95
Adjustment of belts
FOR 6 CYL. MARINE ENGINES WITH V-BELT
Measuring device VR00515/0 for toothed- and V-belt
a
With engine stopped, tension of the belt should be so that it
yields for
6 – 13 mm (350 ± 50 N)
when pressing your finger
on marked spots
(A)
and
(B)
.
If the belt is too slack, it may
slip through which results in higher wear and bad efficiency
of generator or pump. Belt tension is to be checked after first
10 operating hours and then every 50 operating hours.
NOTE:
Alternator belts and servo pump belts are
special Marine belts. DO NOT replace by
traditional V-belts.
Alternator belt
a
Check tension of alternator belt on spot
(A)
in the center be-
tween crankshaft belt pulley
(1)
and alternator belt pulley
(2)
.
s
Retighten the belt:
– Loosen the alternator holding-down
bolts
(34/C)
and
(34/D).
Turn the clamping bolt
(E)
clockwise,
(turn away alternator from engine) and increase belt tension
(350 ± 50 N)
.
Tighten screws
(C)
and
(D).
Check belt tension.
Servopump belt (if so)
NOTE:
Servopump is jointly driven with alternator,
tension belt via alternator.
Belt for raw water pump
a
Check tension of belt for raw water pump halfway
(B)
between
crankshaft belt pulley
(1)
and belt pulley on raw water pump
(3)
.
33
06024
1
2
3
B
A
34
06025
E
D
C
Содержание MO114K33
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