GuardAir UTILITY AIRSPADE 4000 User manual

UTILITY AIRSPADE 4000
OPERATOR’S MANUAL
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2
Technical SpecificationsTable of Contents
Technical Specifications 3
General Information 4-5
Safety Instructions 6-7
Assembly Instructions 8
Operating Instructions 9-11
Components & Accessories 12-14
Parts Disassembly and Reassembly 15-16
Products, Parts & Accessories List 17
Limited Warranty 18
UTILITY AIRSPADE® is a registered trademark of Guardair Corporation.
Always wear eye and ear protection when
operating air tools and related equipment.
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3
Technical Specifications
UTILITY AIRSPADE 4000
•
Overall Length 60.5 inches (154 cm)
•Weight 10.4 pounds (4.7 kg)
•
Nozzle Material Brass
•Nozzle Flow Rates 105 cfm (3.0m3/min)
150 cfm (4.2m3/min)*
225 cfm (6.4m3/min)
•Operating Pressure 90 psi (6.2 bar)
•Barrel Fiberglass with Internal Hose
INNER AIR HOSE rated to 75kV per ft. for 5 minutes per SAE 100R7
OUTER AIR HOSE rated to 100kV per ft. for 5 minutes per ASTM F711
•
Inlet 3/4” FNPT
*Standard Model
UTILITY AIRSPADE®is covered by U.S. Patents 5,782,414, D408,830, and D435,207.
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GENERAL INFORMATION
GUARDAIR CORPORATION’S UTILITY AIRSPADE is a compressed air-powered tool
used for excavation of a wide variety of soils. UTILITY AIRSPADE features an ergonomic
pistol grip style handle, an insulated fiberglass barrel, and the patented AIRSPADE
supersonic nozzle. Typically powered by a portable tow-behind air compressor, the
UTILITY AIRSPADE provides a safe, powerful and efficient method of uncovering
underground electric lines, pipes, and tree roots without harm. Capable of excavation
where a shovel or backhoe cannot be used, the UTILITY AIRSPADE can be outfitted with
multiple nozzle sizes and a variety of extension lengths for optimum job performance.
The heart of the UTILITY AIRSPADE is the patented AIRSPADE supersonic nozzle, which
produces a focused “laser-like” jet of air moving at approximately 1,200 mph (1,900
km/hr), or nearly twice the speed of sound. This supersonic air jet penetrates voids in
the soil and expands rapidly, therefore fracturing the soil. Unlike the hard cutting edges
of shovels, picks, blades, or buckets, the air jet is harmless to non-porous items such
as buried pipes, cables, or even tree roots. Excavating with UTILITY AIRSPADE is much
easier and many times faster than hand excavation.
The UTILITY AIRSPADE outperforms “homemade tools” featuring a pipe nipple or a crimped
orifice functioning as the “nozzle.” Air flow from these tools expands to the atmosphere
in an unfocused, complex manner while the supersonic air jet delivers significantly more
kinetic energy and more focused momentum. In practical terms, the UTILITY AIRSPADE
does more work by moving more material, harder material, in a shorter period of time.
4
Gas Line Telecom Line
Power Line Water Lines
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GENERAL INFORMATION
The UTILITY AIRSPADE’s patented supersonic nozzle turns compressed air into a
high-speed, laser-like jet moving at twice the speed of sound – 1,200 mph. All of
the energy and momentum of air moving at approximately Mach 2 is focused into
the soil, dislodging it in a fraction of a second. (Fig. A) The result is faster, safer,
and more efficient soil excavation.
Air exiting from an improperly designed nozzle diffuses outward 3 to 4 times wider
than the air jet from the patented UTILITY AIRSPADE supersonic nozzle. (Fig. B).
5
AIRSPADE PATENTED SUPERSONIC NOZZLE
Fig. BFig. A
It is the responsibility of the worker to:
•Improve safety with proper job planning and knowing the presence, type, and
expected location of underground utilities.
