John Deere GT2554 - Manual (Page 17)

Operating - 13
OPERATING
8. Measure from front of each blade tip to level surface.
Front blade tips must be 6–9 mm (1/4–3/8 in.) lower than
rear blade tips or blades will cut grass twice and tips will
turn brown.
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9. Loosen two rear nuts (B) on front lift rod assembly and
turn two front nuts (C) clockwise to raise front of mower or
counterclockwise to lower front of mower.
10.Tighten rear nuts (B) after adjustment is completed.
11.Check front-to-rear mower measurements and adjust if
necessary.
Testing Safety Systems
Use the following checkout procedure to check for normal
operation of machine.
If there is a malfunction during one of these procedures, Do
not operate machine. See your John Deere dealer for
service.
Perform these tests in a clear open area. Keep bystanders
away.
Testing Indicator Lights
1. Turn key to run position.
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2. Look:
• Oil pressure light (A) on must light.
• Battery discharge light (B) will momentarily light, this
indicates that system is functioning properly. If light
remains on, start engine and move throttle to high idle.
Light should go out.
NOTE: Battery discharge light may remain on for
several minutes while battery is being charged.
3. If one indicator does not light, replace.
4. If new indicator bulb does not light or no indicators work,
see John Deere dealer for service.
B
C
B
c
CAUTION: Avoid injury! Engine exhaust fumes
contain carbon monoxide and can cause
serious illness or death.
Move the vehicle to an outside area before
running the engine.
Do not run an engine in an enclosed area
without adequate ventilation.
• Connect a pipe extension to the engine
exhaust pipe to direct the exhaust fumes out of
the area.
• Allow fresh outside air into the work area to
clear the exhaust fumes out.
B A