Maintenance; General; Inspecting Blades; Maintenance 4.1 General - Jacobsen HR 5111 Parts And Maintenance Manual

4

MAINTENANCE

4.1

GENERAL ________________________________________________________________

!
Before you clean, adjust, or repair this equipment,
disengage all drives, lower implements to the ground,
engage parking brake, stop engine and remove key from
ignition switch to prevent injuries
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.
1. Adjustment and maintenance should always be
performed by a
adjustments cannot be made, contact an Authorized
Textron Turf Care And Specialty Products Dealer.
2. Inspect the equipment on a regular basis, establish a
maintenance schedule and keep detailed records.
a. Keep the equipment clean.
4.2

INSPECTING BLADES ______________________________________________________

1. Every 50 hours of operation or whenever mower is
removed from tractor, carefully examine the blades to
make sure they are in good operating condition.
Blades showing any bends (G), grooves (H) or
cracks (J) must be replaced.
!
Use care when checking blades to avoid pinching hands
and fingers between blade ends.
!
Never attempt to straighten, weld or repair a damaged
blade. Always replace a damaged blade.
2. Any of the above conditions can cause a piece of
the blade to break away and be hurled from the
mower; causing very serious injury to bystanders or
property damage.
3. A bent blade could have a microscopic crack (G)
that can grow and allow a piece of the blade to
break. Bent blades will also create vibration and
other stress on the machinery.
4. Dust or sand particles can wear a dangerous groove
in the blade (H) between the air vanes and the flat
portion of the blade that will rapidly grow and
produce a crack (J), permitting a piece of the vane
to break off.
WARNING
qualified technician.
CAUTION
WARNING
b. Keep all moving parts properly adjusted and lubri-
cated.
c. Replace worn or damaged parts before operating
the machine.
d. Keep all fluids at their proper levels.
e. Keep shields in place and all hardware securely
fastened.
f. Keep tires properly inflated.
3. Long hair, jewelry or loose fitting clothing may get
tangled in moving parts.
If proper 4. Use the illustrations in the Parts Catalog as reference
for the disassembly and reassembly of components.
5. Recycle or dispose of all hazardous materials
(batteries, fuel, lubricants, anti-freeze, etc.) according
to local, state or federal regulations.
G
MAINTENANCE
H
4
J
HR025
Figure 4A
GB-17