MacDon M155 Operators Manual - Manual (Page 192)

OPERATION
12. Disconnect center-link by lifting release (B) and lift
hook (A) off header.
NOTE: If optional center-link self-alignment kit is
installed, lift release (B) and then operate
the link lift cylinder with REEL UP switch
on GSL to disengage the center-link from
the header.
NOTE: If hay conditioner is installed, watch
clearances on both sides.
Figure 4.146: Hydraulic Center-Link
13. Reinstall pin (A) into header leg and secure with a
hairpin (B).
Figure 4.147: Header Stand
Detaching a D-Series Header: Mechanical Center-Link
To detach a D-Series header from an M-Series windrower equipped with mechanical center-link, follow these steps:
DANGER
Stop engine and remove key from ignition before
leaving operator's seat for any reason. A child or
even a pet could engage an idling machine.
1. Start engine and press HEADER UP (A) switch to raise
header to maximum height.
2. If one end of the header does NOT raise completely,
rephase the cylinders as follows:
a. Press and hold the HEADER UP (A) switch on the
ground speed lever (GSL) until both cylinders stop
moving.
b. Continue to hold the switch for 3–4 seconds.
Cylinders are phased.
3. Stop engine and remove key.
Figure 4.148: GSL
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Revision A