•Use the proper personnel protective equipment when working around buried
electrical lines rated for the expected line voltage. This could include, but is
not limited to, qualified boots and gloves.
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SAFETY INSTRUCTIONS
… Wear appropriate protective work clothing and equipment. Cut and puncture-
resistant gloves, approved safety glasses with side shields and/or face
protection, and approved hearing protective earplugs or earmuffs should be
worn while operating the UTILITY AIRSPADE. Eye protection should comply
with ANSI Z87.1-1989. Ear protection should provide an NRR of at least 20 dB.
… Wear approved, electrically insulated footwear and gloves if working near
underground utility lines.
… Wear approved respiratory protection when working in extremely dusty
conditions.
… Ensure that all personnel near the area being excavated are aware that the
UTILITY AIRSPADE is being used and that they wear appropriate personal
protection as indicated.
… Call 811 at least 2 days prior to digging to have locations of underground
utilities marked.
… Protect surfaces that could be chipped, or damaged by dislodged soil or rock
particles adjacent to the excavation work area by using suitable drop cloths,
screens, or other means.
… Check the UTILITY AIRSPADE for loose or damaged parts prior to use.
Tighten, repair, and/or replace as necessary.
… Inspect hoses for leakage, kinking, abrasion, corrosion, or any other signs
of wear or damage. Worn or damaged hose assemblies should be replaced
immediately.
… Inspect fiberglass barrel for cracks, wear, or damage.
… Check that the air compressor is delivering the specified pressure to operate
the UTILITY AIRSPADE.
… Maintain a clean fiberglass barrel. Remove dirt, dust, and
other contaminants.
ALWAYS
6
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SAFETY INSTRUCTIONS
… Operate the UTILITY AIRSPADE until the operating and safety
instructions are read and fully understood.
… Make any modifications to the UTILITY AIRSPADE.
… Tie, tape, or otherwise lock or fasten the trigger in the “ON” position.
… Point, or aim the UTILITY AIRSPADE at any person during operation.
… Allow hands, feet, or any body parts near the UTILITY AIRSPADE
nozzle tip during operation.
… Use the UTILITY AIRSPADE as a pry bar.
DO NOT
7
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WARNING
8
User assumes full responsibility to read and understand these
instructions prior to operation. Failure to adhere to these instruc-
tions can result in personal injury. User should also have operating
knowledge of the air compressor to which the tool is attached.
NOZZLE
BARREL
HANDLE
•Read and follow the directions below to properly assemble the UTILITY AIRSPADE.
•Apply a small amount of commercial grade anti-seize compound on the barrel
threads (A & B) to prevent galling.
• Screw the nozzle into the barrel by turning clockwise. Hand-tighten only.
•Screw the barrel into the handle by turning clockwise. Hand-tighten only.
AB
ASSEMBLY INSTRUCTIONS
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•Match the air compressor size to the UTILITY AIRSPADE nozzle on the tool. To
properly size the air compressor, make sure the air compressor flow rate is equal
to, or greater than, the nozzle flow rate.
•Check the air compressor for sufficient fuel and oil levels.
•Make sure the air compressor is secure from accidental motion.
•Close the air supply valve on the air compressor.
•
Make sure all air supply hose
connections are securely
made and safety clips
are installed.
•Use air supply hose with a
pressure rating equal to, or
greater than, 150 psi.
•Use air supply hose of an
appropriate diameter and length. (See Table A)
OPERATING INSTRUCTIONS
9
Maximum Recommended Air Supply
Hose Length (Feet)
Nozzle Flow 3/4” ID 1” ID 1
1/4” ID
(cfm)
105
150
225
240
110
40
1,110
520
220
3,350
1,730
880
STARTING
•Start the air compressor according to the manufacturer’s instructions.
•The air compressor should build pressure until 100 – 120 psi is shown on the air
compressor pressure gauge.
•Make sure that UTILITY AIRSPADE is turned off. Point the nozzle away from all
personnel or loose objects that could become airborne. Open the air supply valve
on the air compressor.
