  
TO REMOVE  
Fig. 11  
WARNING:  
Battery tools are always in operating condition.  
Therefore, switch should always be locked when  
not in use or carrying at your side.  
ADHESIVE BEAD  
APPLYING ADHESIVE WITH THE JOIST  
FOLLOWER  
See Figure 12.  
Use the joist follower to put a straight center bead of adhesive  
on wood surfaces between 1-1/4 in. and 2-5/8 in. wide.  
Install the joist follower as previously described.  
Prepare the surface by removing any dust, dirt, or remnants  
of old adhesive. Make sure the area is clean and dry.  
JOIST  
FOLLOWER  
Set the speed of the caulk gun to match your application  
needs, using just enough adhesive to do the job. Experi-  
ment in an out-of-the-way area to find the best speed  
and trigger pressure to use to deliver the adhesive bead  
size you want.  
Hold the gun at a slight angle.  
Squeeze the trigger on the caulk gun, allowing the adhe-  
sive to extrude from the tube tip.  
Fig. 12  
NOTE: If the bead of adhesive is too narrow, re-cut the  
nozzle to provide a larger opening.  
Carefully move the caulk gun at an even pace along the  
surface.  
The motor will shut off automatically when an adhesive  
tube becomes empty. Depress the plunger rod release  
trigger, pull the plunger rod back, and replace the tube  
as necessary.  
To end the adhesive bead, release the switch trigger.  
16  
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OPERATION  
APPLYING CAULK  
See Figure 13.  
CAULK BEAD  
Prepare the surface by removing any dust, dirt, or remnants  
of old caulk. Make sure the area is clean and dry.  
Set the speed of the caulk gun to match your application  
needs. Experiment in an out-of-the-way area to find the  
best speed and trigger pressure to use to deliver the caulk  
bead size you want.  
Hold the gun at a slight angle. If filling a crack, insert the  
spout into the crack, if possible; otherwise, run the caulk  
gun along the surface.  
Squeeze the trigger on the caulk gun and move the caulk  
gun at an even pace along the surface.  
NOTE: If the bead of caulk is too narrow, re-cut the nozzle  
to provide a larger opening. However, it is better to apply  
a thin bead of caulk and add a little more if necessary than  
to apply too much and attempt to remove the excess.  
To end the caulk bead, release the switch trigger.  
For a finished appearance and to help the caulk adhere  
to application surfaces, draw a moistened finger or other  
“smoothing tool” along the caulk bead after applying.  
Use a damp towel or rag to clean off any excess caulk.  
Fig. 13  
17  
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MAINTENANCE  
and attempt to replace the batteries. Handling of these  
batteries, especially when wearing rings and jewelry, could  
result in a serious burn.  
WARNING:  
When servicing use only identical RIDGID replace-  
ment parts. Use of any other parts may create a  
hazard or cause product damage.  
To obtain the longest possible battery life, we suggest the  
following:  
For lithium-ion batteries:  
Remove the battery pack from the charger once it is fully  
WARNING:  
charged and ready for use.  
Always wear safety goggles or safety glasses with  
side shields during power tool operation or when  
blowing dust. If operation is dusty, also wear a  
dust mask.  
For battery pack storage longer than 30 days:  
Store the battery pack where the temperature is below  
80°F and away from moisture.  
Store battery packs in a 30%-50% charged condition.  
Every six months of storage, charge the pack as  
normal.  
For nickel-cadmium batteries:  
WARNING:  
To avoid serious personal injury, always remove  
the battery pack from the tool when cleaning or  
performing any maintenance.  
Remove the battery pack from the charger once it is fully  
charged and ready for use.  
For battery pack storage longer than 30 days:  
GENERAL MAINTENANCE  
Store the battery pack where the temperature is below  
Avoid using solvents when cleaning plastic parts. Most  
plastics are susceptible to damage from various types of  
commercial solvents and may be damaged by their use. Use  
clean cloths to remove dirt, dust, oil, grease, etc.  
80°F.  
Store battery packs in a “discharged” condition.  
BATTERY PACK REMOVAL AND  
PREPARATION FOR RECYCLING  
To preserve natural resources, please  
recycle or dispose of batteries properly.  
WARNING:  
Do not at any time let brake fluids, gasoline, petro-  
leum-based products, penetrating oils, etc., come  
in contact with plastic parts. Chemicals can dam-  
age, weaken or destroy plastic which may result  
in serious personal injury.  
This product uses lithium-ion or nickel-cad-  
mium batteries. Local, state or federal laws  
may prohibit disposal of nickel-cadmium  
batteries in ordinary trash.  
Li - Ion  
Consult your local waste authority for infor-  
mation regarding available recycling and/or  
disposal options.  
To work properly, the plunger rod of the tool must remain  
clean and free of all caulk and adhesive material. If material  
does get on the plunger rod mechanism, clean the mate-  
rial off according to the directions of the caulk or adhesive  
manufacturer.  
WARNING:  
When the tool is shut off by the electronic overload protection  
system, always wait for 3 to 5 seconds before depressing  
the trigger for restart. Frequently depressing and releasing  
the trigger under these circumstances may cause interior  
damage to the caulk gun.  
