Power first 8096844 User manual

1/2" Air
Ratchet Wrench
OWNER'S MANUAL
Please read and understand all instructions before use.
Retain this manual for future reference.
8096844

SPECIFICATIONS
Square drive 1/2” (13 mm)
Free speed 160 RPM
Max. torque 50ft/lb (68N.m)
Air consumption 4cfm (114 l/min)
Operating pressure 90 PSI (6.3bar)
Air inlet size 1/4”
Air hose 3/8” I.D.
Weight 2.4 lb (1.1kgs)
A weighted sound pressure
level
92.1 dB(A)
Sound power level 103.1 dB(A)
Vibration in the handle 0.8m/s2
GENERAL SAFETY RULES
WARNING! Read and understand all instructions. Failure
to follow all instructions listed below, may result in electric
shock, fire and/or serious personal injury.
1. Always wear safety goggles or glasses.
2. Always ensure machine is switched off before connecting to air
supply.
3. Disconnect any machine from the air supply before changing
For any technical questions, please call 1-800-665-8685
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1/2" Air
Ratchet Wrench
8096844

accessories, and before servicing any type of machine.
4. Always keep your air tool clean and lubricated. Daily lubrication is
essential to avoid internal corrosion and possible failure.
5. Do not wear watches, rings bracelets or loose clothing when
using air tools.
6. Using only light weight coil hoses from a tool to the wall or
compressor coupling. Do not fit quick change couplings onto the
machine as vibration can cause the coupling to fail.
7. Do not overload the machine. Allow the tool to operate at its
optimum speed for maximum efficiency.
8. Do not increase the air pressure above the manufacturers
recommended level, as excessive overload can cause the
machine casing to split. Also this creates excessive wear on moving
parts and possible failure.
9. In the interests of safety and possible damage to the machine/
operator, always ensure that the machine has stopped before
putting it down after use.
10. Always ensure that the workpiece is firmly secured leaving both
hands free to control the machine.
11. Always ensure that the accessories are designed for use with the
machine. Also correctly and securely fasten before connecting the
machine to the air supply.
OPERATING INSTRUCTION
DESCRIPTION
Steel angle head & light aluminum body, Ergonomic grip, Front exhaust,
Most popular ratchet in the automotive industry like body shop, removing or
replacing radiators, spark plugs, air conditioning,water pumps. Also compact
and powerful for running small bolts in tight places.
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AIR SUPPLY
1. Ensure air valve (or trigger) is in the “OFF” position before
connecting to the air supply.
2. You will require an air pressure of 90 PSI, and an air flow
according to specifications.
3. WARNING! Ensure the air supply is clean and does not exceed 90
PSI while operating the tool. Too high an air pressure and unclean
air will shorten the product life due to excessive wear, and may be
dangerous causing damage or personal injury.
4. Drain the air tank daily. Water in the air line will damage the tool.
5. Clean air inlet filter weekly.
6. Line pressure should be increased to compensate for unusually
long air hoses (over 8 metres). The minimum hose diameter should
be 3/8” I.D. and fittings must have the same inside dimensions.
7. Keep hose away from heat, oil and sharp edges. Check hose for
wear, and make certain that all connections are secure.
LUBRICATION
An automatic in-line filter-regulator-lubricator is recommended (Fig.1)
as it increases tool life and keeps the tool in sustained operation.
The in-line lubricator should be regularly checked and filled with
air tool oil.
Proper adjustment of the in-line lubricator is performed by placing
a sheet of paper next to the exhaust ports and holding the throttle open
approximately 30 seconds. The lubricator is properly set when a light stain of
oil collects on the paper. Excessive amounts of oil should
be avoided.
In the event that it becomes necessary to store the tool for an extended
period of time (overnight, and/or weekends.), it should receive a generous
amount of lubrication at that time. The tool should be run for approximately
30 seconds to ensure oil has been evenly distributed throughout the tool. The
tool should be stored in a clean and dry environment.
• It is most important that the tool be properly lubricated by keeping
the air line lubricator filled and correctly adjusted. Without proper
lubrication the tool will not work properly and parts will wear
prematurely.
• Use the proper lubricant in the air line lubricator. The lubricator should
be of low air flow or changing air flow type, and should be kept filled
to the correct level. Use only recommended lubricants, specially
made for pneumatic applications. Substitutes may harm the rubber
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compounds in the tool's O-rings and other rubber parts.
IMPORTANT!
If a filter/regulator/lubricator is not installed on the air system,
air operated tools should be lubricated at least once a day or after
2 hours work with 2 to 6 drops of oil, depending on the work environment,
directly through the male fitting in the tool housing.
CONNECTING AND OPERATION
WARNING: Ensure you read, understand and apply safety
instructions before use.
1. Only use sockets which are specifically designed for use with a
ratchet wrench.
2. Connect the tool to the air hose.
3. Place the socket over the subject nut and depress the trigger to
operate the tool.
4. To change direction push the button at the top of the handle.
Direction of: "R" for reverse, and "F" for forward
5. The flow of air may be regulated by adjusting flow valve at the
base of the handle.
6. Ensure the air supply is clean and does not exceed 90 PSI while
operating the wrench. Too high an air pressure and unclean air
will shorten the ratchet's life due to excessive wear, and may be
dangerous -causing damage or personal injury.
7. Keep children away from tools and workplaces when using tools.
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Fig. 1

