John Deere PR-G7500M - Manual (Page 21)

Operator’s Manual 21
SERVICE
MAINTENANCE
EVAPORATIVE EMISSION COMPONENTS:
The unit you have purchased includes the following compo-
nents that are in compliance with 2008 California Air Resources
Board Evaporative Emission Standards;
1. Fuel Hose
2. Fuel Hose Fittings
These components should be inspected on a daily basis for
cracks, leaks, and abnormal wear. If cracking, leaks or abnor-
mal wear has occurred, the components should be replaced
immediately.
ENGINE:
The engine for this generator is governed to operate at speeds
close to 3600 RPM (60Hz) throughout the operating load range.
The no load speed (before a load is applied) will be just a bit
higher than the load speed and is normally set to 3750 RPM.
WARNING: DO NOT TAMPER WITH THE GOVERNOR
MECHANISM, CHANGE THE SETTING
EXPERIMENTALLY, OR PUSH THE THROTTLE OPEN
IN AN ATTEMPT TO GENERATE MORE ELECTRICAL
CURRENT; EQUIPMENT DAMAGE OR PERSONAL
INJURY MAY RESULT.
GOVERNOR SPEED ADJUSTMENT SHOULD BE MADE
ONLY BY A JOHN DEERE CUSTOMER SERVICE
REPRESENTATIVE.
CHECKING ENGINE OIL:
Check oil level before each operation and ensure that it is
maintained per Preparing the Generator; Engine Oil Capacity
section.
CHANGING ENGINE OIL:
Change oil after the first 20 hours of operation. Thereafter it
should be changed every 100 hours.
1. Make sure the unit is on level ground. Run the engine to warm
the oil.
2. Stop the engine.
3. Remove the oil drain plug. (See Fig. 6)
CAUTION: OIL BEING DRAINED MAY BE HOT. TO
REDUCE THE RISK OF BURN INJURY, HANDLE WITH
CARE. DISPOSE OF USED OIL PROPERLY.
4. Drain oil while engine is warm, into a suitable container.
5. Reinstall the oil drain plug.
6. Remove oil gauge and refill with new oil. (Fig. 7)
7. Check the oil level as instructed in Preparing the Generator;
Engine Oil Capacity section.
8. Wipe up any spilled oil.
(Fig. 6)
OIL DRAIN PLUG
UPPER LEVEL
(Fig. 7)