Slide 1

Lo-Pro Application/Use

The following presentation illustrates the proper application and use of the LoPro chocking system. 1

Placement: A Lo-ProTM chock set includes one (1) Left-hand (anchor chock) and one (1) Right-hand (active chock w/ Strap). Two (2) sets are required per vehicle. The chocks secure to the railcar tie-down track.Application: Chock PlacementPositioning the Lo-ProTM DevicesThe Lo-ProTM chocks are etched with Left or Right for ease of identification.

Set 1 Set 2

Example of Lo-Pro Chocks applied to a vehicle

A Lo-ProTM chock set includes one (1) Left-hand (anchor chock) and one (1) Right-hand (active chock w/ Strap). Two (2) sets are required per vehicle. The chocks secure to the railcar tie-down track.2

Step # 1: Starting with the Left-hand Lo-ProTM chock, disengage the Release Lever. Push the Blue Lock Handle aside, then pull the Release Lever upward. Application: STEP 1 Disengage the Left-hand Chocks Locking Mechanism B) Pull the Release Lever upward.

A) Push the Blue Lock Handle asideExample of the Release Lever in locked position, secured by the Blue Lock Handle.Blue Lock HandleRelease LeverDISENGAGED/UNLOCKED LOCKEDPush aside the Blue Lock Handle.Pull the Release Lever Upward.

Starting with the Left-hand Lo-ProTM chock, disengage the Release Lever. Push the Blue Lock Handle aside, then pull the Release Lever upward. 3

Step # 2: With the Release Lever disengaged, position the Left-hand Lo-ProTM on the railcar tie-down track as close to the vehicle wheel as possible*. Application: STEP 2 Position the Left-hand Lo-ProTM Chock Position the Lo-ProTM as close to the vehicle wheel as possible*.

The Lo-ProTM bolt heads will engage the track openings. Lo-ProTM underside view* AAR Guidelines allow up to a 3/4 space between the chock and the vehicle wheel. Always follow the vehicle manufacturer securement guidelines.

With the Release Lever disengaged, position the Left-hand Lo-ProTM on the railcar tie-down track as close to the vehicle wheel as possible ensuring the LoPro bolt heads are engaged in the tie-down track openings.

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Step # 3: Push the Release Lever down to Lock position. When fully secured, the Blue Lock Handle will rest above the Release Lever.Application: STEP 3 Secure the Locking Mechanisms

CORRECT !!!Push the Release Lever down to lock in place. INCORRECTWhen fully locked, the Blue Lock Handle sits ABOVE the Release Lever.

Push the Release Lever down to Lock position. When fully secured, the Blue Lock Handle will rest above the Release Lever.5

Step # 4: Repeat steps 1, 2 and 3 to secure the Right-hand chock to the railcar tie-down track. Application: STEP 4 Repeat steps 1 through 3 with the Right-hand Lo-ProTM chock. STEP 1STEP 2STEP 3Disengage: Push aside the Blue Lock Handle, then Pull the Release Lever upward.Position: Set the Lo-ProTM chock in place. Lock: Push the Release Lever down. Ensure the Blue Lock Handle rests ABOVE the Release Lever.

Repeat previous steps 1, 2 and 3 to secure the Right-hand chock to the railcar tie-down track.

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Step # 5: Pull the strap over the tire and affix the J-Hook onto the Left-Hand Chock Torque Tube.Application: STEP 5 Secure the J-hook. Torque TubeJ-HookA)Step on the Release Pawl Lever to unwind the strap. B) Pull the strap over the tire. C) Hook the J-Hook to the Torque Tube of the Left-Hand (anchor) Chock.ABC

C

Pull sufficient amount of strap through the Right-Hand chock and over the tire to affix the J-Hook onto the Left-Hand Chock Torque Tube.

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Step # 6: Center the strap over the middle of the tire, with the Cleat Tread Lugs engaged in the tire groove. Ensure the Strap is pulled through torque tube neatly and not twisted.Application: STEP 6 Ensure the Strap is Properly Positioned.

C) The middle cleat is centered at the top of standard size tires; or Between 10 and 2 Oclock position for different size tires. B) Cleat Tread Retention Lugs are engaged into the tire groove. A) The strap is centered in the middle of the tire. D) Ensure the strap is pulled through the Torque tube, not twisted or pinched.

Center the strap over the middle of the tire, with the Cleat Tread Lugs engaged in the tire groove. Ensure the Strap is pulled through torque tube neatly and not twisted.8

Step # 7: Pull the strap slack away from the J-hook. Then ratchet the Right-hand adjustable chock to tighten the strap until there is a slight compression of the tire. Then, further tighten 3 CLICKS. Application: STEP 7 Tighten the Right-Hand Chock Strap Tighten the Right-hand chock an additional 3-Clicks by rotating the wrench clockwise. Do not over tighten! If you have clicked more than three times, release and retighten. Starting from the J-hook, pull the strap slack toward the Left-hand anchor chock. J-Hook

Pull the strap slack away from the J-hook and through the torque tube of the Right-Hand chock. Then ratchet the Right-Hand adjustable chock to tighten the strap until there is a slight compression of the tire. Then, further tighten 3 CLICKS. 9

Removal: Release the chocks from the tie-down tracks. Wrap the cleat strap around the Right-hand chock. Store in the provided side screen chock pans. Removal & Storage: Releasing the Lo-ProTM from the tie-down track.

Push the Release Pawl Lever down with your foot to release the strap. Push the Blue Locking Handle aside and lift the Release Lever upward to release chocks from the tie-down track. Un-clasp the J-hook, then wrap the strap around the right-hand Lo-Pro Chock. Store Lo-ProTMs in the railcar Chock Box. *Wrap the cleat strap around the right-hand chock. Step 1 Step 2 Step 3 Step 4

Wrap the strap around the Right-hand chock before storing.

To remove the LoPro, push the Release Lever down with your foot to release the strap tension and slack . Push the Blue Locking Handle aside and lift the Release Lever upward to release chocks from the tie-down track. Un-clasp the J-hook, then wrap the strap around the right-hand Lo-Pro Chock. Store in the provided side screen chock pans. 10

For further information Contact: FCGCustomerService@Wabtec.com

11For further information Contact: FCGCustomerService@Wabtec.com