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300200062-en-00.fm
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V-belt tension values
Fan drive
The V-belt tension values (pre-tension forces) are determined according
to the specifications of the V-belt manufacturer OPTBELT.
The V-belt tension value may on no account be above the maximum per-
missible value. Too high a V-belt value exerts an extreme load on the
crank drive which can lead to serious damage up to as far as a broken
crankshaft.
Fan drive TBD 616 V12
V-belt profile: XPB, edge open, inside toothing
Number of V-belts
3
Fan diameter
1133 mm
Number of blades
16
Max. engine speed
1500 rpm
-1
V-belt tension value of the single V-belt
-
in initial installation (new V-belt)
≈
390 N
-
in worn state
1)
1)
The run-in state is not reached until after a few operating hours.
≈
300 N
Max. engine speed
1800 rpm
-1
V-belt tension value of the single V-belt
-
in initial installation (new V-belt)
≈
570 N
-
in worn state
≈
440 N
Fan drive TBD 616 V16
V-belt profile: XPB, edge open, inside toothing
Number of V-belts
4
Fan diameter
1524 mm
Number of blades
8
Max. engine speed
1500 rpm
-1
V-belt tension value of the single V-belt
-
in initial installation (new V-belt)
≈
320 N
-
in worn state
1)
1)
The run-in state is not reached until after a few operating hours.
≈
245 N
Max. engine speed
1800 rpm
-1
V-belt tension value of the single V-belt
-
in initial installation (new V-belt)
≈
450 N
-
in worn state
≈
350 N
Summary of Contents for TBD 616 OEM
Page 1: ...Operating Instructions TBD 616 OEM Operating Instructions TBD 616 OEM ...
Page 2: ......
Page 138: ...Chapter 8 Page 6 300200137 en 00 fm 0103 Technische Angaben TBD 616 OEM ...
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