Upon removal, cover the battery pack’s terminals  
with heavy-duty adhesive tape. Do not attempt to  
destroy or disassemble battery pack or remove  
any of its components. Lithium-ion and nickel-  
cadmium batteries must be recycled or disposed  
of properly. Also, never touch both terminals with  
metal objects and/or body parts as short circuit  
may result. Keep away from children. Failure to  
comply with these warnings could result in fire  
and/or serious injury.  
Only the parts shown on the parts list are intended to be  
repaired or replaced by the customer. All other parts should  
be replaced at a RIDGID authorized service center.  
BATTERIES  
This tool will accept 24V lithium-ion batteries or 18V nickel  
cadmium batteries. Length of service from each charging  
will depend on the type of work you are doing.  
The batteries in this tool have been designed to provide  
maximum trouble-free life. However, like all batteries, they  
will eventually wear out. Do not disassemble battery pack  
18  
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WARRANTY  
RIDGID® HAND HELD AND STATIONARY POWER TOOL  
3 YEAR LIMITED SERVICE WARRANTY  
Proof of purchase must be presented when requesting war-  
ranty service.  
WHAT IS NOT COVERED  
This warranty applies only to the original purchaser at retail  
and may not be transferred. This warranty only covers  
defects arising under normal usage and does not cover any  
malfunction, failure or defect resulting from misuse, abuse,  
neglect, alteration, modification or repair by other than an  
authorized service center for RIDGID® branded hand held  
and stationary power tools. Consumable accessories pro-  
vided with the tool such as, but not limited to, blades, bits  
and sand paper are not covered.  
Limited to RIDGID® hand held and stationary power tools  
purchased 2/1/04 and after. This product is manufactured  
by One World Technologies, Inc. The trademark is licensed  
from RIDGID, Inc. All warranty communications should be  
directed to One World Technologies, Inc., attn: RIDGID Hand  
Held and Stationary Power Tool Technical Service at (toll  
free) 1-866-539-1710.  
90-DAY SATISFACTION GUARANTEE POLICY  
RIDGID, INC. AND ONE WORLD TECHNOLOGIES, INC.  
MAKE NO WARRANTIES, REPRESENTATIONS OR  
PROMISES AS TO THE QUALITY OR PERFORMANCE  
OF ITS POWER TOOLS OTHER THAN THOSE SPECIFI-  
CALLY STATED IN THIS WARRANTY.  
During the first 90 days after the date of purchase, if you are  
dissatisfied with the performance of this RIDGID® Hand Held  
and Stationary Power Tool for any reason you may return  
the tool to the dealer from which it was purchased for a full  
refund or exchange. To receive a replacement tool you must  
present proof of purchase and return all original equipment  
packaged with the original product. The replacement tool  
will be covered by the limited warranty for the balance of  
the 3 YEAR service warranty period.  
ADDITIONAL LIMITATIONS  
To the extent permitted by applicable law, all implied  
warranties, including warranties of MERCHANTABILITY or  
FITNESS FOR A PARTICULAR PURPOSE, are disclaimed.  
Any implied warranties, including warranties of merchant-  
ability or fitness for a particular purpose, that cannot be  
disclaimed under state law are limited to three years from the  
date of purchase. One World Technologies, Inc. and RIDGID,  
Inc. are not responsible for direct, indirect, incidental or con-  
sequential damages. Some states do not allow limitations on  
how long an implied warranty lasts and/or do not allow the  
exclusion or limitation of incidental or consequential dam-  
ages, so the above limitations may not apply to you. This  
warranty gives you specific legal rights, and you may also  
have other rights which vary from state to state.  
WHAT IS COVERED UNDER THE 3 YEAR  
LIMITED SERVICE WARRANTY  
This warranty on RIDGID® Hand Held and Stationary Power  
Tools covers all defects in workmanship or materials and nor-  
mal wear items such as brushes, chucks, motors, switches,  
cords, gears and even cordless batteries in this RIDGID®  
tool for three years following the purchase date of the tool.  
Warranties for other RIDGID® products may vary.  
HOW TO OBTAIN SERVICE  
To obtain service for this RIDGID® tool you must return it;  
freight prepaid, or take it in to an authorized service cen-  
ter for RIDGID® branded hand held and stationary power  
tools. You may obtain the location of the authorized service  
center nearest you by calling (toll free) 1-866-539-1710 or by  
logging on to the RIDGID® website at www.ridgid.com.  
When requesting warranty service, you must present the  
original dated sales receipt. The authorized service center  
will repair any faulty workmanship, and either repair or  
replace any part covered under the warranty, at our option,  
at no charge to you.  
One World Technologies, Inc.  
P.O. Box 35, Hwy. 8  
Pickens, SC 29671  
19  
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OPERATOR’S MANUAL  
18 VOLT/24 VOLT MaxSelect™  
ADHESIVE/CAULK GUN  
R8804  
Customer Service Information:  
For parts or service, contact your nearest RIDGID authorized service center. Be  
sure to provide all relevant information when you call or visit. For the location of  
the authorized service center nearest you, please call 1-866-539-1710 or visit us  
The model number of this tool is found on a plate attached to the motor housing.  
Please record the serial number in the space provided below. When ordering repair  
parts, always give the following information:  
R8804  
Model No.  
Serial No.  
983000-965  
4-17-06 (REV:00)  
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