Maintenance Schedule - Cub Cadet 20HP Z-Force 44 Operator's And Service Manual

deposits from forming. Replace the fuel fil-
ter.
g. Gasoline Engine Only: Remove the spark
plugs and pour approximately one ounce
of oil into each cylinder. Crank the engine
one or two turns to spread the oil evenly on
the cylinder walls. Replace the spark
plugs.
h. Clean the battery and make sure it is fully
charged.
i. Jack the mower up and store it on blocks to
take the weight off of the tires.
2. To Put the Mower Back in Service:
a. Check the battery. Charge if necessary.
b. Gasoline Engine Only: Remove the spark
plugs and wipe them off. Using the starter,
crank the engine to pump the excess oil
out of the spark plug holes. Replace the
spark plugs and the ignition leads. Refill
the fuel tank with fresh gasoline.
c. Check the level of the oil in the crankcase
and the hydraulic tank.
d. Lower the mower off the block and check
the tire pressure.
e. Push the mower outdoors and start the
engine. Let the engine idle until it has
warmed up completely (4 to 5 minutes).

MAINTENANCE SCHEDULE

A. Daily Checks
1. Before starting engine:
a. Check the fuel level by viewing in the tank.
b. Check the engine oil level.**
c. Check the hydraulic transaxels for leaks.
d. Check the tires and tire pressure.
Drive Tires: 8-10 psi.
Front Caster Wheels: 20-25 psi.
e. Check the spindle belt, the mower drive
belt and the hydro drive belt.
f. Check the blades. Make sure they are
sharp and that the blade securing cap
screws are tight.
g. Check the cutting height.
2. When ready to start the engine:
a. Check the seven safety switches for proper
operation.
3. After mowing:
a. Clean the mower.
b. Clean the engine air screen.
c. lubricate the wear points. Follow the Lubri-
cation Chart.
d. After the first five hours, change the engine
oil and engine oil filter.
B. Every 25 Hour Checks
1. Service the engine foam element air cleaner.*
2. Grease the three spindle bearings.
C. Every 50 Hour Checks
1. Change the engine oil. (Every 25 hours under
heavy duty operation.)
2. Clean or replace the engine's paper air
cleaner element.*
3. Check the battery's electrolyte level, if
equipped with fill caps.
4. Clean the engine cooling fins and external
surfaces.*
5. Lubricate wear points. Follow the Oil Chart.
6. Lubricate all grease fittings. Follow the
Lubrication Chart.
D. Every 100 Hour Checks
1. Change the engine oil filter. (Every 50 hours
under heavy duty operation.)
2. Check the engine spark plugs.
3. Check the air gap on the blade brake clutch
(PTO Clutch) and if it exceeds 0.025" adjust to
0.012" - 0.015".
* Perform maintenance more frequently under dusty
**Reference Engine Owner's Manual
22
conditions.