Checking The V-Belt Tension - Manitowoc GROVE GMK4090 Maintenance Manual

7.3.7
Spare parts
and tools
Prerequisites
Check
Maintenance manual
GMK4090

Checking the V-belt tension

•
Comply also with the run-in regulations;
•
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;
documentation .
Designation
Kit:
Complete fitting of a second alternator
V-belt
– Frequency measuring instrument; GROVE part no. 04165439;
new V-belt: Frequency 78.2 Hz;
run-in V-belt: Frequency 68.6 Hz.
– The engine must not be running and must be secured against
unauthorised use.
•
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).
3 302 649 en
Maintenance work on the carrier
à
p. 4 - 1.
à
Engine manufacturer's
Quantity GROVE part no.
1 03301570
1 03301576
7.3 Engine
M 12
s
7 - 23