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7 . 3 Tr a n s m i s s i o n
Inspection and adjustment of the drive belt tension
To check the drive belt tension
Stop the granulator according to section "6.1 Stop".
• Press the "Stop"-button.
• Turn the main switch to position "0" Off.
• Unplug the granulator connector from the electric power supply
• Press the emergency stop knob.
• Open the cutter house door.
• Open the hopper.
• Undo and remove the protective plate on left side of the granulator.
• Rotate the drive-belts one complete turn.
WARNING! Pinch risk between pulleys and drive-belts.
• Check the motor size, kilowatt (kW) and hertz (Hz) in the wiring diagram.
• Check the belt tension by loading each drive-belt
with 75 N in the mid-way between the cutter and
motor pulleys.
Measure the deflection in mm. at the same time.
• The table below shows how much it should be
possible to deflect the drive belts.
Motor 50 Hz
It should by a load of 75 N be possible to deflect the drive-belts max:
When installing a new belt
When re-check (6 months)
Motor 60 Hz
It should by a load of 75 N be possible to deflect the drive-belts max:
When installing a new belt
When re-check (6 months)
Adjustment of the drive belts
The drive belt tension is adjusted by the angle of the motor mounting bracket.
The angle of the motor mounting bracket regulate the distance between motor
and cutter pulley.
• On a soundproofed machine, undo and remove the protective cover at
rear of the granulator and the protective plate on right side of the granulator.
• Unscrew the screws "G" about 1/2 a turn.
• Then adjust the angle of the motor mounting bracket using the adjusting and
counter nuts "H" 4 pcs.
( c o n t i n u e d )
18.5/22 kW
30/37 kW
15 mm
14 mm
19 mm
19 mm
18.5/22 kW
30/37 kW
18 mm
17 mm
23 mm
23 mm
45/55 kW
15 mm
19 mm
45/55 kW
16 mm
20 mm
(continued)
S e r v i c e l
7 - 2 3
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