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Fire Ignition Technical Bulletins

Intermittent Loading Failure

July 24, 2018

Product: Dragon
Models: Green Dragon
Subject: Intermittent Loading Failure

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Technical Bulletin: Red Dragon PSD New Wide Exit Chute

June 21, 2018

Product: Dragon
Models: Red Dragon PSD
Subject: New Wide Exit Chute

Background:

A new exit chute has been developed for the Red Dragon Plastic Sphere Dispenser (PSD).

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Belly Strap Upgrade

November 13, 2015

Product: Dragon, Premo
Models: Red Dragon and Premo PSD
Subject: Belly Strap Upgrade

Background:

Currently, the Red Dragon and Premo PSD use different Belly Straps. Both belly straps are considered safe to use, but have slightly different designs.

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Green Dragon Gas Hose Change

April 14, 2015

Product: Dragon Sphere Dispenser
Models: Green Dragon
Subject: Gas Hose Change

Background:

It has recently come to the attention of SEI that the specification for the gas hose used on the Green Dragon has changed. SEI was not informed by the supplier of the change at the time it occurred. The original hose (part number 006046) was rated for 150 psi at 70° F but has since been de‐rated by the manufacturer to 130 psi at 70° F. The 130 psi hoses have the rating printed on the outside of the hose.

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Incorrect Position of Hopper Motor Plate

August 15, 2014

Date: August 12, 2014
Product Line: Dragon
Models: Green Dragon
Subject: Incorrect Position of Hopper Motor Plate

Details:

A Green Dragon dispenser was reported to have repeated problems with failure to load the primed sphere. Upon investigation, it was discovered that the motor plate in the hopper had been installed incorrectly. The motor plate is located in the hopper tube by three screws located 120° apart and includes the hopper limit switch which determines the position of the selector plate when it is stopped. The motor plate and switch were rotated such that when the hopper was stopped, the selector plate was not at the correct location. The consequences of this are that when the barrel opens to receive the primed sphere, the next sphere has not yet been loaded in the hopper and does not push the loaded sphere into the barrel.

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Remedying Early Ignition for Premo Fireballs

July 12, 2013

Date: June 19, 2013
Product Line: Premo
Models: Pink and white Fireballs
Subject: Remedying Early Ignition for Premo Fireballs
Reference: SAFECOM 13-0286

Background:

The potassium permanganate currently used in pink/white Premo Fireballs is a very pure formula and is slightly more reactive with ethylene glycol. Customer feedback combined with in-house testing have confirmed that the new Premo Fireballs (pink and white) can display premature chemical reactions and more animated ignition characteristics when injected with pure ethylene glycol in warmer temperatures of approximately 70° F ( 21° C) or higher.

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Red Dragon: Incorrect Installation of Chute Locking Nuts

August 16, 2010

Details:

Several incidents have occurred when an operator incorrectly installed the outlet chute to the injection head. The gold nuts were left on the chute screws on the inside of the head and the black nuts on the outside. This action caused the chute to be offset inboard and blocked the primed spheres from exiting the dispenser.

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Red Dragon: Water Nozzle Leakage

Details:

Several operators have reported dripping from the water nozzles after a water test. An investigation has determined that the nozzle check valves are prone to sticking in the open position due to particulate contamination in the water.

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Red Dragon: Gate Jamming in Red Dragon PSD

Details:

An incident occurred when an operator removed and replaced the hopper in operation while failing to clear the top two spheres from the gate assembly. This action caused the gate to be jammed in the closed position.

This issue is currently addressed with a note on page 28 of the operating manual. The note states:

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