a) Push the middle of the first drive belt.
b) If the top side of the first belt is level with the
lower side of the second drive belt, the tension is
correct.
c) If the top side of the first drive belt is below the
lower side of the second drive belt, the tension
is too low. Refer
drive belt on page 35 .
d) If the top side of the first drive belt is above
the lower side of the second belt, the tension is
too high. Refer to
drive belt on page 35 .
6. Examine the drive belts for wear and damages.
Replace damaged drive belts.
CAUTION:
the drive belts. Always replace all drive
belts at the same time.
7. Install the protective cover, the bolts, the washers
and the nuts.
To increase the tension of the drive belt
CAUTION:
belt must be increased after the first 2–4
hours of operation.
1657 - 004 - 07.03.2022
To increase the tension of the
To increase the tension of the
Do not replace only 1 of
The tension of the new drive
1. Loosen the locknut (A) and then turn the nut (B)
for the belt tension. Turn the nut for belt tension
counterclockwise (C) to decrease the drive belt
tension. Turn the nut for belt tension clockwise (D)
to increase the drive belt tension.
2. Do a check of the drive belt.
a) If the tension of the drive belt is too low, turn the
nut for the belt tension some more.
b) Do this procedure again until the drive belt
tension is correct.
CAUTION:
tension of the drive belt too much.
3. Hold the nut for belt tension tightly and at the same
time tighten the locknut.
To increase the tension of the pump
belt for the hydraulic propulsion system
CAUTION:
pump belt must be increased after the first
2–4 hours of operation.
C
B
A
D
Do not adjust the
The tension of the new
35