9. Remove the rear pivot shaft (see corresponding fifth wheel’s parts list — pages 11
through 12 — in combination with Chart 2 — to find the rear pivot shaft):
Chart 2
Rear Pivot Shaft Identification
FIFTH WHEEL REAR PIVOT SHAFT REAR PIVOT SHAFT
PART NUMBER PART NUMBER DETAIL NUMBER
FW2800-X XA-2895 Detail #7
FW2900-X XA-2895 Detail #7
FW2800-5X XA-2895 Detail #37
FW2900-5X XA-2895 Detail #37
10. Using a lifting device, pick up the rear support assembly (see corresponding fifth
wheel parts list in combination with Chart 3 to find the rear support assembly). For
safety, block out the assembly after it is lifted.
Chart 3
Rear Support Assembly Identification
REAR SUPPORT REAR SUPPORT
FIFTH WHEEL ASSEMBLY ASSEMBLY
PART NUMBER PART NUMBER DETAIL NUMBER
FW2800-X XA-2808-B Detail #2
FW2900-X XA-2908-B Detail #2
FW2800-5X XA-2808-B Detail #32
FW2900-5X XA-2908-B Detail #32
11. Use air pressure to extend the cylinder rod(s) approximately 12˝. Be sure to cover
the cylinder rod(s) to protect from weld splatter.
12. Weld the fifth wheel frame to the mounting angles per
Figure 7. Make 5/16˝ fillet
skip welds inside the frame, and 3/8˝ groove skip welds on the outside. Make the
skip welds 3˝ long on approximately 8-1/2˝ centers (i.e. weld 3˝ bead, skip 5-1/2˝).
Make inside skip welds opposite to the outside welds.
13. Reassemble the rear pivot shaft removed in Step 9.
XL-FW488 Rev A
5
INSTALLATION INSTRUCTIONS
continued
5/16˝
3-8
1
/2˝
3/8˝
3-8
1
/2˝
FIFTH WHEEL
MOUNTING FRAME
MOUNTING ANGLE
Figure 7
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