CHAPTER 1 CK20(H)
1-24
S196-WOO Jul. 2003
H. ADJUSTING FAN BELT TENSION
(1) Bolt
(A) Check the Belt Tension
(B) To Tighten
Proper fan belt
tension
A deflection of between
8 mm (0.32 in.)
when the belt is pressed in the
middle of the span.
1. Stop the engine and remove the key.
2. Apply moderate thumb pressure to belt between
pulleys.
3. If tension is incorrect, loosen the alternator mount-
ing bolts and, using a lever placed between the al-
ternator and the engine block, pull the alternator
out until the deflection of the belts falls within ac-
ceptable limits.
4. Replace fan belt if it is damaged.
196W130A
G. CLEANING FUEL FILTER
(1) Fuel Cock (5) Spring
(2) Fuel Filter Bowl (6) Filter Bowl
(3) O-Ring (7) Screw Ring
(4) Filter Element (A) Close
196W128A
• If dust and dirt enters the fuel system, the fuel
pump and injection nozzles are subject to prema-
ture wear. To prevent this, be sure to clean the
fuel filter bowl and element periodically.
IMPORTANT
This job should not be done in the field, but in a clean
place.
1. Close the fuel cock.
2. Unscrew the screw ring and remove the filter bowl,
and rinse the inside with kerosene.
3. Take out the element and dip it in the kerosene to
rinse.
4. After cleaning, reassemble the fuel filter, keeping
out dust and dirt.
5. Bleed the fuel system.
(See “Bleeding Fuel System” in service as required)
To avoid personal injury:
• Be sure to stop the engine before checking belt
tension.
CAUTION
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