7 Maintenance and Care
74 TW9
7.8.4 Inspection plan
Work to be carried out by trained specialist dealer personnel:
O = Checking, maintenance
X = Replace
Operating hours
min
2x
min
1x
Perform work with machine at operating temperature
after
100
every
500
every
1000
every
2000
year-
ly
year-
ly
Chapter
1
Check machine for presence of machine-specific
operating instructions
O O
--
2 Change the engine oil
X X
7.9.1
3 Change the engine oil filter
X X
7.9.2
4 Drain water from the fuel tank
O O O
7.9.4
5 Replace the fuel filter
X X
7.9.4
6 Clean fuel pump, sieve filter
O
7.9.4
7 Check air intake
O O
7.9.5
8 Replace main air filter cartridge
according to the service
indicator
X
7.9.5
9 Replace the air filter safety cartridge
as required
1)
7.9.5
10 Clean cooling fins on hydraulic oil cooler
O O O
7.9.10
Machine damage
due to strong accumulation of dust.
• Shorten the cleaning intervals!
11 Clean cooling fins of water cooler (combined cooler)
O O O
7.9.3
Machine damage
due to strong accumulation of dust.
• Shorten the cleaning intervals!
12 Check antifreeze level in coolant
O
7.9.3
13 Change coolant
as required
1)
7.9.3
14 Check V-belt tension
O O
7.9.6
15 Check engine mount and pump attachment
O O --
16
Check engine speed setting, upper and lower idle
speeds
O O --
17 Check valve lash of engine and adjust if necessary
1x every 500 OH and as required
--
18 Check injection valves
O
--
19 Check or replace the fuel leakage oil line
O X
1)
7.9.4
20 Replace toothed belt
3)
--
21 Check crankcase breather in valve cover
O
--
22 Check acid level and battery connections
O O
7.9.17
23
Check condition of tires, tire pressure and fastening
of wheel nuts
O O
7.9.14
24 Check fastening of axles and propeller shaft
O O --
25
Check bearing bushings and bolts of work
equipment and replace if necessary
O O --
26
Check bushings and bolts of the articulation and the
articulated steering and replace if necessary
O O --