Matco Tools RL900A User manual

1 RL900A 05/30/03
RL900A
Medium Barrel
Air Hammer
• Operating Instructions
• Warning Information
• Parts Breakdown
SPECIFICATIONS
Blows Per Minute . 3,200 BPM min.
Bore Diameter. . . . . . . . . . . . . 3/4"
Piston Stroke . . . . . . . . . . . . 2-5/8"
Air Inlet Thread . . . . . 1/4"-18 NPT
Hose Size. . . . . . . . . . . . . . 3/8" I.D.
Avg. Air Consumption . . . . . 4 CFM
Rec. Air Pressure . . 90 psig (6.2bar)
Sound Level . . . . . . . . . . . 100 dBA
Length . . . . . . . . . . . . . . . . . 9-1/4"
Shipping Weight . . . . . . . 4.82 Lbs.
Some dust created by power sanding, sawing, grinding, drilling, and other
construction activities contains chemicals known to cause cancer, birth
defects or other reproductive harm. Some examples of these chemicals are:
• lead from lead-based paints,
• crystalline silica from bricks and cement
and other masonry products, and
• arsenic and chromium from
chemically-treated lumber.
Your risk from these exposures varies, depending on how often you do this
type of work. To reduce your exposure to these chemicals: work in a well
ventilated area, and work with approved safety equipment, such as those
dust masks that are specially designed to filter out microscopic particles.
ALWAYS READ
INSTRUCTIONS
BEFORE USING
POWER TOOLS
ALWAYS WEAR
SAFETY GOGGLES
WEAR HEARING
PROTECTION
AVOID
PROLONGED
EXPOSURE TO
VIBRATION

WARNING - READ AND UNDERSTAND ALL INSTRUCTIONS!
FAILURE TO FOLLOW ALL INSTRUCTIONS LISTED BELOW MAY RESULT
IN SERIOUS PERSONAL INJURY
SAVE THESE INSTRUCTIONS
2 RL900A 05/30/03
This Instruction Manual Contains
Important Safety Information.
READ THIS INSTRUCTION MANUAL
CAREFULLY AND UNDERSTAND ALL
INFORMATION BEFORE OPERATING THIS
TOOL.
• Always operate, inspect and maintain
this tool in accordance with American
National Standards Institute Safety
Code of Portable Air Tools (ANSI
B186.1) and any other applicable
safety codes and regulations.
• For safety, top performance and
maximum durability of parts, operate
this tool at 90 psig 6.2 bar max air
pressure with 3/8” diameter air
supply hose.
• Always wear impact-resistant eye and
face protection when operating or
performing maintenance on this tool.
Always wear hearing protection when
using this tool.
• High sound levels can cause permanent
hearing loss. Use hearing protection as
recommended by your employer or
OSHA regulation.
• Keep the tool in efficient
operating condition.
• Operators and maintenance personnel
must be physically able to handle the
bulk, weight and power of this tool.
• Air under pressure can cause severe
injury. Never direct air at yourself or
others. Always turn off the air supply,
drain hose of air pressure and detach
tool from air supply before installing,
removing or adjusting any accessory
on this tool, or before performing any
maintenance on this tool. Failure to do
so could result in injury. Whip hoses can
cause serious injury. Always check for
damaged, frayed or loose hoses and fit-
tings, and replace immediately. Do not
use quick detach couplings at tool. See
instructions for correct set-up.
• Air powered tools can vibrate in
use. Vibration, repetitive motions or
uncomfortable positions over extended
periods of time may be harmful to your
hands and arms. Discontinue use of
tool if discomfort, tingling feeling or
pain occurs. Seek medical advice before
resuming use.
• Place the tool on the work before
starting the tool. Do not point or
indulge in any horseplay with this tool.
• Slipping, tripping and/or falling while
operating air tools can be a major
cause of serious injury or death. Be
aware of excess hose left on the
walking or work surface.
• Keep body working stance balanced
and firm. Do not overreach when
operating the tool.
• Anticipate and be alert for sudden
changes in motion during start up and
operation of any power tool.
• Do not carry tool by the hose. Protect
the hose from sharp objects and heat.
• Tool shaft may continue to rotate
briefly after throttle is released. Avoid
direct contact with accessories during
and after use. Gloves will reduce the
risk of cuts or burns.
• Keep away from rotating end of tool.
Do not wear jewelry or loose clothing.
Secure long hair. Scalping can occur
if hair is not kept away from tool and
accessories. Choking can occur if
neckwear is not kept away from tool
and accessories.
• Never use a chisel as a handstruck tool. They are
designed and heat treated to be used only in air
hammers. Select the correct shank and retainer
for the tool.
• Never use dull accessories. Never cool a hot accessory in
water as brittleness and early failure can result.
Accessory breakage or tool damage may result from
prying. Take smaller bites to avoid getting stuck.
• Do not lubricate tools with flammable or volatile
liquids such as kerosene, diesel or jet fuel.
• Don’t force tool beyond its rated capacity.
• Do not remove any labels. Replace any damaged labels.
• Use accessories recommended by Matco Tools.
!