•Securely hold the UTILITY AIRSPADE. Point the nozzle up and away from all
personnel and any loose objects, and depress the trigger. Read the air compressor
pressure gauge and the pressure gauge on the tool. During operation the air pressure
gauge on the tool should read between 80 and 100 psi (5.5 and 6.9 bar). If not,
adjust the output pressure of the air compressor.
BEFORE OPERATION
Table A
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OPERATING INSTRUCTIONS
10
EXCAVATION PROCEDURES
•For most excavations, the best performance is achieved by holding the UTILITY AIRSPADE
nozzle at approximately a 45 degree angle from horizontal and about 1 inch away from
the surface to be excavated.
•Depending on the soil type, the UTILITY AIRSPADE should be directed above the surface
to be excavated at a rate of approximately 1 to 2 feet per second (0.3 to 0.6 meters per
second).
•Except in very hard and compacted clays, dwelling on the same spot tends to reduce the
rate at which material is excavated and can increase the amount of material blown away
from the excavation site.
•Watering the work area ahead of time can often be helpful. Watering reduces airborne
dust if the soil is extremely dry. It also reduces the soil strength, making digging easier.
•
For small-diameter holes, position the UTILITY AIRSPADE barrel perpendicular to the
ground with the nozzle close to the surface. Depress the trigger, and slowly thrust the tool
into the soil. When resistance is met, slowly withdraw the UTILITY AIRSPADE and then
reinsert. This procedure allows loose soil at the bottom of the hole to exit upward.
Reinsert the nozzle and repeat the above procedure until the desired depth of hole
is reached.
•
Care should be taken to limit physical contact with buried utilities. The UTILITY AIRSPADE
should not be used as a digging or pry bar.
•When boring a small-diameter hole, or when plunging the UTILITY AIRSPADE into loose
soil, the tendency to expose the operator to blown-back material is increased. The
adjustable dirt shield should be positioned close to the ground to deflect airborne material
away from the operator.
•For large-diameter holes, position the UTILITY AIRSPADE 4000 at an angle between
30° and 45° from the horizontal. Depress the trigger and move the UTILITY AIRSPADE
back and forth across the footprint of the excavation to loosen the soil to a depth of
several inches. Each layer of loose soil should then be removed with a shovel, backhoe,
or vacuum. Repeat the procedure until the desired depth is reached.
•For shallow, wide excavations, position the UTILITY AIRSPADE at an angle between
30° and 45° from the horizontal. Depress the trigger, move the nozzle from side to side
the desired width, and blow the loosened soil ahead of the nozzle. Continue until the
excavation is completed to the required length.
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11
•For deeper excavations or trenches, loosen the soil in layers of several inches.
Remove the soil with a shovel, backhoe, or vacuum. Repeat the procedure until the
desired depth is reached.
•Excavation rates will vary depending
upon soil composition, soil compaction,
and the air delivered from the nozzle.
(See Table B.)
•Use a portable (collapsible) barrier or
fence constructed from plywood or
canvas cloth, to keep dislodged soil
confined to the working area.
SHUT DOWN
•Turn off the air compressor air supply valve.
•Shut down the air compressor.
•Securely hold the UTILITY AIRSPADE. Point the nozzle up and away from all
personnel and any loose objects, and depress the trigger. Continue to depress the
trigger until all compressed air from the tool and hose is fully expelled and the air
pressure gauge on the UTILITY AIRSPADE reads “0.”
•It is now safe to disconnect the air supply hose. Store the UTILITY AIRSPADE.
MAINTENANCE
•
As with any professional-grade tool, the UTILITY AIRSPADE requires regular care to
ensure proper operation. Prior to each use, inspect the tool for any loose or visibly
damaged parts. Tighten or replace worn parts as required. Inspect the fiberglass
barrel for cracks, wear, or other damage. Remove dirt or other foreign material from
around the trigger and valve stem areas and from the fiberglass barrel. Periodically
apply light oil or lubricant (e.g. WD40) to ensure smooth operation.
