STEM ASSEM. (45 degrees) 4S7495 - Caterpillar

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Install the new HEPA filter with the large opening down onto the bottom of the canister.
Seat the canister onto the unit and screw the Retainer Nut back into place.
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Check for gaps between the sealing surfaces.
Vacuum clean the DPF Cleaner and the surrounding area as needed.
Dispose of the ash and used filter according to Federal, State, and local regulations.Ash Bag Change Instructions
When changing the Ash Bag, wear eye, hand, and respiratory protection. Change the Ash Bag in an enclosed area away from breeze or anything that may disturb the ash.
Use the 366-6780 Ash Bag Change Kit . Contents of the Ash Bag Kit include, Ash Bag, zip-lock bag, Sealing Cap, and respiratory mask.
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Disconnect the air lines from the intermediate ring and unclamp the ring from the canister.
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Simultaneously rotate counterclockwise and lift the intermediate ring from the canister.
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Remove the backing from the Sealing Cap and adhere to the top of the Ash Bag.
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Remove the Ash Bag from the canister.
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Slowly and gently press the air from the changed out Ash Bag.
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Insert and seal the compressed Ash Bag into the zip-lock bag.
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Install the new Ash Bag into the canister making sure that the bag is evenly folded around the outside edge of the canister.
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Reinstall the intermediate ring, hoses, and clamp onto the canister assuring a tight seal to the Ash Bag.
Vacuum clean the DPF Cleaner and surrounding area as needed.
Dispose of the Ash according to Federal, State, and local regulations.Long Reach Nozzle Package
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The Long Reach Nozzle Package is to be used when cleaning filters having substrate depths greater than 87.5 mm (3.44 in).
Leg Extensions (A) affix to gauge when setting Long Reach Nozzle.
DO NOT use on filters having substrate depths of 87.5 mm (3.44 in) and less.