GENERAL
L3301, L3901, L4701, WSM
G-16
21 Fuel filter Replace
every
400 Hr
G-39 @
22 Hydraulic oil filter Replace
every
400 Hr
G-37
23 Transmission fluid Change
every
400 Hr
G-37
24 Front axle case oil (4WD) Change
every
800 Hr
G-40
25
Greasing
(2WD front wheel hub)
–
every
400 Hr
G-39
26 Front axle pivot Adjust
every
600 Hr
G-39
27 Engine valve clearance Adjust
every
800 Hr
G-40
28 Fuel injector nozzle tip Clean
every
1500 Hr
G-40 @
29 Oil separator element Replace
every
1500 Hr
G-40 @
30
PCV (Positive Crankcase
Ventilation) valve
(Oil separator)
Check
every
1500 Hr
G-40 @
31 EGR cooler
Check
Clean
every
1500 Hr
G-40 @
32 EGR system
Check
Clean
every
3000 Hr
G-41 @
33 Supply pump Check
every
3000 Hr
G-41
34 DPF muffler Clean
every
3000 Hr
G-41 @
35 Exhaust manifold Check
every
1000 Hr
or
1 year
G-41 *2
36
DPF differential pressure
sensor pipe
Check
every
1 year
G-41
37 EGR pipe Check
every
1 year
G-41
38
Antifrost heater for oil
separator (if equipped)
Check
every
1 year
G-41
39
DPF differential pressure
sensor hose
Replace
every
2 years
G-45
40 C
ooling system Flush
every
2000 Hr
or
2 years
G-43 *3
41 Coolant Change
every
2000 Hr
or
2 years
G-43 *3
42 Fuel system Bleed
Service
as
required
G-46
43 Clutch housing Drain G-46
44 Fuse Replace G-47
45 Light bulb Replace G-48
46 Fuel line Replace G-48 *5
47 Radiator hose and clamp Replace G-48 *5
48 Intake air line Replace G-48 *5
49 Power steering oil line Replace G-48 *5
50 Oil cooler line [HST] Replace G-48 *5
51 Oil separator hose Replace G-49 *5
No. Item
Indication on hour meter
Interval
Refer-
ence
page
Impor-
tant
50 100 150 200 250 300 350 400 450 500 550 600 650 700