4. When the wheel is locked, the safety latch must
swing free and fall freely into position. See
Fig. 1.
5. The lever bar and release handle must be in
proper alignment. See
Fig. 2. Compare the lever
bar and release handle alignment to a new, or a
properly operating lever bar and release handle.
Replace any bent or misaligned lever bar or re-
lease handle.
6. Check all cotter pins for cracking or damage. Re-
place any cotter pin that shows any signs of
damage.
7. Check all mounting bolts for signs of fatigue, and
tighten them to the proper torque. For torque
specifications, see
Group 00. Inspect all angles,
plates, and brackets for cracks or other damage.
8. Replace cracked, worn, or damaged parts with
new parts. Replace all loose mounting bolts with
5/8–11 SAE grade 8 bolts, grade C locknuts, and
hardened washers. Do not re-use bolts, nuts,
and washers on fifth wheel mountings.
9. After inspecting the fifth wheel, lubricate all mov-
ing parts with a chassis or multipurpose grease.
See
MOP 31–03 for lubrication instructions.
Holland FW35
1. Thoroughly steam clean all fifth wheel compo-
nents before inspection.
2. Check for cracks in the fifth wheel assembly,
mounting brackets, and mounting parts.
3. Check the fastener torques on the fifth wheel
assembly and fifth wheel mounting. Tighten bolts
and nuts as needed. Replace missing or dam-
aged bolts.
4. Inspect the fifth wheel for bent, worn, damaged,
and missing parts; replace them as needed with
genuine Holland parts.
5. Using a Holland Kingpin Lock Tester (Holland
tool number TF-TLN-5001, available through the
PDCs as HLD TFTLN5001), check the operation
of the locking mechanism by opening and closing
the locks. See
Fig. 3.
6. After inspecting the fifth wheel, lubricate all mov-
ing parts with a chassis or multipurpose grease.
See
MOP 31–03 for lubrication instructions.
Fontaine
1. Disconnect the tractor from the trailer. For in-
structions, see the 108SD and 114SD Driver’s
Manual.
2. Thoroughly steam clean the fifth wheel.
3. Check for cracks in the fifth wheel assembly,
mounting brackets, and mounting parts.
4. Ensure that both bracket pins are in place and
secured by retainer pins and cotter pins. See
Fig. 4.
5. For fifth wheels equipped with bracket liners,
rock the fifth wheel. If it does not rock freely, re-
f311052
10/29/2007
1
2
3
4
1. Lubricant Grooves
2. Safety Latch
3. Release Handle
4. Mount
Fig. 1, Holland FWS1 Fifth Wheel
1. Release Handle 2. Lever Bar
Fig. 2, Lever Bar and Release Handle Alignment
Frame and Frame Components31
108SD and 114SD Maintenance Manual, May 201831/2
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