Z Force
14
9.11. Test the operation of the mower and reverse
safety circuits in a safe area before returning the
unit to service. With the engine running, and the
PTO switch turned on:
• The blades should turn when both lap bars are in
the forward position.
• The blades should turn when one lap bar is in
the forward position, and the other is in neutral
or reverse.
• The blades should stop turning when both lap
bars are in non-forward (neutral or reverse) posi-
tion.
• The blades should begin turning again when
either lap bar is moved to the forward position.
• The Z-Force is unique in the Cub Cadet product
line in that the PTO switch does not need to be
re-set after a safety switch PTO shut-down. As
soon as at least one lap bar is pushed forward,
the blades will begin turning.
NOTE: Because this procedure involves safety
switch testing and adjustment, extreme caution
should be used in testing the operation of the Z-
Force.
10. ELECTRICAL SYSTEM COMPONENTS
This section is intended to help technicians identify the
location and function of specific components in the Z-
Force electrical system. In diagnosing an electrical
problem, this section may be used for reference in con-
junction with a wiring diagram.
10.1. The Seat Safety Switch is located in the seat
assembly. The contacts in the switch are nor-
mally closed (N.C.). When the seat is unoccu-
pied, the contacts close, energizing relay #2 and
relay # 3. When relay #2 is energized, and relay
#1 is energized by the release of the parking
brake, a ground path is completed to the mag-
neto, turning off the engine.
See Figure 10.1.
NOTE: A pair of contacts are built into the har-
ness side of the plug, so that customers cannot
defeat the seat safety switch by simply unplug-
ging it. It will default into a closed circuit condi-
tion if unplugged. for diagnostic purposes, the
seat safety switch may be temporarily disabled
by a servicing dealer by pressing on the seat
directly above the switch. This will extend three
tabs. One of the tabs can be held in the
extended position using an alligator clip or simi-
lar device. Care must be taken not to return the
Z-Force to the customer with the seat safety
switch defeated.
Figure 10.1
Seat switch
(168 pages)
(23 pages)
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