Jacobsen TR3 EJ Series, Safety, Operation And Maintenance Manual, Page: 62 / 186

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9.13 CUTTING HEIGHT - FLOATING MODE
1. Assemble the front roller adjuster to holes
number 2 and 4 only of the mower frame.
Do not use hole numbers 1 and 3.
2. Reposition the rear roller adjusters (F).
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
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 adjuster (F).
3. Adjust height gauge (P) to the desired
cutting height. Loosen nut (K) and adjust
screw (L) to obtin dimension (X) then lock
nut (K) against the gauge (P).
4. Place one end of the gauge against the front
roller at either side of the reel, and slide the
head of screw (L) over the bedknife.
a. Adjust nut (G ) to lower the rear roller
to the gauge, then tighten nut (E) against
the adjuster.
b. Move the gauge to the other side of
the reel and repeat Steps 4a and 4b.
Range of Cut
Safe Operating Range
Grooved Roller Solid Roller Front Rear
9mm - 19mm 9mm - 16mm R M
19mm - 32mm 16mm - 28mm S M
32mm - 44mm 28mm - 41mm T M
44mm - 57mm 41mm - 54mm U N
Front Roller
P
Rear Roller
X-Cutting Height
K
L
TK27
1
2
3
4
5
6
7
8
U
T
S
R
N
M
N
M
B
E
F
G
TK20
9 ADJUSTMENTS