Trailer Parking Procedures

Review Date: 26-Oct-2005

Reviewed By: Glenn Berry

Prepared By: Guy Shuck

Section:

Lonkar Well Testing Ltd.

Procedures

Subject: Trailer Parking Procedures

Purpose: Keeping brakes from freezing on portable trailer units. Potential Hazards:

• Equipment sliding or rolling • Air pressure • Trailer unable to move when required • Cracked brake drums

Action: Information:

1. Spot Equipment. 1. Make sure there is good visual as well as good communication

with the driver. 2. Apply brakes to truck and trailer unit. 2. So truck will be able to pull

away.

3. Block trailer tires, lower legs onto planking, pull fifth wheel pin.

4. Pull truck away from trailer (approx. 1 foot). 5. Supply trailer with air so that brakes are released.

6. Close ½ " ball valve on air line to keep brakes

released.

7. Detach air lines from truck to trailer and pull truck out of the way.

8. Once the brakes have cooled off or dried off 8. Hold air lines away from self

(approx. 4-6 hours), open ½ " ball valve to release and SLOWLY open ½ " valve air from lines reapplying brakes to trailer. This will release pressure to

brakes.

Trailer Parking Procedures

9. If brakes are still frozen, beat on the drum 9. Only truck drivers may beat on

with a metal bar. the brake drums to release.