Saf-holland XL-FW436-01 FW31 Series Fifth Wheels with Traditio Manuel d'utilisateur télécharger pdf (Page 4)

4 SAF-HOLLAND, Inc. XL-FW436-01 Rev B

OPERATION INSTRUCTIONS continued

Trailer Upper Coupler Inspections

1. Inspect the leading edge of the trailer

bolster/skid plate. It must be free of

any square or sharp edges.

2. Make sure there are no bolts or nuts

extending below the bolster/skid plate

within 6˝ of the fifth wheel travel path

while coupling.

3. The area that is supported by the fifth

wheel should be free of any large

holes or gouges.

4. Any access holes that the fifth wheel

passes below should have chamfered

or radius edges.

5. Check that any splits from the skid

plate to bolster plate are welded

adequately and that there are no

sharp edges or abrupt changes in

elevation.

6. The upper coupler should extend

adequately rearward to maintain full

contact with the fifth wheel during

tight turning. If it does not, at a

minimum, the rear edges should be

chamfered or radius edges.

7. Make sure that any upper coupler

residual grease is free of heavy coarse

grit.

8. Ensure that the upper coupler fifth

wheel contact surface is free of rust.

Do not paint the contact area! The

area should be conditioned with rust

inhibitor such as a light oil.

9. Inspect the kingpin for excessive wear

and damage (use Holland tool TF-0110

Kingpin Gage) along with bolster bow

(see SAE 1700).

✔

CHAMFERED (Preferred)

or LARGE RADIUSED

LEADING EDGE

20ϒ

2˝

min.

40˝

6˝min.

6˝min.

Keep bolts and nuts

clear of this area

Keep path of fifth

wheel free of

large holes

& gouges

✔

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