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Section 5: Maintenance & Lubrication
Fuel Filter
Refer to Figure 5-14:
!
DANGER
Close fuel shut-off valve before replacing fuel filter to keep
fuel from leaking out and creating a fire/explosion hazard.
The fuel filter is installed in the fuel line between the
Left/Right Fuel Tank Valve and engine fuel pump.
Location of fuel filter will vary depending on which engine
your mower is equipped with. See engine owner's
manuals for exact location of fuel filter and instructions
on removal and installation.
Refer to Figure 5-14 & Figure 5-16 on page 45:
Replace fuel filter (#6) annually at the beginning of each
mowing season or after every 100 hours of operation,
whichever occurs first. (Plugged filter considered
maintenance item) This will keep the fuel filter from
becoming plugged causing poor engine performance
and unexpected down time. Be sure to install filter with
Flow Arrow pointing towards engine side of fuel line.
6
(Flow Arrow) Indicates direction
fuel must flow through the filter.
Fuel Filter
Figure 5-14
Draining The Fuel Tank
1. Park unit on a flat surface. Make sure blade
engagement switch is in the down (OFF) position.
Place both control levers in park. Stop engine and
remove ignition key.
2. Disconnect negative battery cable.
Left/Right Fuel Tank Valve Center
Position "O" as Shown is OFF
Left Tank Fuel Line
Engine Fuel Line
Fuel Lines (Raise Seat Platform to Access)
Figure 5-15
44
ZT60i & ZT72i (S/N 748109-) Accu-Z
Table of Contents
23803
Right Tank Fuel Line
30102
®
Zero Turn Mowers 357-398M
Refer to Figure 5-15:
3. Trace fuel line from the tank to the Left/Right Fuel
Tank Valve located under the seat. Remove fuel line
hose clamp at the valve and remove fuel line.
4. Place end of fuel line into a gas can or a drain pan to
drain fuel tank.
5. When fuel tank is drained, reattach fuel line to the
left/right fuel tank valve with previously removed
hose clamp.
General Engine Maintenance
Detailed instructions and recommendations for break-in
and general maintenance are specified in the Engine
Operator's Manual. Please refer to this manual for engine
servicing, lubricating oil levels with capacity and viscosity
recommendations, bolt torques, etc. The engine
warranty is backed by the engine manufacturer.
Special attention should be paid to applicable data which
is not duplicated here.
Engine Oil & Oil Filter
Refer to Figure 5-16 on page 45:
See "Engine Specifications" on page 55 and Engine
Operator's Manual for oil type, capacity and maintenance
schedule. Check oil daily and after every 4 hours of
operation. Mower must be sitting level when checking oil.
Change engine oil and oil filter after the first 5 hours of
operation and per engine manufacturer's
recommendations thereafter. Change oil more frequently
if mower is operated in extremely dirty conditions.
IMPORTANT: Make certain engine is level and you
are inserting the dipstick correctly when checking
oil. Incorrect oil levels can cause engine problems.
Check Engine Oil
Refer to Figure 5-16 on page 45:
1. Park on a level surface, shut engine off and allow
time for oil to cool and drain into the sump.
2. Clean area around oil fill cap/dipstick (#1) of dirt and
debris before removing it. Unscrew oil fill cap and
wipe dipstick clean.
3. Check oil level on dipstick by insert dipstick fully in
without screwing it in and removing again to check
oil level.
4. If oil level on the dipstick is near or below lower limit
mark on dipstick, add recommended oil until it
reaches the full mark. Do not overfill.
5. Reinstall oil filler cap/dipstick by screwing it in firmly.
Change Engine Oil
Refer to Figure 5-16 on page 45:
1. Park unit on a flat surface. Make sure blade
engagement switch is (OFF), both control levers are
(OUT) and park brake is (ON). Stop engine and
remove ignition key.
2. Place a suitable container on the ground beneath
drain tube (#4).
4/1213
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