Actuating Cylinder Replacement For Demco SBS Air Force One Supplemental Braking System

Question

Question:

good morning , I have a customer who changed vehicles and needs components for the new one to be towed behind his motor home that has the Air Force One system I see a reinstall kit 99226 but it doesnt include the break peddle actuator

asked by: Frank

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Expert Reply:

The Replacement Duo Actuating Cylinder for SMI Air Force One Supplemental Braking System # DM6210 is the brake pedal actuator. The cylinder is connected to the pedal and is tethered to the firewall, the cylinder then receives air from the air unit and will pressurize the cylinder and pull the pedal towards the firewall.

If you need the entire assembly, the Demco SBS Air Force One Supplemental Braking System for Motor Homes with Air Brakes # SM99243 is the complete kit.

expert reply by: Bryce D

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Actuating Arm
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Answer 1

The switch on the actuator for the Air Force One #SM99243 is a reed switch. It detects the presence of a magnet on the inner part of the actuator. When the magnet is near the switch the light is off. If you removed the reed switch and used a magnet…

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Answer 2

If the cable of your SMI Air Force One kit broke from the cylinder then the only solution is going to be to replace it with the part #DM56VR.

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Answer 3

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 4

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 5

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 6

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 7

Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we…

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Answer 8

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 9

Class I and Class II hitches both have a 1-1/4 inch receiver opening. The difference is that a Class I hitch has a lower tongue weight rating, usually 200 pounds and a lower towing rating, usually 2,000 pounds. A Class II hitch usually has a tongue…

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Answer 10

I definitely understand being a bit overwhelmed by the amount of options in front of you, however I can definitely help with differentiating the trailer hitches for your 2019 Subaru Outback Wagon along with explaining my personal recommendation,…

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Answer 11

Choosing the right height setting for your 5th wheel hitch is a combination of a few different variables. First of all you want your towing setup to be as level as possible. With your Montana High Country 340BH level you will want to measure from the…

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Answer 12

It could be a tow package fuse on the vehicle. Use the owners manual to find the locations of fuses/relays related to the tow package wiring to check them and replace as needed. If the issue is not a fuse or relay then you can test the vehicle side…

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Actuating Cylinder Replacement For Demco SBS Air Force One Supplemental Braking System

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