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Section 4 Maintenance and Lubrication
03/11/03
Z52®, Z60® & Z72® Zero Turning Radius Mowers Accu-Z 356-005M
Land Pride
Do not re-use spindle bolts which have stripped, worn or
undercut threads. Refer to “Torque Values Chart” on
page 44 when replacing hardware for proper torque.
!
WARNING!
When mounting blades, rotate them after installation to ensure
blade tips do not touch each other or sides of the mower.
!
WARNING!
Failure to correctly torque the bolt may result in the loss of the
blade which can cause serious injury.
STORAGE
When storing the unit at the end of the mowing season,
the following steps should be taken to ensure readiness
for the next mowing season.
1. Remove all grass, dirt, and trash. Clean and touch up
all scrapes with Land Pride spray paint.
2. Clean paper air filter. Replace if necessary. Wash and
re-oil foam pre-cleaner.
3. Check thoroughly for any worn or damaged parts that
need replacing and order them from your dealer.
4. Thoroughly lubricate machine, according to
lubrication instructions.
5. Check hydraulic oillevel. Add oil if necessary. Change
oil and filter if not done in last 500 hours. Lubrizol
additive is required. Refer to Maintenance section.
6. Block mower up so weight is off tires.
7. Protect battery from freezing temperatures.
Occasionally recharging battery during storage will
extend battery life.
8. Perform separate engine preparation as listed below.
9. Store mower in a clean, dry place.
Preparation of Engine for Storage
When engine is to be unused for long periods, proceed as
follows:
1. Run engine for a minimum of 15 minutes.
2. Drain oil from crankcase while engine is still warm.
3. Refill with fresh oil of proper viscosity.
4. Drain fuel tank and run the engine until it stops from
lackof fuel.Gasoline evaporates if left in carburetor for
long periods, forming gum and varnish deposits in
carburetor. These deposits will cause engine flooding
and loss of power.
5. Remove and replace fuel filter if not done in previous
100 hours.
6. Remove spark plugs and pour a tablespoon of engine
oil into each spark plug hole. Install plugs, but do not
reconnect plug leads.
7. Crank engine with starter at least a dozen revolutions
to distribute oil over cylinder walls and valve
mechanism.
8. Clean exterior surface of engine. Spread a lightfilm of
oil over any exposed metal surfacesof engine that are
subject to corrosion.
9. Clean dirt and chaff from cylinders and fins, blower
housing and muffler.
10. Check oil filler cap and fuel tank cap to make certain
they are securely in place.
New Season Preparation
Before starting the mower following post season storage,
the following servicing is required:
1. Clean mower, removing trash and dirt accumulation.
2. Check engine oil and hydraulic oil levels.
3. Fill fuel tank with fresh gasoline. Run machine at half
speed for 5 minutes, checking operation of steering
control levers. Stop engine and check for oil leaks,
loose fittings and so forth.
4. Tighten any bolts that have loosened and make sure
all hair pins, cotter pins and clevis pins are in place.
5. Install all safety shields and review safety precautions
listed in this manual.
6. Check and inflate tires to 8-12 psi.
7. Reconnect spark plug leads to spark plug.
19076
19077
Warped Blade (Replace)
Straight Blade
Comparison of Warped and Straight Blades
Figure 4-14
Cutting Plane
End View of Blades, Twisted & Straight Blades
Figure 4-15
Cutting Plane
Cutting Edge
Cutting Edge
Twisted Blade Edge (Replace)
Straight Blade Edge
NOTE: Do not deflate tires.