MasterCraft 058-9321-6 Instruction Manual

INSTRUCTION MANUAL

AIR-POWERED
IMPACT WRENCH

058-9321-6

TABLE OF CONTENTS

2

AIR-POWERED IMPACT WRENCH 058-9321-6

QUICK START GUIDE

TECHNICAL SPECIFICATIONS 3

SAFETY GUIDELINES 4–9

KEY PARTS DIAGRAM 10

IMPORTANT INFORMATION 11–13

OPERATING INSTRUCTIONS 14–15

MAINTENANCE 16–17

TROUBLESHOOTING 18–19

EXPLODED VIEW 20

PARTS LIST 21

WARRANTY 22–23

SAFETY GUIDELINES

4

AIR-POWERED IMPACT WRENCH 058-9321-6

This manual contains information that relates to PROTECTING PERSONAL SAFETY and PREVENTING
EQUIPMENT PROBLEMS. It is very important to read this manual carefully and understand it
thoroughly before using the product. The symbols listed below are used to indicate this information.

Note- The word “Note” is used to inform the
r

eader of something he/she needs to know about

t

he tool.

PERSONAL SAFETY

These precautions are intended for the personal safety of the user and others working with the user.
Please take time to read and understand them.

DANGER!

P

otential hazard that will result in serious

i

njury or loss of life.

WARNING!

P

otential hazard that could result in

s

erious injury or loss of life.

CAUTION!

Potential hazard that may result in
m

oderate injury or damage to equipment.

SAFETY GUIDELINES

5

AIR-POWERED IMPACT WRENCH 058-9321-6

DANGER!

Potential hazard that will result in serious injury or loss of life.

• Keep children away from the work area. Do not allow children to handle
power tools.

• Keep air hose away from heat, oil, and sharp edges. Check air hose for
wear before each use and ensure that all connections are proper.

• A

lways ensure that the workpiece is firmly secured leaving both hands free

to control the tool.

• A

lways ensure that the tool has stopped before putting it down after use, for

safety purpose and to prevent possible damage to the tool/user.

• K

eep proper footing at all times in order to ensure correct balance.

• Do not use oxygen or any other combustible or bottled
g

as to power air-powered tools. Failure to observe this
warning can cause explosion and serious personal injury
or death. Use only the compressed air to power the
air-powered tools.

Use a minimum of 25' (7.6 m) of hose
to connect the tool to the compressor. Failure to comply
will result in serious injury or loss of life.

• Risk of electric shock: Do not expose the compressor to rain. Store it
indoors. Disconnect the compressor from power source before servicing.
Compressor must be grounded. Do not use grounding adaptors.

• Risk of personal injury: Do not direct compressed air from the air hose
towards the user or other personnel.

• Risk of inhallation: Never inhale the air produced by a compressor. Failure to
comply will result in serious injury or loss of life.

Oxygen

Hydrogen

Explosive

Combustible

MC-OM-02

SAFETY GUIDELINES

6

AIR-POWERED IMPACT WRENCH 058-9321-6

• Risk of bursting: Do not adjust the pressure switch or safety valve for any
reason. They have been preset at the factory for this compressor’s maximum
pressure. Tampering with the pressure switch or the safety valve may cause
personal injury or property damage.

• Risk of burns: The pump and the manifold generate high temperatures. In
order to avoid burns or other injuries, do not touch the pump, the manifold,
or the transfer tube while the compressor is running. Allow the parts to cool
down before handling or servicing. Keep children away from the compressor
at all times.

• Risk of bursting: Make sure the regulator is adjusted so
that the compressor outlet pressure is set lower than the
maximum operating pressure of the tool. Before starting
the compressor, pull the ring on the safety valve to make
sure that the valve moves freely. Drain water from tank
after each use. Do not weld or repair tank. Relieve all
pressure in the hose before removing or attaching
accessories.

MC-OM-22

SAFETY GUIDELINES

7

AIR-POWERED IMPACT WRENCH 058-9321-6

WARNING!

Potential hazard that could result in serious injury or loss of life.

• Do not allow inexperienced or untrained individuals to operate the
Air-powered Impact Wrench.

• A

lways ensure that the accessories such as impact sockets are specially

d

esigned for use with the tool. Also ensure they are secured and correctly

fastened before connecting the tool to the air supply.

• D

o not use the Air-powered Impact Wrench for any task other than that

w

hich it is designed to perform.

• D

o not use Air-powered Impact Wrench unless you have been instructed on

i

ts use. Only a qualified person should use the tool.

• P

ull the pressure safety valve ring of the compressor everyday in order to

ensure that the valve is functioning properly.

• L

ocate the compressor in a well-ventilated area for cooling, and a minimum

of 12" (31 cm) away from the nearest wall.

• P

rotect the air hose and the power cord from damage and puncture. Inspect

t

hem for weak or worn spots every week, and replace them if necessary.

• A

lways wear hearing protection when using an air compressor. Failure to do

so may result in hearing loss.

• D

o not carry the compressor while it is running.

• D

o not operate the compressor if it is not in a stable position.

• D

o not operate the compressor on a rooftop or in an elevated position that

could allow the unit to fall or be tipped over.