Manitowoc Grove GMK 4100L-1 - Checking the V-Belt Tension

Maintenance work on the carrier
7.3 Engine
25.11.2016
Maintenance manual 3 302 364 en 7 - 23
GMK 4100L-1
7.3.7 Checking the V-belt tension
Comply also with the à Run-in regulations, 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 st
andard
equipm
ent is described in the documentation supplied;
à Engine
manufacturer’s documentation
.
Spare parts and
tool
s
– 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.
Checking
• 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
M 12
Designation Quantity GROVE part no.
Kit:
Complete fitting of a second alternator
1 03301570
V-belt 1 03301576