Maintenance work on the carrier
7.3 Engine
07.12.2017
Maintenance manual 3 302 649 en 7 - 23
GMK4090
7.3.7 Checking the V-belt tension
• Comply also with the run-in regulations; à p. 4 - 1.
• Check whether your truck crane is fitted with a second alternator (2)
(additional equipment).
Maintenance of the V-belt of the first alternator (1) fitted as standard equip-
ment is described in the documentation supplied;
à Engine manufacturer’s
documentation
.
Spare parts
and tools
– Frequency measuring instrument; GROVE part no. 04165439;
new V-belt: Frequency 78.2 Hz;
run-in V-belt: Frequency 68.6 Hz.
Prerequisites – The engine must not be running and must be secured against
unauthorised use.
Check
• Check the V-belt (1) for cracks and damage.
• If necessary, fit a new V-belt (1).
• Undo the nuts and bolts (2).
• Tilt the alternator (3) downwards until you
have achieved the desired pre-tension.
• Tighten the nuts and bolts (2).
s
Designation Quantity GROVE part no.
Kit:
Complete fitting of a second alternator
1 03301570
V-belt 1 03301576