Use and Care Manual

ManualsBrandsJohn Deere ManualsOutdoorsD140 48 in. 22 HP V-Twin Hydrostatic Front-Engine Riding Mower - California Only

3. Lift hood.

4. Clean dirt and debris from the air cleaner cover.

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5. Loosen two knobs (A) and remove cover (B).

IMPORTANT: Dirt and debris can enter the engine through a

damaged lter element:

• DDoo nnoott wwaasshh ppaappeerr eelleemmeenntt..

• DDoo nnoott aatttteemmpptt ttoo cclleeaann ppaappeerr eelleemmeenntt bbyy ttaappppiinngg

aaggaaiinnsstt aannootthheerr oobbjjeecctt..

• DDoo nnoott uussee pprreessssuurriizzeedd aaiirr ttoo cclleeaann eelleemmeenntt..

• RReeppllaaccee eelleemmeenntt oonnllyy iiff iitt iiss vveerryy ddiirrttyy,, ddaammaaggeedd oorr tthhee

sseeaall iiss ccrraacckkeedd..

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6. Pull lter assembly from air cleaner base (C). Inspect the foam

precleaner (D) without removing it. If the foam precleaner is dirty:

a. Remove it from the paper lter carefully.

b. Wash precleaner in a solution of warm water and liquid

detergent. Do not use oil.

c. Rinse precleaner thoroughly. Squeeze out excess water in a dry

cloth until precleaner is completely dry.

7. Inspect the paper lter element (E). If the paper lter element is

damaged or dirty, replace with new lter.

8. Clean air cleaner base very carefully, preventing any dirt from

falling into carburetor.

9. Install foam precleaner on paper lter element.

10. Install new lter assembly back onto air cleaner base.

11. Install air cleaner cover and tighten two knobs.

12. Lower hood.

Checking and Cleaning Emission Filter (If

Equipped)

1. Park machine safely. (See Parking Safely in the SAFETY section.)

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2. Inspect lter (A) for dirt and damage, wash or replace if required.

a. Remove cover (B) and remove emission lter (A) from under

rear of fender deck.

b. Wash foam lter in a solution of warm water and liquid

detergent. Do not use oil.

c. Rinse lter thoroughly. Squeeze out excess water in a dry cloth

until lter is completely dry.

If foam lter cannot be cleaned properly or is damaged, replace

with a new lter.

d. Install foam air lter and secure with cover.

Checking Spark Plug

1. Park machine safely. (See Parking Safely in the SAFETY section.)

2. Let engine cool.

3. Lift hood.

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Twin cylinder engine shown

4. Disconnect spark plug wire(s) (A), one on each side on V-twin

engines.

Service Engine