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PARTS, DISASSEMBLY AND RE-ASSEMBLY

15

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Valve Spring 

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Valve Seal 

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Valve Stem

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Pressure Gauge

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Lanyard 

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Safety Clip

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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. 

HT311-2_UAS4000-OpsMan.indd   16

HT311-2_UAS4000-OpsMan.indd   16

3/13/20   5:41 PM

3/13/20   5:41 PM

Summary of Contents for ASU4105G4

Page 1: ...UTILITY AIRSPADE 4000 OPERATOR S MANUAL HT311 2_UAS4000 OpsMan indd 2 HT311 2_UAS4000 OpsMan indd 2 3 13 20 5 41 PM 3 13 20 5 41 PM ...

Page 2: ...nts 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 HT311 2_UAS4000 OpsMan indd 3 HT311 2_UAS4000 OpsMan indd 3 3 13 20 5 41 PM 3 13 20 5 41 PM ...

Page 3: ...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 HT311 2_UAS4000 OpsMan indd 4 HT311 2_UAS4000 OpsMan indd 4 3 13 20 5 41 PM 3 13 20 5 41 PM...

Page 4: ...r 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 t...

Page 5: ...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 B Fig 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...

Page 6: ...riate 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 repl...

Page 7: ...SPADE 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 HT311 2_UAS4000 OpsMan indd 8 HT311 2_UAS4000 OpsMan indd 8 3 13 20 5 41 PM 3 13 20 5 41 PM ...

Page 8: ...d 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 A B ASSEMBLY INSTRUCTIONS HT311 2_UAS4000 OpsMan...

Page 9: ... 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 va...

Page 10: ...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...

Page 11: ...d 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 pa...

Page 12: ...d 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 T...

Page 13: ... 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 do...

Page 14: ...lots 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 th...

Page 15: ... 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...

Page 16: ...tor 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...

Page 17: ...ade 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 Auxili...

Page 18: ...rom 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...

Page 19: ...ULTURE 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 OpsMa...

Page 20: ... 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 ...

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