PERIODIC INSPECTION SCHEDULE
2-2
In the periodic inspection schedule table that follows, the intervals at which inspection and servicing should be per-
formed are specified in both the distance traveled (odometer reading) and period of use (months). The table also
indicates the parts requiring regular replacement and their replacement periodicity.
Perform periodic inspections according to the tabled schedule.
CAUTION
•
Determine the inspection period according to the distance traveled (odometer reading) or period of use
(months), whichever occurs first.
• If the vehicle is operated frequently under strenuous conditions (unpaved roads, coastal areas, deserts,
hilly or mountainous areas, cold areas, etc.), the intervals between inspections should be shortened
accordingly. Items for which shorter inspection and replacement intervals are particularly necessary are
shown in the periodic inspection schedule table.
• The parts replacement intervals have been established on the assumption that the vehicle is driven over a
distance of approximately 5,000 km (3,000 miles) every month. If your vehicle is driven over a monthly
average distance significantly greater than the above distance, shorten the parts replacement intervals
accordingly.
• Periodic inspection of rubber hoses (for brake system, fuel system, etc.) is quite important.
Because they decay, swell, chafe, and crack over time, it is necessary that they be inspected by techni-
cians regularly according to the periodic inspection schedule table and be replaced at regular intervals.
Hoses which are broken or have deteriorated must be replaced.
1. Periodic inspection schedule table
The items that have parenthesized numbers are explained with respect to inspection methods under NOTE at
the end of the table by the descriptions designated by the same numbers.
Symbols used
5: At the first 5,000 km (3,000 miles)
I: Inspect, and correct orreplace as necessary.
C: Clean.
R: Replace or change.
T: Tighten.
L: Lubricate.
•: No inspection is necessary.
When either 100,000 km (60,000 miles) or 20 months is reached, repeat the same inspection cycle beginning
with 5,000 km (3,000 miles) or one month.
Intervals:
x 1,000 km
x 1,000 miles
months
5
3
5
3
1
10
6
2
15
9
3
20
12
4
25
15
5
30
18
6
35
21
7
40
24
8
45
27
9
50
30
10
55
33
11
60
36
12
65
39
13
70
42
14
75
45
15
80
48
16
85
51
17
90
54
18
95
57
19
100
60
20
Remarks
Ref.
page
Engine
Engine oil R •R•R•R•R•R•R•R•R•R• R 3-3
Air cleaner element C C C C C C C C R C C C C C C C R C C C C 3-8
Oil filter element R •R•R•R•R•R•R•R•R•R• R 3-10
Fuel filter
element
4M5 engine
vehicles
• • • •R• • •R• • •R• • •R• • • R
3-12
4D3 engine
vehicles
• ••••R••••R••••R•••• R
Fuel feed pump gauze
filter <4D3 engine vehi-
cles>
C••••C••••C••••C•••• C 3-16
Engine condition I I I I I I I I I I I I I I I I I I I I I 3-16
Manifold bolts, nuts and
engine support bolts
• •••••••••T••••••••• T 3-17
Valve clearance • •••••••••A••••••••• A 3-18
Engine compression
pressure
• •••••••••I••••••••• I 3-21
Injection nozzles • • • I • • I • • I • • I • • I • • I • • 3-21
FUSO ASCENT-ALEJANDRO CANTO
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