OPERATING INSTRUCTIONS
Nozzle Flow Soil Excavation Rate
(cfm) (ft3/min)
105 0.9 to 1.5
150 1.2 to 1.8
225 1.7 to 2.3
Table B
Soil Excavation Rates (ft3/min)
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COMPONENTS & ACCESSORIES
12
NOZZLE
•
The UTILITY AIRSPADE nozzle can be unscrewed from the barrel by turning counter
clockwise. In the event of a tighter than normal connection, flats are provided on the
nozzle for wrench application. Before reinstalling the nozzle, remove any dirt or foreign
material from the threads and O-ring, and apply a small amount of commercial grade
anti-seize compound on the threads to prevent galling. Screw the nozzle into the
barrel by turning clockwise. Hand-tighten only.
BARREL
•
The fiberglass barrel can be unscrewed from the handle by turning counterclockwise.
In the event of a tighter than normal connection, a spanner wrench may used on the
barrel if necessary. Before re-installing the barrel into the handle, remove any dirt o
foreign material from the threads and O-ring, and apply a small amount of anti-seize
compound on the threads to prevent galling. Screw the barrel into the handle by turning
clockwise. Hand-tighten only.
• Extensions provide the ability to extend the reach of the UTILITY AIRSPADE into deeper
holes or trenches. To install an extension, first remove the nozzle. Apply a small
amount of anti-seize compound on the threads of the barrel, and then attach the
extension to the barrel by screwing it into the barrel. Turn clockwise and hand-tighten
only Apply a small amount of anti-seize compound on the threads of the extension,
and then screw on the nozzle. Hand-tighten only.
EXTENSIONS
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COMPONENTS & ACCESSORIES
13
•
The 45º adapter enables the UTILITY AIRSPADE to
operate in tight locations where obstructions do not
allow the use of a straight barrel. Unscrew the existing nozzle from the
barrel. Ensure the 45º adapter locking ring is shouldered against the 45º
adapter body and the 45º adapter coupler is snug against the O-ring. Clean the
threads and the O-rings on the barrel and on the 45º adapter assembly and apply
anti-seize compound to the threads of both. Screw the 45º adapter assembly onto
the barrel via the coupler. Hand-tighten only. Screw the nozzle onto the other end
of the 45º adapter. Hand-tighten only. To lock the adapter into position, shoulder
the locking ring against the coupler.
CAUTION: When using the 45º
adapter, compressed air exiting
the nozzle will force the tip of
the tool away from the direction
the nozzle is aimed. To prevent
this from occurring, the operator
should place the free hand at
least midway down the barrel.
Grip the barrel tightly to brace
the tool against the force
produced by the exiting
compressed air.
45º ADAPTER
Barrel Connector
Barrel
Barrel Sleeve
O-Ring (Not Shown)
Nozzle
45º Adapter Body
45º Adapter Coupler
45º Adapter Locking Ring
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COMPONENTS & ACCESSORIES
14
SLIDING DIRT SHIELD
•The sliding dirt shield is made up of two
components: the locking sleeve (A) and
rubber deflector (B). One end of the locking
sleeve has 4 slots; the other end is solid.
•To install, slide the rubber deflector over the
nozzle and coupling into position (C) on the
barrel. Separate the locking sleeve and
clamp over the barrel in position (D). Make
sure the slots are closest to the nozzle. (Fig. 1)
•Slide the rubber deflector so that it is positioned
over the solid end of the locking sleeve. The
locking sleeve and rubber deflector assembly
can now slide freely up and down the barrel
shaft. (Fig. 2)
•To lock the sliding dirt shield in position, slide
the assembly to the desired position on the
barrel. Then firmly push the rubber deflector
over the slotted end of the locking sleeve.
