88
4741
5371
B, C
A
31
9
10
2
5466
31 2
Motor and motor control
Adjustdrivebelttensionifvaluesexceed
those shown in the table.
Adjustments
Drivebelttension
The drive belt is pre-tensioned upon delivery
fromthefactory.
Thedrivebelttensionshouldbeasfollows:
Model ForceA PosttensioningB NewbeltC
(N) (mm) (mm)
W465H* 30 9 8
W475H* 30 9 8
W465H** 30 8 7
W475H** 30 8 7
W4105H 40 9 8
W4130H 53 10 8
W4180H 68 10 8
W4240H 75 10 8
W4300H 78 10 8
* uptomachineNo.
**frommachineNo.
Model ForceA PosttensioningB NewbeltC
(N) (mm) (mm)
W475S/N 35 8 6
W485S/N 35 9 8
W4105S/N 40 8 7
W4130S/N 40 8 7
W4180S/N 60 9 7
W4250S/N 68 8 7
W4330S/N 45 8 6
UptomachineNo.
-520/111627
520/111641-115133
520/115144-120398
520/120409-121020
Toadjustdrivebelttension,rstundothemotor
retainingscrewacoupleofturns,thenpress
down on the motor to achieve proper tensioning.
Lockthelockingnutwhenthetensioniscorrect.
Thenlocktheretainingscrew.
1. Lockingnut
2. Adjustingscrew
3. Retainingscrewfordrivebelttension
H – model
M and N – model
9
10