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

Operator Manual For Hydraulic Excavator Model 330Lcr
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TM 5-3805-281-10
Operational Checkout
YES: Go to next check.
FLUID LEVEL
A--Level Check Switch
(COOLANT, HYDRAULIC
B--Hydraulic Oil Level Indicator
OIL, AND ENGINE OIL)
C--Coolant Level Indicator
NO: Check fluid levels in
INDICATOR CIRCUIT
D--Engine Oil Level Indicator
radiator, recovery tank,
CHECKS
hydraulic reservoir, or
engine. If ok, check fluid
Engine OFF.
level sensing switch for
wiring. Check monitor
Key switch ON.
fuse. If fuse is OK, go to
your authorized dealer.
Push and hold level check switch (A).
Are the hydraulic oil level (B), coolant level (C), and
engine oil level (D) indicator lights ON?
T107699 UN27FEB97
1/1
YES: Go to next check.
PROPEL LEVER AND
A--Propel Lever And Pedal Forward
PEDAL CUSHION
B--Propel Lever And Pedal Rearward
NO: Go to your
CYLINDER CHECKS
authorized dealer.
Engine OFF.
Push each propel lever and pedal forward (A), then
release.
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?
1/1
19-3


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