3 RL900A 05/30/03
Nipple
Matco warrants its air tools for a period of 1 year
to the consumer. We will repair any air tool covered
under this warranty which proves to be defective
in material or workmanship during the warranty
period. In order to have your tool repaired, return
the tool to any Matco Authorized Warranty Center,
freight prepaid. Please include a copy of your proof
of purchase and a brief description of the problem.
The tool will be inspected and if any part or
parts are found to be defective in material or
workmanship, they will be repaired free of
charge and the repaired tool will be returned
to you freight prepaid.
This warranty gives you specific rights. You may also
have other rights which vary from state to state.
The foregoing obligation is Matco’s sole liability
under this or any implied warranty and under no
circumstances shall Matco be liable for any incidental
or consequential damages.
Note: Some states do not allow the exclusion or
limitation of incidental or consequential damages
so the above limitation or exclusion may not apply
to you.
WARRANTY
AIR SUPPLY...
Tools of this class operate on a wide range of air
pressures. It is recommended that air pressure of
these tools measures 90 PSI at the tool while running
free. Higher pressure (over 90 psig; 6.2 bar) raises
performance beyond the rated capacity of the tool
which will shorten the tool’s life because of faster
wear and could cause injury.
Always use clean, dry air. Dust, corrosive fumes
and/or water in the air line will cause damage to
the tool. Drain the air tank daily. Clean the air
inlet filter screen on at least a weekly schedule.
The recommended hookup procedure can be
viewed in the above figure.
The air inlet used for connecting air supply has
standard 1/4" NPT. Line pressure should be
increased to compensate for unusually long air
hoses (over 25 feet). Minimum hose diameter
should be 3/8" I.D. and fittings should have the
same inside dimensions and be tightly secured.
LUBRICATION...
Lubricate the air tool daily with quality air tool oil.
If no air line oiler is used, run a teaspoon of oil
through the tool. The oil can be squirted into
the tool air inlet or into the hose at the nearest
connection to the air supply, then run the tool.
OPERATION...
Always place a chisel in the hammer and hold the
tool down to the work before operating. Damage
to the tool or the retainer may result if this
precaution is not followed.
The chisel retainers are not designed for complete
safety against accidental release of cutters or
hammers. To avoid injury, the throttle must never
be depressed unless the chisel is held firmly against
the work place. When tool is not in actual use, the
chisel must be removed. During operation, safety
goggles should always be used to guard against
flying rust and chips. When using tool, regulate the
speed so that the chisel is not being driven out of
the cylinder. If piston is allowed to strike the cylinder
wall, internal damage will result.
To change chisel, pull back on spring hook and
insert chisel. Release spring hook.
To regulate air, turn air regulator knob out for
maximum air pressure and in for minimum.

4 RL900A 05/30/03
Ref. No. Part No. Description Qty.
1 248001 Housing 1
2 848002 Roll Pin (3 x 18mm) 2
3 848003 Inlet Bushing 1
4 848004 Cap 1
5 848005 O-Ring (4.9 x 2.2mm) 2
6 848006 Regulator 1
7 848007 O-Ring (11 x 2.4mm) 1
8 848008V Valve Stem 1
9 848009 O-Ring (3.8 x 1.9mm) 1
10 848010 O-Ring (3.5 x 1.5mm) 1
11 848011 Valve Bushing 1
Ref. No. Part No. Description Qty.
12 848012 O-Ring (12 x 2mm) 1
13 848013 Spring 1
14 848014 Trigger Button 1
15 848015S Valve Block Assembly 1
19 848017 Valve Disk 1
20 648019 Piston 1
21 648220 Cylinder 1
22 248022 Comfort Grip 1
23 RLCR1 Quick Change Chisel Retainer 1
25 87301 Retainer Spring (optional)
RL900A
Medium Barrel
Air Hammer
23
20
14 13 12 11
25
10 897
4
5
6
3
2
22
1
15
17
21