Safety Interlock System; Starting The Engine - Cub Cadet 17AI2ACP756 Operator's Manual

Rzt series with 50"/54" mower deck
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This engine is certified to operate only on clean,
fresh, unleaded regular gasoline. For best results,
fill the fuel tank with only clean, fresh, unleaded
gasoline with a pump sticker octane rating of 87
or higher.
Unleaded gasoline is recommended because it
leaves less combustion chamber deposits and
reduces
harmful exhaust
emissions.
Leaded
gasoline is not recommended and must not be
used where exhaust emissions are regulated.
NOTE: Purchase gasoline in small quantities. Do not
use gasoline left over from the previous season, to
minimize gum deposits in the fuel system.
Gasohol (up to 10% ethyl alcohol, 90% unleaded
gasoline by volume) is an approved fuel. Other
gasoline/alcohol blends are not approved.
Methyl Tertiary Butyl Ether (MTBE) and unleaded
gasoline blends (up to a maximum of 15% MTBE
by volume) are approved fuels. Other gasoline/
ether blends are not approved.
Check the engine oil level.
Clean the air cleaner element if necessary.
Check the tire inflation pressures.
Adjust the seat for operator's maximum comfort,
visibility and for maintaining complete control of
the tractor.
SAFETY
INTERLOCK
SYSTEM
This tractor is equipped with a safety interlock system
for the protection of the operator. If the interlock
system should
ever malfunction,
do not operate the
tractor. Contact your authorized
Cub Cadet Dealer.
The safety interlock system prevents the engine
from cranking or starting unless the
RH and LH
drive control levers are moved fully outward in the
neutral
position,
the parking
brake is engaged,
and the PTO is disengaged.
To avoid sudden
movement
when disengaging
the parking brake, the safety interlock system will
shut off the engine
if the RH and/or
LH drive
control
levers are moved to a position
other than
the fully out in neutral position when the parking
brake is engaged
The
safety
interlock
system
will
shut
off the
engine
if the operator
leaves
the seat
before
engaging the parking brake.
The
safety
interlock
system
will
shut
off the
engine
if the operator
leaves the seat with the
PTO engaged,
regardless
of whether the parking
brake is engaged.
NOTE:
The PTO switch must be moved
to the
"OFF" position
to restart the engine.
The safety interlocksystem will shut off the PTO
and the mower blades will stop if both drive con-
trol levers are moved into the reverse position.
The PTO will re-engage when one or both of the
levers are moved back to the neutral or forward
position.
STARTING THE ENGINE
WARNING: This unit is equipped with a
safety interlock system designed for the
protection of the operator. Do not oper-
ate the tractor if any part of the interlock
system is malfunctioning.
Periodically
check the functions of the interlock sys-
tem for proper operation.
_1
WARNING:
For
personal
safety,
the
operator must be sitting in the tractor
seat when starting the engine.
Move the RH and LH drive control levers fully out-
ward in the neutral position. Refer to Figure10.
Operator must be sitting in the tractorseat.
Engage the parkingbrake. Refer to Figure 10.
Make certain the PTO switch is in the disen-
gaged (down) position. Refer to Figure 10.
PuU the choke control knob upward to the full
choke position.NOTE: If the engine is warmed
up, it may not be necessary to choke the engine.
Move the throttle control to midway between its
SLOW and FAST positions.
LH Control Lever
RH Control Lever
Out in Neutral
Out in Neutrai
ParkingBrake
Engaged
oL
Throttle Control
to "MID" position
PTO Switch in Down
(Disengaged) Position
Figure 10
Turn the ignition key clockwise
to the "START"
position
and release
it as soon as the engine
starts; however,
do not crank the engine continu-
ously for more than 5 seconds
at a time. If the
14

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Rzt 50Rzt 54

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