John Deere POWERTECH 4045 - Manual (Page 160)

Lubrication & Maintenance/500 Hour/12 Month
OURGP12,00001DB –19–27JUL06–1/1
Checking and Adjusting Engine Speeds
RG12607
–UN–24OCT02
Using Tachometer to Check Engine Speeds
A—Tachometer
If equipped with a tachometer (A) on the instrument panel,
observe tachometer reading to verify engine speeds.
(Refer to ENGINE POWER RATINGS AND FUEL
SYSTEM SPECIFICATIONS in Specifications Section
later in this manual for engine speed specifications.) If
engine speed adjustment is required, see your authorized
servicing dealer or engine distributor.
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080706
PN=158