Jacobsen 63300, Technical Manual

Page: 34 / 144

8 FLOATING HEAD REEL ADJUSTMENTS
34
8.4 CUTTING HEIGHT _________________________________________________________
Note: Always make the reel to bedknife adjustment
before adjusting height of cut. (Sections 8.2 and 8.3) .
1. Push kickstand down and tip mower back on it’s
handle.
1. Set desired cutting height on the gauge (E) .
a. Measure distance between the underside of
screw head and gauge block surface (F) .
b. Adjust screw (H) to obtain desired height then
tighten the wing nut.
2. Loosen the nuts on the front roller brackets (G) just
enough to allow the adjuster knob (K) to raise or
lower the front roller.
3. Place gauge (E) across bottom of front and rear
rollers near one end of roller.
4. Slide the head of gauge screw (H) over the bedknife
(L) and adjust the knob (K) to close the gap between
the screw head and bedknife. Then tighten locknut
(G) .
5. Repeat Steps 4 and 5 on opposite end. Complete
adjustment to one end before adjusting opposite end.
6. Tighten nuts (G) and recheck each end.
Figure 8E
8.5 REEL BEARING ___________________________________________________________
Any end play or radial play indicates bad bearings, a
weak tension spring or a backed off nut.
1. Check bearing housing mounting hardware. Tighten
or replace components as required. Carefully clean
threads with degreaser.
2. Apply a medium strength grade of Loctite to nut (P) ,
then thread nut onto the reel shaft until the nut is
1-27/32” (46 mm) from the end of the reel shaft.
3. Fill reel bearing housings with NLGI - Grade O
grease after adjusting spring.
Figure 8F
8.6 REEL ASSEMBLY REMOVAL________________________________________________
The reel assembly can be removed for maintenance or to
use a different reel.
1. Remove hairpin and washer and slide the lift hangers
off the pins.
2. Disconnect motor electrical connectors and reel
ground wire.
3. Remove hairpin and flat washer and lift panhard rod
off of reel bolt.
4. Tip the unit back onto the handle and slide the reel
away from the mower.
NOTICE
Gen-Set Power Modules: Do not leave the mower
tipped back for an extended length of time or oil may
migrate into the combustion chamber.
F
K
G
E
H
J
P
P
1-3/4”
(45 mm)
NOTICE
Gen-Set Power Modules: Do not leave the mower
tipped back for an extended length of time or oil may
migrate into the combustion chamber.