Maintenance Section
-141-
Mast Chain Adjustment - FF, FFT Mast
Typical example for FF mast
Typical example for FFT mast
Make sure that mast height is correct. If correct, adjust
chain for equal tension. If not, adjust mast chain for
correct mast height by adjusting anchor nuts (3), (4).
NOTE: See the previous section, “Carriage Roller
Extrusion” in “When Required” for proper inner
mast height.
1. Lift the inner mast and put blocks under the inner
mast to release the tension from the lift chains.
2. Loosen nut(3) and adjust nut(4) to make inner mast
rail flush with outer mast rail bottom.
3. Make adjustment anchor nuts(3),(4) for equal chain
tension.
4. Raise the inner mast and check equal chain tension.
If not equal, repeat the same procedure as step 1
through step 3.
5. Put LOCTITE No. 242 tread lock on the threads of
the anchor nuts(3),(4) after the adjustment is
completed.
Universal Joint - Inspect
1. Inspect for loose retaining bolts. Check for worn or
damaged bearings.
2. Have worn or damaged bearings replaced. Tighten
the bolts if necessary.
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