Mastercraft 5 u.s. gallons (18.9 l) User manual

INSTRUCTION MANUAL

058-9315-2

5 U.S. GALLONS (18.9 L) • 135 PSI (MAX)

AIR COMPRESSOR

Quick Start Guide

If any parts are

missing or damaged,

or if you have any

questions, please call

1-800-689-9928.

Read and understand this instruction manual

thoroughly before using the product. It contains

important information for your safety as well as

operating and maintenance advice.

Keep this instruction manual for future use. Should

this product be passed on to a third party, then this

instruction manual must be included.

5 U.S. GALLONS (18.9 L) • 135 PSI (MAX) AIR COMPRESSOR 058-9315-2

QUICK START GUIDE

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

STEP 1

Set the pressure switch (1) to the OFF position.

page 14, step 1

STEP 2

Turn the air pressure regulator knob (1)

counter-clockwise until pressure drops down to

zero on output gauge. page 14, step 3

MC-589315-01

MC-589315-02

STEP 3

Connect the air hose (1) to the compressor’s

air outlet (2) with the quick connector (3).

page 13, step 5

STEP 4

Close the tank drain valve (1), located on the

bottom of the air tank. page 15, step 7

MC-589315-03

MC-589315-04

STEP 5

Plug in the power cord (1). page 14,

step 4 and page 15, caution

STEP 6

Set the pressure switch (1) to the ON

position. page 15, step 5

MC-589315-05

MC-589315-06

MC-589315-06MC-589315-06MC-589315-06MC-589315-06MC-589315-06MC-589315-06

STEP 7

Turn the air pressure regulator knob (1)

clockwise until desired pressure is reached.

MC-589315-07

MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07MC-589315-07

MC-589315-07

TABLE OF CONTENTS

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

QUICK START GUIDE

TECHNICAL SPECIFICATIONS 3

SAFETY GUIDELINES 4–8

KEY PARTS DIAGRAM 9

IMPORTANT INFORMATION 10–12

ASSEMBLY INSTRUCTIONS 13–14

OPERATING INSTRUCTIONS 15–18

MAINTENANCE 19–21

TROUBLESHOOTING 22–23

EXPLODED VIEW 24

PARTS LIST 25

WARRANTY 26–27

TECHNICAL SPECIFICATIONS

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

*CFM: Cubic feet per minute (The volumetric flow rate of a gas corrected to standardized conditions

of temperature and pressure).

RUNNING HORSEPOWER 1.5

TANK SIZE 5 U.S. gallons

(18.9 L)

AIR DELIVERY (CFM*) @ 40 PSI 4.8

AIR DELIVERY (CFM*) @ 90 PSI 3.5

MAXIMUM PRESSURE (PSI) 135

PUMP DESIGN Oil-less

MOTOR Induction

POWER 120 V, 60 Hz, 12 A

WEIGHT 58 lb 8 oz

(26.5 kg)

POWER CORD SJT 16 AWG / 72"

(1.83 m)

EXTENSION CORD SJT 12 AWG / Maximum 30'

(9.1 m)

SAFETY GUIDELINES

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

Safety guidelines

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

reader of something the user needs to know

about the tool.

SAFETY RECOMMENDATIONS

These precautions are intended for the personal safety of the user and others working with the user.

Failure to follow these instructions may result in a permanent loss of vision, serious personal or even

fatal injury, property damage, and/or tool damage. Please take time to read and understand them.

DANGER!

Potential hazard that will result in serious

injury or loss of life.

WARNING!

Potential hazard that could result in

serious injury or loss of life.

CAUTION!

Potential hazard that may result in

moderate injury or damage to equipment.

SAFETY GUIDELINES

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

DANGER!

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

•Risk of fire or explosion: Do not spray a flammable or combustible liquid or

paint near sparks, flames, pilot lights or in a confined area. The spray area

must be well-ventilated. Keep compressor at least 20’ (6 m) away from

spray area. Do not carry and operate the compressor or any other electrical

device near the spray area. Never smoke when spraying. Use a minimum of

25’

(7.6 m)

of hose to connect a spray gun to the compressor.

•Risk of electric shock: Do not expose to rain. Store the compressor indoors.

Hazardous voltage. Disconnect from power source before servicing.

Compressor must be grounded. Do not use grounding adaptors.

•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

spray gun or tool. Before starting the compressor, pull the ring on the safety

valve to make sure the valve moves freely (see diagram on page 18). Drain

water from tank after each use. Do not weld or repair tank.

