Cub Cadet 20HP Z-Force 44 - Manual (Page 23)

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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 transaxles 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 five 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.
3. Check fluid level in the transaxle expansion
tank. The level should be maintained
between 1/2” and 1” when “cold”.
C. Every 50 Hour Checks (or annually if
less than 50 Hours)
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”.
E. Every 300 Hour Checks
1. Change the hydrostatic fluid in the transaxles.
2. Change the filter in the transaxels.
* Perform maintenance more frequently under dusty
conditions.
**Reference Engine Owner’s Manual