DO NOT use any additional force upon the wrench in order to remove a
nut.
DO NOT allow wrench to free run for an extended period of time as this
will shorten its life.
MAINTENANCE
WARNING: Disconnect wrench from air supply before
changing accessories, servicing or performing maintenance.
Replace or repair damaged parts. Use genuine parts only,
Non-authorised parts may be dangerous.
1. Lubricate the air wrench daily with a few drops of air tool oil
dripped into the air inlet
2. Check and top up the gearbox by removing grub screw located
under the impact head
3. Clean the wrench after use. DO NOT use worn, or damaged sockets.
4. Loss of power or erratic action may be due to the following:
a) Excessive drain on the air line. Moisture or restriction in the air pipe.
Incorrect size or type of hose connectors. To remedy check the air
supply.
b) Grit or gum deposits in the wrench may also reduce performance.
If your model has an air strainer (located in the area of the air inlet),
remove the strainer and clean it.
5. Ensure the air supply is clean and does not exceed 90psi while
operating the wrench. Too high an air pressure and unclean air will
shorten the product life due to excessive wear, and may be dangerous
causing damage or personal injury.
6. Take children away from the tools and workplaces.
7. When not in use, disconnect from air supply, clean tool and store
in a safe, dry, childproof location.
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TROUBLE SHOOTING
The following form lists the common operating system with problem and
solutions. Please read the form carefully and follow it.
WARNING: If any of the following symptoms appears during
your operating, stop using the tool immediately, or serious
personal injury could result. Only a qualified persons
or an authorized service center can perform repairs or
replacement of tool.
Disconnect tool from air supply before attempting repair or adjustment. When
replacing O-rings or cylinder, lubricate with air tool oil before assembly.
PROBLEMS POSSIBLE CAUSES REMEDIES
Tool runs at
normal speed
but loses
under load
• Motor parts worn.
• Cam clutch worn
or sticking due to
lack of lubricant.
• Lubricating clutch housing.
• Check for excess clutch oil.
• Clutch cases need only be half
full. Overfilling can cause drag
on high speed clutch parts, ie. a
typical oiled/lubricated wrench
requires 1⁄2 ounce of oil.
GREASE LUBRICATED NOTE: Heat
usually indicates insufficient grease
in chamber. Severe operating
conditions may require more
frequent lubrication.
Tool runs
slowly. Air
flows slightly
from exhaust
• Motor parts
jammed with dirt
particles
• Power regulator in
closed position
• Air flow blocked
by dirt.
• Check air inlet filter for blockage
• Pour air tool lubricating oil into air
inlet as per instructions.
• Operate tool in short bursts
quickly reversing rotation back
and forth where applicable.
• Repeat above as needed.
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Tools will not
run. Air flows
freely from
exhaust
• One or more motor
vanes stuck due to
material build up.
• Pour air tool lubricating tool into air
inlet
• Operate tool in short bursts of
forward and/or reverse rotation
where applicable.
• Tap motor housing gently with plastic
mallet.
• Disconnect supply. Free motor by
rotating drive shank manually where
applicable
Tool will not
shut off
• ‘O’ rings throttle
valve dislodged
from seat inlet
valve.
• Replace ‘O’ ring or return .
Note: Repairs should be carried out by a qualified person.
DIAGRAM
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PARTS LIST
No. Description No. Description
1. Valve plug 22. Idler gear plate
2. O-ring 23. Clamp nut
3. Spring 24. Ratchet housing
4. O-ring 25. Needle bearing
5. Valve bushing 26. Bearing shell
6. Air Inlet 27. Crank shaft
7. Roll Pin 28. Drive bushing
8. Trigger 29. Ratchet yoke
9. Housing 30. Spring
10. Rear bearing 31. Lock pin
11. Rear plate 32. Reverse button
12. Rotor blade 33. Washer
13. Rotor 34. Pin
14. Cylinder pin 35. Ratchet pawl
15. Cylinder 36. Ratchet anvil
16. Front plate 37. Steel ball
17. Bearing 38. Spring
18. Washer 39. Spring
19. Thread ring gear 40. Steel ball
20. Idler gear 41. Thrush washer
21. Idler gear pin 42. Retainer ring
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