(Fig. 3)
AB
Fig. 1
D
C
Locking Sleeve
Rubber Deflector
NOZZLE
COUPLING
Fig. 2
Fig. 3
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PARTS, DISASSEMBLY AND RE-ASSEMBLY
15
l Valve Spring
l Valve Seal
l Valve Stem
l Pressure Gauge
l Lanyard
l Safety Clip
l Lubricant
HANDLE SPARE PARTS KITS
•The UTILITY AIRSPADE Handle
Spare Parts Kit includes:
VALVE STEM REPLACEMENT
• Remove the plastic, snap-on handle cover by drawing
the cover toward the rear of the tool. Unthread
the valve cap (1/2” square drive required) and set
aside. Remove and discard the valve spring, valve seal,
and valve stem. Apply lubrication to the new valve
stem and insert into the handle. Insert a new valve seal
with the black seal face facing downward. Insert a
new valve spring. Apply Teflon tape to the threads of
the existing valve cap and thread into the handle until
flush. Slide the existing handle cover back in place.
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16
PARTS, DISASSEMBLY AND RE-ASSEMBLY
PRESSURE GAUGE
• The pressure gauge may be removed with a valve removal tool by turning counter
clockwise. Valve removal tools are commonly available at any auto parts store.
Before reinstalling, apply a small amount of thread locker on the gauge stem
threads. Insert the gauge into the handle cavity, turning clockwise by hand as far
as possible. Tighten using the suction cup tool.
INLET CONNECTOR
• Remove the plastic, snap-on handle cover. Carefully snug the UTILITY AIRSPADE
handle casting in a vise. Unscrew the inlet connector by turning it counterclockwise.
Exercise caution not to unscrew the handle extension from the handle casting. Before
reinstalling the connector, wrap the threads of the handle extension with Teflon tape
to prevent galling the threads and to ensure an air-tight connection. Tighten by
wrench.
TRIGGER SLEEVE AND COMFORT GRIP
• Unthread the inlet connector per the previous instructions. Remove the two button
screws holding the trigger guard. Slide the trigger guard off the handle and save.
Remove grip and discard. Slide on the new grip, and trigger sleeve. Applying talc
or evaporating solvent to the inside will ease installation. Position the trigger guard
on the handle. Thread the two new screws into the handle. Apply threaded locker to
the two new button screws and thread into the handle. Before reinstalling the inlet
connector, wrap the treads with Teflon tape to prevent galling the threads and to
insure an air-tight connection. Tighten by wrench.
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17
PRODUCTS, PARTS & ACCESSORIES LIST
Part # Description
ASU4105G4 Utility AirSpade 105 cfm w 4 ft Barrel
ASU4150G4 Utility AirSpade 150 cfm w 4 ft Barrel
ASU4225G4 Utility AirSpade 225 cfm w 4 ft Barrel
ASU4105KT Utility AirSpade 105 cfm Kit
ASU4150KT Utility AirSpade 150 cfm Kit
ASU4225KT Utility AirSpade 225 cfm Kit
ASU4004BD Utility AirSpade 4 Ft Barrel w Dirt Shield
ASU4002EX Utility AirSpade 2 Ft Extension w Coupler
ASU4003EX Utility AirSpade 3 Ft Extension w Coupler
ASU4004EX Utility AirSpade 4 Ft Extension w Coupler
ASU4005EX Utility AirSpade 5 Ft Extension w Coupler
ASU4000CP Utility AirSpade Barrel/Extension Coupler
ASU4105NZ Utility AirSpade 105 cfm Nozzle
ASU4150NZ Utility AirSpade 150 cfm Nozzle
ASU4225NZ Utility AirSpade 225cfm Nozzle
ASU4045AA Utility AirSpade 45 Degree Angled Adapter
HT133 Sliding Dirt Shield
HT180 Auxiliary Handle
ASU4000HA Utility AirSpade Handle Assembly
ASU4000HR Utility AirSpade Handle Repair Kit
HT132 Storage Case with Lock
HT171 Canvas Storage Bag
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18
IN NO EVENT SHALL GUARDAIR CORPORATION BE LIABLE TO THE PURCHASER
OR ANY USER OF THE AIRSPADE, OR TO ANY OTHER PERSON OR ENTITY, FOR
INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES INCLUDING THE COST OF
PROVIDING SUBSTITUTE EQUIPMENT DURING PERIODS OF MALFUNCTION OR NON-
USE AND DAMAGES FOR DELAY. THE WARRANTIES AND REMEDIES SET FORTH
ABOVE ARE THE SOLE AND EXCLUSIVE WARRANTIES AND REMEDIES AVAILABLE.
