29
Warning
Do not maintain and replace element filter
in time according to the requirement will
lead to the damage of engine in advance.
2. Fan belt
Stop the engine.
Use finger to press the belt at the midway
point between the water pump pulley and the
generator pulley by 10kg press, and check
the drop distance if it is up to standard.
Engine
Drop distance
(
mm
)
K21, K25
11-13
4TNE92
4TNE98
New 8-12(
<
5min)
old 10-
14(≥5min)
4TNV94L
New 5-8(
<
5min)
old 7-
10(≥5min)
C240PKJ-30
8-12
S4S
12
Use finger to press the belt at the midway
point between the water pump pulley and the
generator pulley by 3-5kg press, and check
the drop distance if it is up to standard.
Engine
Drop distance
(
mm
)
A498BT1
10-15
Make a 6kg force in the middle of two belts
with finger to check if the drooping quantity
meets the specified value.
Engine
Drooping quantity
(
mm
)
GM4.3L
≤13
PERKINS 1104D Engine: check
Use proper gauge to measure belt tension.