•Risk of personal injury: Never spray the compressed air or material at self or

others.

•Risk of bursting: Check the maximum pressure rating in the manual or

identification label. The compressor outlet pressure must be regulated so

that it does not exceed the maximum pressure rating. Relieve all pressure in

the hose before removing or attaching accessories.

•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.

SAFETY GUIDELINES

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

•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 inhalation: Be certain to read all labels when you are spraying paints

or toxic materials, and follow all safety instructions. Use a respirator mask if

there is a chance of inhaling anything you are spraying. Also, NEVER directly

inhale the air produced by a compressor.

•Risk of eye injury: Wear ANSI Z87.1 approved safety goggles when using an

air compressor. Do not point any nozzle or sprayer toward a person or any

part of the body. Serious injury may occur if the spray penetrates the skin.

WARNING!

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

• Pull the pressure safety valve ring every day in order to

ensure that the valve is functioning properly.

SAFETY GUIDELINES

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

• The compressor must be located in a well-ventilated area for cooling, and

must be a minimum of 12” (31 cm) away from the nearest wall.

• Protect the air hose and the power cord from damage and puncture. Inspect

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

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

so may result in hearing loss.

• Do not carry the compressor while it is running.

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

• Do not operate the compressor on a rooftop or an elevated position that

could allow the unit to fall or be tipped over.

• Always replace a damaged gauge before operating the unit again.

• Do not exceed the tool’s maximum working pressure.

• Do not attempt to open the drain valve when there is more than 10 PSI of

air pressure in the tank.

WARNING!

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

SAFETY GUIDELINES

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

Extension cords

As the distance from the supply outlet increases, you must use a heavier gauge extension cord.

Using extension cords with inadequately sized wire causes a serious drop in voltage, resulting in loss

of power and possible product damage. Refer to the table to determine the required minimum wire

size.

Note: It is not recommended to use an extension cord longer than 30'.

Recommended Minimum Wire Gauge for Extension Cords* (120 V)

* Based on limiting the line voltage drop to 5 V at 150% of the rated amperes.

The smaller the gauge number of the wire, the greater the capacity of the cord. For example, a

14-gauge cord can carry a higher current than a 16-gauge cord. When using more than one

extension cord to make up the total length, be sure each cord contains at least the minimum wire

size required.

Guidelines for using extension cords

• Ensure your extension cord is properly wired and in good electrical condition. Always replace a

damaged extension cord or have it repaired by a qualified technician before using it.

• Protect your extension cords from sharp objects, excess heat and damp or wet areas.

AMPERE RATING

CORD SIZE IN AWG (AMERICAN WIRE GAUGE)

Extension cord length in feet

0–516

5.1–816

8.1–12 14

12.1–15 12

15.1–20 10

KEY PARTS DIAGRAM

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

No. Description No. Description

1 Tank pressure gauge 7 Air compressor pump

2 Air pressure regulator 8 Electric motor

3 Air outlet 9 Power cord

4 Outlet pressure gauge 10 Air tank

5 Pressure switch 11 Air tank drain valve

6 Safety valve

MC-589315-09

IMPORTANT INFORMATION

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

This Mastercraft®Air Compressor is ideal for a wide range of applications from fastening to greasing

and engine cleaning. The 5 U.S. gallon

(18.9 L)

design provides optimum pressure. It features a 1.5

HP induction motor for quiet operation and a cast-iron, oil-less pump for long-lasting, reliable

performance.

The procedures described in this manual are solely for this 5 U.S. gallon

(18.9 L)

air compressor at a

maximum of P=135 PSI. The device has been designed and constructed for household use only.

Compatible compressor and air tool -proper usage and operation

Always ensure the use of appropriately matched air tools with your Mastercraft®Air Compressor. Be

sure that the air compressor being used can supply the appropriate volume, pressure and delivery

rate of air to the tool(s) without running continuously. Using tools or combinations of tools that,

together or separately, require more than the air compressor can deliver will void the air compressor

guarantee/warranty.

Air compressor components

Electric motor

The motor is used to power the pump. It is equipped with a thermal overload protector. If the motor

overheats for any reason, the thermal overload protector will shut it down in order to prevent the

motor from being damaged.

Air compressor pump

The pump compresses the air and discharges it into the tank via the piston that moves up and down

in the cylinder.

WARNING!

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

This air compressor is not designed for continuous operation or unlimited,

commercial operations and should be used in dry areas only. Do not exceed the

maximum working time.