GUARDAIR CORPORATION SPECIFICALLY DISCLAIMS ALL IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ALL OTHER
WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY.
The UTILITY AIRSPADE Series 4000 is warranted by GUARDAIR CORPORATION
(GUARDAIR) against defects in material and workmanship for a period of one year.
Defective units will be replaced or repaired at the option of GUARDAIR. The
warranty period begins at the date of shipment of the tool from GUARDAIR or
from GUARDAIR’S authorized distributor.
This warranty shall not be in effect if the tool is subject to misuse, negligence,
or accident, or if it is configured, or used in any manner inconsistent with the
directions set forth in this operator’s manual. Wear and tear from normal use is
not covered under this warranty.
Any and all claims for warranty consideration must be coordinated through
GUARDAIR. Do not return the unit or parts without prior authorization. Upon obtaining
authorization, returned units or parts must be postage prepaid.
The purchaser’s recovery for damages resulting from any and all causes whatso-
ever, including, but not limited to, breach of contract, breach of warranty, negligence
or strict product liability will be limited to the replacement of the components of the
tool with respect to which losses or damages are claimed, provided that GUARDAIR
has been notified of any alleged defect within the warranty period.
LIMITED WARRANTY
Limited Warranty
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...Visit us online at www.airspade.com
2000 & 3000
Our AIRSPADE
®
models 2000 & 3000 air guns
effectively penetrate and dislodge most types of soil,
but are harmless to non-porous objects
such as plant roots, buried pipes, or cables.
For the biggest, toughest excavation jobs.
ARBORICULTURE / HORTICULTURE l
The premier air tool for use in advanced tree care
ENVIRONMENTAL l
For use in the remediation of hazardous material
INDUSTRIAL / UTILITY l
Used when dealing with sensitive pipes and cables
TRENCH RESCUE l
The ideal air tool for use in dangerous trench accidents
For more information on the AIRSPADE 2000 & 3000
Featuring
the Patented
AIRSPADE
SUPERSONIC
NOZZLE
HT311-2_UAS4000-OpsMan.indd 20HT311-2_UAS4000-OpsMan.indd 20 3/13/20 5:41 PM3/13/20 5:41 PM

AIRVAC®
The Perfect Companion
for AIRSPADE
®
A DIVISION OF
47 Veterans Drive
Chicopee MA 01022
Phone: [phone]
Fax: [phone]
For more information visit us at:
airspade.com
HT311-2 2458922
Powered by compressed air, AirVac is the mobile
alternative to large, expensive vacuum trucks.
Effectively vacuums up to 2 cubic ft/min of
spoils including dirt, sand, gravel, small
rocks, and muck.
Designed to run off a standard, 185 cfm
tow-behind air compressor, the AirVac
features a powerful multi-stage venturi
vacuum engine with no motors or moving
parts to wear out. Tank capacity of 11 cubic ft. (82 gallons) with an extra-wide dump door
facilitates emptying spoils for backfilling. Washable exhaust filter bag captures dust and
eliminates need for internal filter.
• Heavy-duty, all aluminum construction
• 11 cubic ft (82 gallon) capacity tank
• 24” x 16” dump door
• Washable exhaust filter bag
• 15” diameter pneumatic tires
• Air supply pressure gauge
• 4” ID x 4 ft clear plastic vacuum wand
• Removable, venturi vacuum engine assembly
• 3/4” FNPT compressed air inlet with Universal Coupler
• 4” ID x 15 ft heavy-duty, lightweight vacuum hose
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