MacDon PW8 Pick-Up Header - Manual (Page 160)

MAINTENANCE AND SERVICING
5. Tighten nuts (B) and (C).
Figure 4.149
6. For remaining rods (A), loosen adjacent nuts (B), and
repeat Step 4., Replacing Fiberglass Rods, page 151 .
7. Tighten nuts (B).
Figure 4.150
4.9.2 Replacing Hold-Down Hydraulic Cylinders
The hold-down is raised and lowered by two single acting hydraulic cylinders.
The operation of the cylinders can be adversely affected by air in the system or failure of the seals in the cylinders,
in which case the cylinders need to be removed and repaired, or replaced.
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Revision A