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OPERATOR STATION CHECKS--KEY SWITCH ON, ENGINE OFF - Continued
OPERATOR STATION CHECKS--ENGINE ON - Continued

Maintenance Manual For Hydraulic Excavator Model 230Lcr
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TM 5-3805-280-24-1
Operational Checkout Procedure
YES: Go to next check.
PROPEL LEVER AND
A--Propel Lever and Pedal Forward
PEDAL CUSHION
B--Propel Lever and Pedal Rearward
CYLINDER CHECKS
NO: Repair or repair
cushion cylinders. Go to
Engine OFF.
Group 3360.
Push each propel lever and pedal forward (A), then
9005
release.
10
5
Pull each propel lever and pedal rearward (B), then
T7531AO
UN07JUN91
release.
Does each lever and pedal have equal effort to operate
forward and reverse?
Does each lever and pedal return to neutral at the same
time when released?
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2 OPERATOR STATION CHECKS--ENGINE ON
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YES: Go to next check.
MONITOR CIRCUIT,
A--Coolant Temperature Gauge
GAUGE CHECKS
B--Fuel Gauge
NO: Check engine
lubrication system if
Start engine.
engine oil pressure
indicator is on after
Are all monitor indicator lights OFF after engine starts?
engine starts. Go to
Group 9010-15 or Engine
Is coolant temperature gauge needle (A) in normal
Repair chapter.
operating zone after a few minutes?
Check alternator belt if
Does fuel gauge (B) indicate fuel level?
battery light is on after
engine starts. Go to
Stop engine.
Group 0510. If OK, check
fuses, alternator, and
gauges. Go to Group
9015-15.
Check switches, sensors,
and gauges. Go to Group
9015-15.
T102096 UN26JUL96
Check fluid levels.
1/1
2-5


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