Coupling Trailer To Truck
12. Connect the supply hose to glad hand (A), service hose to glad hand (B), electrical cable to connector, and if equipped, connect hoses to the lift axle glad hands. See Figure 3-7.
Figure 3-7 – Connect Hoses and Electrical Connector 13. Raise the landing gear. MAC Trailer uses a two speed landing gear from several different manufacturers. High speed may be “in” on some models and “out” on others. Engage the crank handle (A) to the shaft and turn to retract the landing gear. Return the two speed landing gear crank handle to the storage position. See Figure 3-8.
Figure 3-8 – Two Speed Landing Gear
14. Press the trailer air supply valve in the truck to fill the trailer air tanks. Do not release truck parking brakes. 15. Perform pretrip inspection. See Section 3.6. 3.6 PRETRIP INSPECTION Perform the inspections and checks before towing trailer: • Check that ABS light on street side rear corner of the trailer is not illuminated. • Check that all safety decals are in place and in good, readable condition. • Check that all reflectors are in place and in good condition. • Check air pressure on all tires. Air pressure is listed on the Certification/VIN tag. • Check and inspect all tires. If a tire has a bald spot, bulge, cut or cords showing, replace the tire(s) before towing trailer. • Check wheel lug torque. See the Maintenance Section of this manual. • Check the wheel hubs for signs of lubricant leakage. • Verify that air suspension springs are inflated. • Check electrical harness and air hoses from truck for damage. • Check all lights for operation.
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