Engine; Engine Oil; Muffler And Exhaust - Jacobsen HR 9016 Turbo Parts & Maintenance Manual

4.4

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
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
4.5

ENGINE OIL ______________________________________________________________

Check the engine oil at the start of each day, before
starting the engine. If the oil level is low, remove oil filler
cap and add oil as required up to MAX mark on dipstick.
Perform initial oil change after first 25 hours of operation
and every 250 hours thereafter. See Engine Manual.
4.6

MUFFLER AND EXHAUST___________________________________________________

!
WARNING
Exhaust fumes contain carbon monoxide that is toxic
and can be fatal when inhaled.
NEVER operate an engine without proper ventilation.
attention to the engine
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 5 and Engine Manual for specific
maintenance intervals and procedures.
6. Always allow the engine to be properly warmed up
before operating in both cold and warm seasons.
Warm up the engine at approximately half throttle
without load. Failure to properly warm up the engine
can shorten engine life.
If the injection pump, injectors, or the fuel system require
service, contact an authorized Jacobsen Dealer.
Note: 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.
Use engine oil with API classification CD-II, CE, CF-4.
See Engine Manual for complete specifications.
- 20˚C
- 4˚F
SAE 15W-40
To protect from carbon monoxide poisoning, inspect the
complete exhaust system regularly and always replace a
defective muffler. If you notice a change in the color or
sound of the exhaust, stop the engine immediately.
Identify the problem, and have the system repaired.
Torque all exhaust manifold hardware evenly. Tighten or
replace exhaust clamps.
MAINTENANCE
Figure 4D
4
+45˚C
+113˚F
HR005
en-21