Adjustments; General; Ball Joints; Engine Alternator Belt - Jacobsen R-311T Maintenance Manual

3

ADJUSTMENTS

3 ADJUSTMENTS
3.1

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 mower is parked on a solid and level
surface. Never work on a mower that is supported
only by the jack. Always use jack stands.
If only the front or rear of the mower 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
adjustment cannot be made, contact an authorized
Jacobsen Dealer.
3.2

BALL JOINTS_____________________________________________________________

When adjusting ball joints, be sure cut-out in ball joint is
parallel to the mounting bracket, then secure in place.
3.3

ENGINE ALTERNATOR BELT _______________________________________________

1. Inspect and adjust new alternator belt after the first
10 hours of operation. Check and adjust every 100
hours thereafter.
2. Adjust the alternator pulley so the belt deflects 9/32
to 11/32 in. (7 - 9 mm) with 22 lb. (10 kg) push at
midpoint between pulleys. Refer to your engine
manual.
3. To adjust, loosen alternator mounting bolts (A), and
adjust alternator until the proper belt tension is
achieved.
10
2. Replace, do not
components.
3. Long hair, jewelry, or loose fitting clothing may get
tangled in moving parts.
!
CAUTION
Be careful to prevent entrapment of the hands and
fingers between moving and fixed components of the
machine.
4. Do not change governor settings or overspeed the
engine.
INCORRECT CORRECT
adjust, worn or damaged
Must be parallel
after assembly
within 1/4 in.
(6 mm) per foot.
Figure 3A
A
Figure 3B