Central Pneumatic Professional 97512 User manual

CONCRETE “T” NAILER

(3/4” TO 2-1/2”)

ASSEMBLY and OPERATING INSTRUCTIONS

Model

Diagrams within this manual may not be drawn proportionally.

Due to continuing improvements, actual product may differ slightly from the product described herein.

Distributed exclusively by Harbor Freight Tools®.

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our website at: http://www.harborfreight.com

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

or any artwork contained herein may be reproduced in any shape or form without the

express written consent of Harbor Freight Tools.

For technical questions or replacement parts, please call 1-800-444-3353.

97512

90342

Page 2SKU 90342

Specications

Recommended Air Pressure 85 - 115 PSI

Maximum Air Pressure 115 PSI

Air Inlet 1/4” - 18 NPT

Nail Capacity 3/4” to 2-1/2” T Nails

Magazine Capacity 80 (Side Load)

Air Consumption 7.4 CFM

Includes: Coupler Plug, 3 Hex Keys, Tool Oil, OSHA Approved Goggles,

Replacement nails available at Harbor Freight Tools: #90375 - 3/4”, 13G, 2000 Pack;

#90376 - 1”, 13G, 2000 Pack; #90377 - 1-1/2”, 13G, 1000 Pack

Save This Manual

You will need the manual for the safety warnings and precautions, assembly instructions,

operating and maintenance procedures, parts list and diagram. Keep your invoice with this

manual. Write the invoice number on the inside of the front cover. Keep the manual and

invoice in a safe and dry place for future reference.

Safety Warnings and Precautions

WARNING: When using tool, basic safety precautions should always be followed to

reduce the risk of personal injury and damage to equipment.

Read all instructions before using this tool!

Keep work area clean. Cluttered areas invite injuries.

Observe work area conditions. Do not use machines or power tools in damp or wet

locations. Don’t expose to rain. Keep work area well lighted. Do not use electrically

powered tools in the presence of ammable gases or liquids.

Keep children away. Children must never be allowed in the work area. Do not let

them handle machines, tools, extension cords, or air hoses.

Store idle equipment. When not in use, tools must be stored in a dry location to

inhibit rust. Always lock up tools and keep out of reach of children.

Use the right tool for the job. Do not attempt to force a small tool or attachment

to do the work of a larger industrial tool. There are certain applications for which this

tool was designed. It will do the job better and more safely at the rate for which it was

intended. Do not modify this tool and do not use this tool for a purpose for which it

was not intended.

Dress properly. Do not wear loose clothing or jewelry as they can be caught in

moving parts. Protective, electrically non-conductive clothes and non-skid footwear

are recommended when working. Wear restrictive hair covering to contain long hair.

Use eye and ear protection. Always wear ANSI approved impact safety goggles.

Wear a full face shield if you are producing metal lings or wood chips. Wear an ANSI

approved dust mask or respirator when working around metal, wood, and chemical

dusts and mists.

Page 3SKU 90342

Do not overreach. Keep proper footing and balance at all times. Do not reach over

or across running machines or air hoses.

Maintain tools with care. Keep tools clean for better and safer performance. Follow

instructions for lubricating and changing accessories. Inspect tool cords and air hoses

periodically and, if damaged, have them repaired by an authorized technician. The

handle must be kept clean, dry, and free from oil and grease at all times.

Disconnect air supply. Disconnect air hose when not in use.

Remove adjusting keys and wrenches. Check that keys and adjusting wrenches

are removed from the tool or machine work surface before plugging it in.

Avoid unintentional starting. Be sure the switch is in the Off position when not

in use and before plugging in. Do not carry any tool with your nger on the trigger,

whether it is plugged in or not.

Stay alert. Watch what you are doing, use common sense. Do not operate any tool

when you are tired.

Check for damaged parts. Before using any tool, any part that appears damaged

should be carefully checked to determine that it will operate properly and perform its

intended function. Check for alignment and binding of moving parts; any broken parts

or mounting xtures; and any other condition that may affect proper operation. Any

part that is damaged should be properly repaired or replaced by a qualied technician.

Do not use the tool if any switch does not turn On and Off properly.

Guard against electric shock. Prevent body contact with grounded surfaces such

as pipes, radiators, ranges, and refrigerator enclosures.

Replacement parts and accessories. When servicing, use only identical

replacement parts. Use of any other parts will void the warranty. Only use accessories

intended for use with this tool. Approved accessories are available from Harbor

Freight Tools.

