Jacobsen TR3 EJ Series, Safety, Operation And Maintenance Manual, Page: 61 / 186

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9.12 CUTTING HEIGHT - FIXED MODE
1. Assemble the front roller adjuster (B) (If a
roller is used) to holes number 2 and 4 only
of the mower frame. Do not use holes
number 1 and 3.
2. Reposition the rear roller adjuster.
a. For cutting heights from 9 to 44 mm,
use holes 6 and 8 on the mower frame
and two holes (shown in black) of the
height adjuster (F) as shown in Figure.
b. For cutting heights greater than 44 mm
disassemble adjuster (F) and turn the
mounting bracket upside down; then use
holes 5 and 7 of the frame and the two
holes (shown in black) of the adjuster (F).
3. Place spacers of the desired height (J)
under each end of the reel, adjacent to the
front edge of the bed-knife. (Figure 4R)
4. Loosen nut (G) and lower rear roller to the
ground. Tighten nut (E) against the adjuster
then recheck the setting on both sides of
the reel. Readjust if necessary.
5. Raise the front roller (if used) 6 mm higher
than the rear.
TK25
G
J
F
E
A
B
1
2
3
4
5
6
7
8
U
T
S
R
N
M
N
M
B
E
F
G
TK20
ADJUSTMENTS 9