To remove the bulb, remove the base mounting screws from the outer light cover, unscrew and remove bulb.
Replace bulb, reposition the outer lenses cover and secure to light base with the cover mounting screws.
Skip over step (2) if light is to be removed from the trailer unit frame.
Remove connector plug (7, Figure 7-6) from plug clip (6, Figure 7-3). Disconnect connector plug (7, Figure 7-6).
Remove the light (14, 15) from the trailer unit framework.
Cleaning. Refer to paragraph 6-2. b. for general cleaning procedures.
Inspection. Refer to paragraph 6-2. c. for general inspection procedures.
Repair or Replacement. Refer to paragraph 6-2. d. for general repair or replacement procedures.
Assembly. To assemble the marker/clearance light assembly, proceed as follows:
Make certain a good ground is obtained by using the internal/external tooth washer in the grounding
Position marker/clearance light (14,15 Figure 7-3) base in mounting position. Secure light base to the trailer unit
frame using applicable mounting hardware.
Connect the two (2) halves of the plug connector (7, Figure 7-6), position the connector (7) in the plug clip (6,
Figure 7-3) and insert the connector into the clip.
Position the lenses cover over the light base and secure the cover to the light base using cover mounting screws.
6-17. AXLE ASSEMBLY (See Figure 7-9)- The following paragraphs contain disassembly, cleaning, inspection,
repair or replacement and assembly instructions for the trailer unit axle assembly.
Disassembly. Disassemble the axle assembly only to the extent necessary to repair or replace a defective part or
Make certain that supports used to support the trailer unit (1,094 lbs) on the trailer unit with service unit (3640 lbs) are of
sufficient construction and strength to support the weight while the axle assembly is being removed.
Using an adequate lifting device, lift trailer and place supports under trailer and place supports under trailer unit
welded frame assembly.
Remove tires (14) figure 7-1) and rims (15) from axle assembly (21).