Do not operate tool is under the inuence of alcohol or drugs. Read warning

labels if taking prescription medicine to determine if your judgement or reexes are

impaired while taking drugs. If there is any doubt, do not operate the Concrete Nailer.

Use proper size and type extension cord. If an extension cord is required, it must

be of the proper size and type to supply the correct current to the tool without heating

up. Otherwise, the extension cord could melt and catch re, or cause electrical

damage to the tool. Check your air compressor’s manual for the appropriate size cord.

Maintenance. For your safety, maintenance should be performed regularly by a

qualied technician.

Compressed air only. Never use combustible gases as a power source.

10.

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Page 4SKU 90342

SPECIFIC PRODUCT WARNINGS AND PRECAUTIONS

Important consumer information: This Nailer is equipped with a contact trip

Trigger. This Trigger mechanism is designed primarily for high volume work where

exact placement of the nail is not critical. By holding the Trigger, the Nailer will re

each time the nosepiece contacts the wood. A characteristic of this design is the

tendency to “double re” if used to shoot one Nail at a time. This can be caused

by the recoil produced and lingering nger pressure on the Trigger. To avoid this

occurrence, hold the Nailer rmly against the wood and give the Trigger one quick

squeeze. A single shot Nailer, equipped with a sequential trip Trigger, may be

considered if high volume, rapid nailing is not required. Failure to understand its

operating characteristics, or careless use, can result in property damage and/or

serious personal injury.

Maintain a safe working environment. Keep the work area well lit. Make sure there

is adequate surrounding workspace. Always keep the work area free of obstructions,

grease, oil, trash, and other debris.

Maintain labels and nameplates on the Nailer. These carry important information.

If unreadable or missing, contact Harbor Freight Tools for a replacement.

Use only clean, dry, regulated, compressed air at between 85 to 115 PSI. Never

use oxygen, carbon dioxide, combustible gases, or any other bottled gas as a power

source for this tool.

When connecting to the air supply: Prior to each use, if an automatic oiler is

not used, add two drops of air tool oil into the Coupler Plug (part #73) of the Nailer.

Attach the air compressor hose to the Air Plug. Turn on the air compressor, and set

the regulator to the recommended 85 to 115 PSI for this tool.

Disconnect the air supply hose to the Nailer before loading the nails to prevent

a nail from being accidentally red during connection. The Nailer’s driving

mechanism may cycle when the tool is connected to the air supply hose. When not in

use, remove all nails from the Fixed Magazine (part #49) of the Nailer.

To prevent accidental ring, do not load nails with the Trigger (part #37)

depressed.

Remove your nger from the Trigger (part #37) when not driving nails. Never

carry the tool with your nger on the Trigger. The tool will re a nail every time the

nosepiece contacts the wood.

Always assume the Nailer contains nails. Keep the tool pointed away from

yourself and others at all times.

Never use the Nailer if the Trigger (part #37), or Safety Bracket (part #41), is

damaged. Do not alter or remove the Safety Bracket. Make daily inspections for free

movement of the Trigger and Safety Bracket mechanism.

Grip the Nailer rmly with both hands to maintain control, while allowing the

tool to slightly recoil away from the workpiece as a nail is driven.

10.

11.

Page 5SKU 90342

Do not drive nails on top of other nails, or with the tool at too steep an angle.

The nails can ricochet, causing personal injury.

Do not drive nails close to the edge of a workpiece. The workpiece is likely to

split, allowing the nail to y free or ricochet and cause personal injury.

Always keep hands and feet away from nose of the Nailer.

Make sure all adjusting Wrenches (part #96) are removed from the Nailer before

using.

Only use an air supply hose that is rated for a minimum working pressure of

150 PSI or greater.

Always disconnect the Nailer from its air supply hose before performing

inspection or maintenance on the tool, clearing a jammed nail, leaving the

work area, moving the tool to another location, or handing the tool to an other

person.

After disconnecting the Nailer from the compressor, there still could be enough air

pressure to re the Nailer.

Note: Performance of the compressor (if powered by line voltage) may vary

depending on variations in local line voltage. Extension cord usage may also affect

tool performance.

Warning: The warnings, cautions, and instructions discussed in this instruction

manual cannot cover all possible conditions and situations that may occur. It must

be understood by the operator that common sense and caution are factors which

cannot be built into this product, but must be supplied by the operator.