IMPORTANT INFORMATION

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

Pressure switch

This switch turns the compressor on and off. It is operated manually and when it is in the ON

position, it allows the motor to start if the pressure in the air tank is below the factory set cut-in

pressure, and allows the motor to stop if the pressure in the air tank reaches the factory set cut-out

pressure. Be sure to set this switch to the OFF position when the compressor is not being used and

before unplugging the compressor.

Safety valve

This valve is used to prevent system failure by draining pressure from the system when it reaches a

preset level if the pressure switch has not shut down the motor. It will pop open automatically, or it

can be activated manually by pulling the ring on the valve.

Air pressure regulator

The regulator is used to adjust the pressure inside the line to the tool that is being used. Turn the

knob clockwise to increase the pressure and counter-clockwise to decrease the pressure.

Tank pressure gauge

The gauge measures the pressure level of the air that is stored in the tank. It cannot be adjusted by

the operator and it does not indicate the pressure inside the line.

Outlet pressure gauge

The gauge measures the regulated outlet pressure.

Air outlet

The outlet is connected to the 1/4”

(6.4 mm)

NPT air hose.

Air tank drain valve

The drain valve is used to remove moisture from the air tank after the compressor is shut off.

Air tank

The tank is where the compressed air is stored.

Power cord

This compressor should be used on a nominal 120 V grounded circuit. Use a power cord that is

equipped with a grounding plug. Verify that the compressor is plugged into an outlet that has the

same configuration as the plug. Do not use an adaptor with this compressor.

IMPORTANT INFORMATION

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

Inflation/Recreation

Air Tool

Operates Tool

Continuously

Operates Tool

Intermittently Not Recommended

Finishing Nailer (16-gauge)

Framing Nailer

Flooring Nailer

Die Grinder

Angle Grinder

Air Ratchet

Cut-Off Tool

DIY Paint Sprayer

Brad Nailer (18-gauge)

3-in-1 Brad/Finishing/Stapler

Roofing Nailer

Impact Wrench

Drills

Hammer

Chisel

Shears

Sander

Polisher

Grease/Caulking Gun

Tool Compatibility Chart

ASSEMBLY INSTRUCTIONS

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

Assembly

• Unpack the air compressor unit. Inspect the unit for damage. If the unit has been damaged,

contact the retailer immediately.

• Check the air compressor’s identification label to ensure that you have purchased the intended

model and that it has the required pressure rating for its intended use.

Packaging contents

Positioning of the air compressor

1. Position the air compressor (1) near an

electrical outlet (2)

(fig A)

2. The compressor must be at least 12"

(31 cm)

from any wall (3) or obstruction,

in a clean, well-ventilated area to ensure

sufficient air flow and cooling

(fig A).

3. Place the air compressor on the floor or

a hard, level surface. The air compressor

must be level to ensure proper drainage

of the moisture in the tank.

Description Qty Illustration

Air compressor 1

Owner’s manual 1

Air filter 1

MC-589315-10

ﬁg A 2

ASSEMBLY INSTRUCTIONS

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

Air filter assembly

4. Screw the air filter (1) onto the pump

(fig B).

Connect air hose to compressor

5. Connect the air hose (1) to the

compressor’s air outlet (2) with the quick

connector (3)

(fig C).

Note: Attach air hose and accessories (not

provided). Apply plumber’s tape on all the

threads to prevent air leakage.

MC-589315-11

ﬁg B

MC-589315-12

ﬁg C

OPERATING INSTRUCTIONS

5 U.S. GALLONS (18.9 L) •135 PSI (MAX) AIR COMPRESSOR 058-9315-2

Break-in procedure

1. Set the pressure switch (1) to the OFF

position

(fig D)

2. Open the tank drain valve (1) by turning

it counter-clockwise to permit the air to

escape and prevent air pressure build-up

in the air tank during the break-in period

(fig E)

3. Turn the air pressure regulator knob (1)

counter-clockwise until it stops

(fig F)

4. Plug in the power cord (1)

(fig G)

Note: For best performance and reliable

starting, the air compressor should be plugged

into a dedicated circuit, as close as possible to

the fuse box or circuit breaker.

Note: A circuit breaker is recommended. If the

air compressor is connected to a circuit

protected by a fuse, use dual element time

delay fuses (type “T” only).

MC-589315-13

ﬁg D

MC-589315-14

ﬁg E

MC-589315-15

ﬁg F

MC-589315-16

ﬁg G

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