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Assembly and Installation Instructions

 

Note:

  All information, illustrations and specifications in this manual are based on 

the latest product information available.  We reserve the right to make changes 
at any time without notice.

MAINTENANCE

The A1100 Guardian is maintenance free.  Periodic inspection of drop tube wear 
due to corrosion is suggested. 

Please leave these instructions with the owner/operator of the service station for 
future reference.

For complete warranty information visit www.emcoretail.com

p/n 566785
Rev. V, 06/20

TABLE OF  CONTENTS

 Tools 

2

 Packing 

List 

2

 Assembly 

2-7

 Procedure 

3

 Installation 

7-8

 General 

Maintenance  8

 Warranty 

8

IMPORTANT: 

Read these instructions completely and carefully before attempting to 

install and operate this valve.  Failure to do so may result in improper valve operation 
allowing for a potential storage tank overfill.  An overfilled tank can create extremely haz-
ardous fuel spills which may result in personal injury and property damage.  For further 
information, please call our Customer Service Department at (252) 243-0150.

IMPORTANT: 

Veuillez lire ces instructions attentivement avant d’installer et d’exploiter 

cette vanne. Ne pas le faire peut entraîner un fonctionnement incorrect de la vanne per-
mettant un potentiel débordement de la citerne de stockage. Un réservoir trop plein peut 
créer des déversements de carburant extrêmement dangereuses qui peuvent entraîner 
des blessures et des dommages matériels. Pour plus d’informations, s’il vous plaît com-
muniquer avec notre service à la clientèle au (252) 243-0150.

Self-Sealing Models
It is critical that the A0089-001 Fill Adapter be properly installed to allow 
proper vapor flow. Improper installation can result in greatly reduce vapor 
flow that will prevent a normal fuel drop.

Step 21:

  Apply pipe dope to the adapt-

er and riser pipe threads. Position the 
adapter on the riser and begin to turn 
the adapter to engage the riser pipe 
threads. Once the threads engage, turn 
the A0089-001 adapter approximately 
4 turns. (See photo below, right.) The 
adapter is not designed to seal on the 
riser. Apply minimal torque (30 ft. lbs. 
max.) to seat the adapter. Do not over 
torque.  Tighten the set screws (7-10 ft. 
lbs.) to secure the adapter to the riser 
pipe once the adapter is positioned as described above. 

Vapor path, pictured in sealed 
position. The coax fill arm opens 
the vapor seal approximately 1/2 
the distance of the opening to 
establish a flow path for the vapor 
return.

A1100 GUARDIAN COAXIAL

OVERFILL PREVENTION SYSTEM

(with 493768 Installation Kit)

WARNING

:  

If the underground storage tank is equipped with a ball float vent valve, make 

sure it is not extended below the positive shut-off point of the A1100, or remove the float 
vent valve.

ATTENTION:

 Si le réservoir de stockage souterrain est équipé d’un flotteur évent de balle 

vanne, assurez-vous qu’il n’est pas prolongée en dessous du point d’arrêt positive de 
l’A1100, ou supprimer la vanne flotteur de ventilation.

CAUTION

:

  

Never disconnect the drop elbow from the tight-fill adapter when the A1100 has 

reached the positive shut-off level. At this point, the tank truck hose is still full and must not 
be disconnected until enough fuel has been removed from the underground storage tank to 
drain the hose.  Premature disconnection will result in a hazardous spill and a potential for 
personal injury and property damage.

ATTENTION

: Ne jamais déconnecter le coude de baisse de l’adaptateur permet le remplis-

sage étanche lorsque le A1100 a atteint le niveau d’arrêt positive. A ce point, le tuyau de 
camion-citerne est encore pleine et ne doit pas être débranché jusqu’à ce que suffisamment 
de carburant a été éliminée du réservoir de stockage souterrain pour vidanger le tuyau. 
Déconnexion prématurée entraîne un déversement dangereux et un risque de blessures et 
de dommages matériels.

Summary of Contents for A1100 Series

Page 1: ...he adapt er and riser pipe threads Position the adapter on the riser and begin to turn the adapter to engage the riser pipe threads Once the threads engage turn the A0089 001 adapter approximately 4 t...

Page 2: ...O ring 565023 1 Collar 565006 1 Gasket 565023 1 Disc seal 566539 1 Wave spring 564441 1 Thrust washer 566038 493768 Assembly Kit 06_S 1 Collar 565004 6 Pop rivets 564394 1 Seal All 566726 1 Warning pl...

Page 3: ...extends above the riser in self sealing applications Mark tube to length E These dimensions will position the tube 6 from the tank bottom Step 13 Apply a liberal coat of pipe dope to male threads of t...

Page 4: ...ect orientation of the drop tube and the collar Drill the remaining 5 holes Fasten the collar using the rivets p n 564394 Apply Seal All liberally over the rivets before they are installed to prevent...

Page 5: ...ect orientation of the drop tube and the collar Drill the remaining 5 holes Fasten the collar using the rivets p n 564394 Apply Seal All liberally over the rivets before they are installed to prevent...

Page 6: ...extends above the riser in self sealing applications Mark tube to length E These dimensions will position the tube 6 from the tank bottom Step 13 Apply a liberal coat of pipe dope to male threads of t...

Page 7: ...O ring 565023 1 Collar 565006 1 Gasket 565023 1 Disc seal 566539 1 Wave spring 564441 1 Thrust washer 566038 493768 Assembly Kit 06_S 1 Collar 565004 6 Pop rivets 564394 1 Seal All 566726 1 Warning pl...

Page 8: ...he adapt er and riser pipe threads Position the adapter on the riser and begin to turn the adapter to engage the riser pipe threads Once the threads engage turn the A0089 001 adapter approximately 4 t...

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