GB-20
GB
JACOBSEN G-PLEX III Series: DN & DP
MAINTENANCE AND PARTS MANUAL
6 ADJUSTMENT
6.1 LEVELING LINKAGE FOR THE FRONT
CUTTING HEADS
Fig. 6.1.1
A. Connector to main frame (DO NOT adjust)
B. Springs
C. Lock collar
D. Jam nut
E. Adjusting connector
F. Adjusting connector secures to lift arm
This procedure must be performed as
specified and only by properly trained
service personnel.
During this entire procedure the reel
enable switch must be in the off position.
Turning on the reel enable switch will
result in damage to the unit and/or
serious personal injury or death to you
the operator or bystanders
WARNING
NOTICE
The dimensions in figure 6.1.1 are factory
preset and the leveling linkage should not
need adjusting. After some time the
linkage may require some adjusting. If it
is required, only make adjustments on the
adjusting connector (E Fig. 6.1.1).
1. With the unit on a level surface
(recommend concrete surface), place
cardboard underneath all three of the
cutting heads.
2. An additional person is needed to stand 3
meters in front of the unit to check on how
level the front heads are when lowering.
Lower the cutting heads and ensure the
entire width of the front heads are parallel
with the level surface as the heads touch
the cardboard.
3. If they do not touch evenly, make an
adjustment using the adjusting connector.
Repeat procedure as needed until the two
front heads touch evenly on the level
surface.
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