Maintenance and care 7
TW85 77
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
Chapte
r
29 Check function and condition of supports
O O
--
30 Check hose-rupture safety valves of supports
O O
7.9.12
31
Check tightness of all pipes, hoses, control valves,
hydraulic pumps, cylinders, etc.
O O
--
When tightening hose and pipe connections,
screw-in couplings must be locked to
prevent rotation.
32 Check or change hydraulic oil
O O X
2)
7.9.7
33 Replace the hydraulic oil return filter insert.
X
according to the
service indicator
X
7.9.8
34 Replace the hydraulic oil suction filter insert
X X X
7.9.9
35 Replace the breather
X X
7.9.10
36 Check function of brakes and brake disc play
O O
7.9.14
37 Differential – rear axle oil: check or oil change resp.
X X X
7.9.13
38 Differential – front axle oil: check or oil change resp.
X X X
7.9.13
39
Transmission on front axle; check or oil change
resp.
X X X
7.9.13
40
Wheel hubs of front and rear axles; oil check or oil
change
X X X
7.9.13
41
Check that ring gear attachment screws are securely
fastened
O O
7.9.17
42
Check that swing-gear attachment (hydraulic motor
and transmission) is securely fastened
O O
7.9.17
43
Lubricate the machine according to overview of
lubricating points
O O
7.8.3
44
Check function, condition and completeness of
safety equipment
O O
--
45 Hydraulic function check with function pressure test
O O
--
46 Test run and test work
O O
--
47 Sign inspection card and return to manufacturer
O
O
3)
7.4
1) at least every 2 years
2) Extension of oil change intervals according to oil sample analysis and laboratory report
For further information see section 7.3.
3) under warranty
4) every 5 years or 5,000 running hours