John Deere z425 - Manual (Page 25)

Service Engine - 24
SERVICE ENGINE
7. Inspect the foam precleaner (E) without removing it. If the foam
precleaner is dirty:
a.Remove it from the filter carefully.
b.Wash precleaner in a solution of warm water and liquid detergent.
c.Rinse precleaner thoroughly. Squeeze out excess water in a dry cloth
until precleaner is completely dry.
8. Clean air cleaner housing carefully. Prevent any dirt from falling into
carburetor.
9. Install foam precleaner mesh side up.
10. Install cartridge. Make sure cartridge and seal are properly seated and
sealing the carburetor air intake area.
11. Install air cleaner cover and tighten knobs. Do not overtighten.
Checking and Cleaning Air Cleaner Elements (Twin
Cylinder Kawasaki)
1. Park machine safely (See Parking Safely in the SAFETY section).
2. Let engine cool.
3. Clean dirt and debris from the air cleaner cover.
MX37910
4. Loosen two knobs (A) and remove cover (B).
MX37945
5. Inspect the foam precleaner (B) without removing it.
6. If the foam precleaner is dirty:
• Remove the filter carefully.
• Wash precleaner in a solution of warm water and liquid detergent.
• Rinse precleaner thoroughly. Squeeze out excess water in a dry cloth
until precleaner is completely dry.
7. Remove foam precleaner (B), wing nuts (C), and paper element (D).
Inspect paper element.
8. If the paper filter element is damaged or dirty, replace filter.
9. Clean air cleaner base very carefully, preventing any dirt from falling into
carburetor.
10. Install foam precleaner (B) onto paper filter element (D). Install paper
element onto carburetor base, and secure with two wing nuts (C). Install
air cleaner cover and tighten wing nuts.
Checking Spark Plug
1. Park machine safely (See Parking Safely in the SAFETY section).
IMPORTANT: Avoid damage! Dirt and debris can enter the engine
through a damaged filter element:
• Do not wash paper element.
• Do not attempt to clean paper element by tapping against
another object.
• Do not use pressurized air to clean element.
• Replace element only if it is very dirty, damaged or the seal is
cracked.
B A
IMPORTANT: Avoid damage! Dirt and debris can enter the engine
through a damaged filter element:
• Do not wash paper element.
• Do not attempt to clean paper element by tapping against
another object.
• Do not use pressurized air to clean element.
• Replace element only if it is very dirty, damaged or the seal is
cracked.
c
CAUTION: Avoid injury! Touching hot surfaces can burn
skin. The engine, components, and fluids will be hot if the engine
has been running. Allow the engine to cool before servicing or
working near the engine and components.
B
D
C