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Section 5 – Procedures Mast Roller Replacement
3. Lift mast section 4 over the mast column, then
slowly and carefully lower the section in place,
make sure the harnesses and the control cable
enclosure box are clear at the top.
4. Lower mast section 4 enough to connect the
chain block tensioner. Push the mast section
slightly forward to allow the chain tensioner to
pass through the mast section. Apply Loctite 242
(blue) to the threads of the four bolts and install
them with flat washers.
Chain Block
Tensioner
Figure 58 Chain Tensioner Installation (Section 4)
5. Lower the section until the bottom end of the
mast is in a suitable working height to install the
lower wear pads.
6. Install the rear (short) wear pads with the 10-32
x 3/8” screws. Install the front (long) wear pads
using 3/16’’ x 1/4’’-3/8’’ rivets.
Rear Wear
Pads
Front Wear
Pads
Section 3
Figure 59 Wear Pads Installation (Section 4)
7. Fully lower mast section 4. Guide the electrical
harnesses and the control cable enclosure out
of the mast column.
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