REV D 4-2 114510
Electrical System
IMPORTANT: Refer to the Safety section of this manual for
detailed battery servicing safety information.
Electric start mowers only
The electrical system is a 12 volt, negative ground. The
recommended battery size is:
Garden tractor BCI group U1R with a 225 or better
cranking AMP rating
A maintenance-free battery is recommended. Otherwise,
follow battery manufacturer’s maintenance, safety, storing
and charging specifications.
Master in-line fuse
These mowers have a master in-line fuse in the electrical
system. This is the main fuse to protect the complete
electrical system. It is located below the right front of the
fuel tank.
Figure 4-1
Hydraulic System
This mower is equipped with two integrated hydrostatic
transmissions (transaxles).
IMPORTANT: Never use hydraulic or automatic
transmission fluid in this system; use only the specified
motor oil. Remember, dirt is the primary enemy of any
hydraulic system.
The hydraulic expansion tank is located behind the left rear
corner of the engine. Figure 4-2
Check the oil level in the hydraulic system after every 50
hours of operation or weekly, whichever occurs first. Check
more often if the system appears to be leaking or otherwise
malfunctioning.
When the hydraulic system oil is cold, the fluid level should
be at the “Full Cold” line on the expansion tank.
Initial system oil and filter change must be after the first 75
hours of use or 1 year whichever comes first. Thereafter,
replace filter and oil in each transaxle every 2 years or 200
hours, whichever comes first.
Use SAE 20W50 motor oil or 15W50 synthetic oil when
changing the system oil and filter. However, for maximum
transmission life use Hustler
®
100% synthetic 20W50.
NOTE: The filter guard must be removed to access the
filter. Figure 4-3
Each transaxle’s filter is located per Figure 4-3. A standard
oil filter wrench is used to change filter; threads are right
handed. Use a Hustler
®
approved filter element only.
IMPORTANT: When washing the mower, direct the spray
away (especially if using a power washer) from the
transaxle’s seals to prevent water intrusion and to ensure
component performance.
A. Fuel tank B. Master fuse housing
Figure 4-1
A
B
A. Expansion tank
Figure 4-2
A. Filter B. Filter guard
Figure 4-3
A
A
B
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