Unpacking

When unpacking, check to make sure the parts listed on page 10 are included. If any parts

are missing or broken, please call Harbor Freight Tools at the number on the cover of this

manual as soon as possible.

12.

13.

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Page 6SKU 90342

Air Connection Setup

Concrete

Nailer

1/4”-18 NPT

For best service you should incorporate an oiler, regulator, and inline lter, as shown in the

diagram above. Hoses, couplers, oilers, regulators, and lters are all available at Harbor

Freight Tools.

You will need to prepare a 1/4” coupler plug (included) to connect to the air inlet on

the Concrete Nailer. First, wrap the 1/4” coupler plug (included) with pipe thread seal

tape before threading it into the Air Inlet (#54). Connect the 3/8” ID Air Source Hose

(not included) from the Air Compressor to the Concrete Nailer.

Note: If you are not using an automatic oiler system, before operation, add a few

drops of Pneumatic Tool Oil to the airline connection. Add a few drops more after

each hour of continual use.

Set the air pressure on your compressor to a level between 85-115 PSI. Do not

exceed the maximum air pressure of 115 PSI.

Check the air connection for leaks.

Page 7SKU 90342

Operation

Loading Nails

Refer to FIGURES 1 and 2 on pages 5 and 6.

Nailer Specic Warnings!

Warning! Disconnect the Nailer from the air compressor whenever loading or

servicing. After disconnecting the Nailer from the air compressor, there could

still be enough air pressure to re the Nailer. After the air compressor hose is

disconnected, always re the trigger repeatedly to make sure all of the air is

expended.

Never point the tool at bystanders or pets when it is loaded with nails.

Do not press the Trigger (#37) when you are loading nails.

If nails become jammed, always disconnect from the air source before attempting to

clear jams.

Refer to FIGURE 2 on page 6.

Push on the Lock (#66) with your thumb while simultaneously pulling back on the

Movable Magazine (#53).

Place a full clip of the specied type and size nails sideways, with the point facing

down, on the Fixed Magazine (#49). Do not exceed the 80 nail maximum capacity.

Push the Movable Magazine (#53) forward until it locks into place.

Air Inlet (#54)

Movable Magazine (#53)

Lock (#66)

Trigger (#37)

FIGURE 1

Coupler Plug

Threads On

Here

Adjust Exhaust Cover (#4) so it

sends the exhaust away from

you.

Coupler

Plug (#73)

Page 8SKU 90342

Movable Magazine (#53)

Operating the Concrete Nailer

1. With the tool disconnected from the air supply, load nails as explained on page 5. Then,

connect the Concrete Nailer to the air supply.

2. Before using the Nailer each time, check the driving depth by ring a nail into a scrap

piece of wood. If the nail is driven too far, or not far enough, adjust the air ow on your

air compressor to provide more or less air pressure. Never exceed the maximum air

pressure of 115 PSI.

3. To place and shoot a single nail, grip the nailer without touching the trigger, and

position the nosepiece on the wood. With your free hand, press down on the top

of the nailer. Give the trigger a quick pull and release. For rapid operation, grasp

the nailer rmly and pull the trigger. Push the nailer quickly and rmly against the

wood. The nailer will re as soon as the safety is depressed. Move quickly to the next

nailing location, and repeat. These techniques require some familiarity and practice.

Remember that recoil, holding the trigger too long, or striking a previously driven

nail or hidden object, may cause double-ring. This is not a mechanical defect.

4. When you are nished, disconnect the Concrete Nailer from the air supply.

Warning! After disconnecting the Nailer from the air compressor, there could

still be enough air pressure to re the Nailer. After the air compressor hose is

disconnected, always re the trigger repeatedly to make sure all of the air is

expended.

Clearing Jams

1. Disconnect tool from air hose. Always re the trigger repeatedly to make sure all of the

air is expended from the Nailer.

2. If a nail is jammed in the discharge area, simply remove it with pliers.

3. If a nail is jammed in the magazine, push on the Lock (#66) with your thumb while

simultaneously pulling back on the Movable Magazine (#53). Remove the jammed

nails and push the Movable Magazine (#53) forward until it locks into place (Figure 2).

Operation (continued)

Lock (#66)

FIGURE 2

Page 9SKU 90342

Troubleshooting

Warning! If you detect any air leaks, power loss, the Nailer skips driving, drives too deep, or

not deep enough, take the Nailer to an qualied service technician for repair.

