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18 Owner Service
MAN0875 (2/8/2011)
HYDROSTATIC TRANSMISSION SERVICE
NOTICE
■ Keep transmission oil clean. When adding fluid
take precautions to prevent dirt and other foreign
material from entering the system.
NOTE: Check fluid level every 8 hours of operation.
1. Place power unit on a level surface.
2. Stop engine; remove key and clean off dirt and
dust from around cap on top of hydraulic reservoir,
located behind left tire.
3. Remove cap and look inside reservoir to check
fluid level. Check oil against notch in center of
reservoir; hot oil should be to the top of the divider,
cold oil should be to the bottom of the notch. See
Figure 7.
4. Add oil as necessary.
5. Check cooling fins and fan blades for debris; they
should be free of foreign material. Clean as
necessary.
Figure 7. Hydraulic Tank
HYDRAULIC TRANSMISSION - CHANGE
OIL & FILTER
NOTE: Change oil and filter every 1000 hours under
normal mowing conditions.
NOTE: Change oil and filter every 500 hours when
using a grass catcher or when operating in ambient
temperature above 100°F for any extended period.
1. Place power unit on a level surface.
2. Stop engine; remove key.
3. Remove case drain hose fitting from bottom of
reservoir, located outside of power unit frame.
Allow reservoir to completely drain.
4. Remove automotive type filter (Figure 7) by turning
counter-clockwise.
5. Replace filter by turning until gasket is seated; then
turn an additional 3/4 turn.
6. Replace hose fitting and fill reservoir with 5 quarts
of 20W-50 motor oil.
NOTE: The transmissions do not need to be individu-
ally drained; they will drain through the fluid reservoir.
SERVICE BATTERY
Battery posts, terminals, wiring insulation, and
related accessories contain lead and lead com-
pounds, chemicals known to the State of California
to cause cancer and birth defects or other repro-
ductive harm. WASH HANDS AFTER HANDLING.
Use care to prevent battery acid from contacting
skin.
Figure 8. Battery Located Under Seat
Refer to Figure 8.
Clean battery at least once a season by following these
steps:
1. Inspect cables for deterioration and loose
connections.
2. Clean terminals.
CAUTION