MAINTENANCE 4
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4.1 GENERAL ________________________________________________________________
1. Adjustment and maintenance should always be
performed by a qualified technician. If proper
adjustments cannot be made, contact an Authorized
Jacobsen Dealer.
2. Inspect the equipment on a regular basis, establish a
maintenance schedule, and keep detailed records.
a. Keep the equipment clean.
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 fas-
tened.
f. Keep tires properly inflated.
3. Do not wear jewelry or loose fitting clothing when
making adjustments or repairs.
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.
4.2 ENGINE _________________________________________________________________
IMPORTANT: A separate Engine Manual, prepared by
the engine manufacturer, is supplied with this mower.
Read the Engine Manual carefully until you are familiar
with the operation and maintenance of the engine.
Proper attention to the engine manufacturer’s
directions will assure maximum service life of the
engine. To order replacement engine manuals contact
the engine manufacturer.
The proper break-in of a new engine can make a
considerable difference to the performance and life of the
engine.
During the break-in period, Jacobsen recommends the
following:
1. During the first 50 hours of operation, a new engine
should be allowed to reach an operating temperature of
at least 140°F (60°C) prior to operation at full load.
2. Check the engine oil level twice daily during the first 50
hours of operation. Higher than normal oil consumption
is not uncommon during the initial break-in period.
3. Change engine oil and oil filter element after first 50
hours of operation.
4. Check and adjust fan and alternator belts.
5. Refer to Section 6.3 and Engine Manual for specific
maintenance intervals.
If the injection pump, injectors, or the fuel system require
service, contact an authorized Jacobsen Dealer.
WARNING
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 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.
NOTICE
The mower is designed to operate and cut most
efficiently at the preset governor setting. Do not change
the engine governor settings or overspeed the engine.
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