Part No. MAN, Rev. 1-0809 111 Chapter 7 Service and Repair C HANGING A T IRE 1. Park the trailer on a level spot, and leave it attached to the vehicle. 2. Release the cable mount holding the spare tire and lower the tire to the ground. Figure 7-1. Turn the nut on the cable mount to lower the spare tire. 3. Remove the spare tire from the cable mount. In This Chapter C HANGING A T IRE R EPLACING TANKS CONTROL P ANEL S WITCHES R EPLACING F USES S ERVICING THE DRIVE B ELTS A DJUSTING THE TANK L ATCHES R EPLACING THE B ATTERY J UMP -S TARTING THE E NGINE R EPLACING LIGHT BARB ULBSdiv
VMT-1 Valve Maintenance Trailer 112 Part No. MAN, Rev. EH. Wachs 4. Use a screwdriver to remove the wheel cover. Figure 7-2. Use a standard screwdriver in the wheel cover slot to remove the cover. 5. Use a 3/4” wrench or socket to loosen the lug nuts. 6. Use a hydraulic or floor jack under the axle to raise the side of the trailer with the damaged/worn tire. Remove the lug nuts and takeoff the tire. Figure 7-3. Remove the lug nuts. 8. Put the spare tire on the wheel. Replace and snug the lug nuts. Lower the jack and remove it. 10. Tighten the lug nuts securely. Replace the wheel cover, push until it snaps into place.
Chapter 7, Service and Repair Replacing Tank Shut-Off Seal E.H. Wachs Part No. MAN, Rev. 1-0809 113 Mount the removed tire on the cable mount at the back of the trailer. Turn the cable nut to lift the tire securely against the bottom of the trailer. R EPLACING T ANK S HUT -O FF S EAL The spoils tank has a shutoff valve in the top. A buoyant ball plugs the port when the tank is filled with liquid. If the rubber seal in the valve is damaged or worn, the ball will not seal tightly There are two styles of tank cap, as shown in Figure 7-4. Figure 7-4. The older style of tank cap (left) has a knurled knob the newer style (right) uses wing nuts. Figure 7-5. Remove the knurled knob from the tank cap, then pull the cap off. It maybe necessary to tap the side of the cap with a rubber hammer to break the seal.