Cub-cadet Z - Wing 48 User Manual download pdf (Page 22)

leys and blades. (Be careful not to get any

oil on the drive belts.)

d. Lubricate the mower.

e. Drain the engine oil. The engine should be

warm so that all the oil drains. Replace the

engine oil filter and refill the crankcase with

fresh oil.

f. Gasoline Engine: Drain all the fuel. Close

the fuel tank shutoff valve. Disconnect the

fuel line from the carbuetor and put the end

into an approved fuel container. Open the

fuel tank shutoff valve and drain the fuel

tank and line into the approved container.

Replace the fuel line on the carburetor.

Start the engine and allow it to run out of

fuel. This will prevent gum and varnish

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. Disconnect, clean and make sure the bat-

tery is fully charged.

i. Inspect the hydraulic hoses, lines and fit-

tings. Replace as necessary.

j. 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.**

b. Check the engine oil level.**

c. Check the hydraulic oil level.

d. Check the hydraulic hoses for leaks, abra-

sion, kinks, twists, or a flattened condition.

e. Check the tires and tire pressure.

Drive Tires: 10-12 psi.

Front Caster Wheels: 20-25 psi.

f. Check the spindle belt, the mower drive

belt and the hydro drive belt.

g. Check the blades. Make sure they are

sharp and that the blade securing bolts

and nuts are tight.

h. 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. Oil the wear points. Follow the Oiling

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 pre-

cleaner.*

2. Grease the three spindle bearings.

C. Weekly or 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.

4. Clean the engine cooling fins and external

surfaces.*

5. After the first 50 hours, change the hydraulic

oil and the hydraulic oil filter. Change them

every 500 hours thereafter.

6. Oil wear points. Follow the Oiling Chart.

7. 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. BBC air gap should not exceed 0.035”

E. Yearly Checks

Check the oil in the hydraulic reservoir.

* Perform maintenance more frequently under dusty

conditions.

**Reference Engine Owner’s Manual

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