Adjustments; General; Leveling Decks - Jacobsen 70528 Parts & Maintenance Manual

3

ADJUSTMENTS

3.1 3 ADJUSTMENTS

GENERAL________________________________________________________________

!
WARNING
To prevent injury, lower implements to the ground,
disengage all drives, engage parking brake, stop
engine and remove key from ignition switch before
making any adjustments or performing maintenance.
Make sure the tractor is parked on a solid and level
surface. Never work on a tractor that is supported only
by the jack. Always use jack stands.
If only the front or rear of the tractor is raised, place
chocks in front of and behind the wheels that are not
raised.
1. Adjustments and maintenance should always be
performed by a qualified technician. If proper
3.2

LEVELING DECKS_________________________________________________________

If the decks or casters have been removed for service or
cutting height appears uneven, it may be necessary to
level decks. Adjust casters so cutting heights of outer
blades are within 1/8" (3 mm) of each other.
1. Position tractor and decks on a hard, flat, level
surface. Position blades parallel to tractor as shown.
2. Check that air pressure in all caster tires is adjusted
equally.
L
B
8
B
B
adjustment cannot be made, contact an authorized
Jacobsen Dealer.
2. Replace, do
components.
3. Do not wear jewelry or loose fitting clothing when
making adjustments or repairs.
Be careful to prevent entrapment of the hands and
fingers between moving and fixed components of the
4. Do not change governor settings or overspeed the
engine.
3. Set desired cutting height of deck using the 1/2" (13
mm) spacers (E) provided. See Section 3.5
4. Measure the height from the ground surface to the
front edge (B) of the two outer blades for the wing
decks and the center section of the front deck.
Position the 1/8" (3 mm) leveling washers (C) above
or below caster pivot as needed to obtain an even
cutting height across decks. Keep the 1/16" (1.5
mm) thrust washers (D) positioned as shown, one
above and one below caster pivot.
L
B
B
not adjust, worn
!
CAUTION
machine.
C
D
C
or damaged
E
HR018
Figure 3A