REV K 4-2 605596
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 (30 amp) in the
electrical system. This is the main fuse to protect the
complete electrical system. It is located to the left of the
engine.
Figure 4-1
Kohler EFI engine fuses
Mowers equipped with the Kohler EFI engines have three
(3) engine fuses. Refer to the Kohler engine owner’s manual
for detailed information.
Figure 4-2
Hydraulic System
NOTE: Refer to the General Service Manual (P/N 121363)
for complete hydraulic oil and filter change procedures.
This mower is equipped with two integrated hydrostatic
transmissions.
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.
Each transaxle has its own hydraulic expansion tank. The
tanks are located in front of the engine and behind the
operator’s platform.
Figure 4-3
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.
The mower ships from the factory with SAE 20W50 motor oil
in the system. Use SAE 20W50 motor oil, 15W50 synthetic oil or
20W50 synthetic oil when changing the system oil and filter.
For maximum transmission life use Hustler
®
Full Synthetic
20W50 Hydrostatic Transmission Oil.
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 transmission every 2 years or
200 hours, whichever comes first. NOTE: The filter guard
must be removed to access the filter.
Figure 4-4
A. Master fuse housing
Figure 4-1
A
A. Engine fuses
Figure 4-2
A
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