Note: Have the following problems repaired by a qualied service technician.

Problem: Air leaking at trigger valve area.

Probable Cause: Damaged 0-rings in trigger valve housing.

Solution: Replace 0-rings. Then recheck contact safety trip mechanism.

Problem: Air leaking between housing and nose.

Probable Cause: Loose screws in housing, damaged 0-rings or bumper.

Solution: Tighten screws or replace 0-rings or bumper.

Problem: Air leaking between housing and cap.

Probable Cause: Loose screws or damaged gasket.

Solution: Tighten Screws or replace gasket.

Problem: Runs slowly or has power loss.

Probable Cause: Nailer insufciently oiled, broken spring in cylinder cap, exhaust part

in cap is blocked.

Solution: Lubricate as instructed, install new spring, Replace damaged internal parts.

Problem: Nailer skips driving nails.

Probable Cause: Worn or dirty bumper, damaged pusher spring, inadequate air ow,

worn or dry 0-ring on piston, damaged 0-ring on trigger valve, cap gasket leaking.

Solution: Replace bumper or pusher spring, clean bumper and drive channel, check

ttings, replace or lubricate 0-rings, replace gasket.

Problem: Nails are jammed in Nailer nose.

Probable Cause: Guide on driver is worn. Wrong size or damaged nails, loose

magazine or nose screws, damaged driver.

Solution: Replace guide, use recommended, undamaged nails, tighten screws,

replace driver.

Problem: Nail will not drive down tight.

Probable Cause: Defective nail tip causing slippage, power loss, slow cycling and

power loss.

Solution: Replace nails, adjust air pressure, check spring under cap for broken coils or

reduce length, check if cap in exhaust port is restricted.

Problem: Driving nail too deeply.

Probable Cause: Worn bumper or piston spacer.

Solution: Replace either or both parts.

Warning! Disconnect the Nailer from the air compressor whenever loading or servicing.

After disconnecting the Nailer from the air compressor always re the trigger repeatedly

to make sure all of the air is expended.

Maintenance

Warning! Always disconnect the tool from the air compressor and then empty the magazine

of nails before attempting to inspect or perform maintenance to the Nailer.

1. Inspect all of the nuts and screws and make sure they are securely fastened.

2. Periodically lubricate the driving mechanism and magazine with a light oil (included). Wipe

down with a clean cloth. Never use gasoline or ammable solvents to clean the tool.

3. Inspect your air compressor according to manufacturer’s instructions.

Warning! If you detect any air leaks, power loss, the Nailer skips driving, drives too deep, or

not deep enough, take the Nailer to a qualied service technician.

Page 10SKU 90342

NOTE: Some parts are listed and shown for illustration purposes only and are not available

individually as replacement parts.

PLEASE READ THE FOLLOWING CAREFULLY

THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL

AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY

REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO

MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS

OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT

ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED

TECHNICIANSAND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISKAND LIABILITYARISING OUT OF

HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING

OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.

Parts List

Part Description

1 Screw

2 Spring Washer

3 Bushing

4 Exhaust Cover

5 Washer

6 Screw

7 Spring Washer

8 Cylinder Cap

9 Gasket

10 0-ring

11 0-ring

12 Spring

13 Valve

14 Cylinder Seal

15 0-ring

16 Valve Seal

17 Seal

18 Washer

19 0-ring

20 Piston Assembly

21 0-ring

22 Cylinder

23 Sealed Belt

24 Bumper

25 Body

Part Description

26 0-ring

27 Base

28 Screw

29 Plate

30 Front Plate

31 Screw

32 Locking Washer

33 Pin

34 Safe Guider

35 Pin

36 Trigger Spring

37 Trigger

38 Guide Body

39 Screw

40 Pin

41 Safety Bracket

42 Seal

43 Trigger Valve Head

44 Spring

45 0-ring

46 Trigger Valve Stem

47 0-ring

48 Trigger Valve Guide

49 Fixed Magazine

50 Rail

Part Description

51 Feeder Shoe

52 Pin

53 Movable Magazine

54 Air Inlet

55 End Cap

56 0-ring

57 Soft Grip Sleeve

58 Nut

59 Screw

60 Spring Washer

61 Screw

62 Support

63 Screw

64 Spring Retainer

65 Nut

66 Lock

67 Torsion Spring

68 Locking Washer

69 Pin

70 Spring

71 Stopped Plate

72 Screw

73 Coupler Plug

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