45-4
Servicing Vee Belts
1. Belt adjustment is by means of adjusting screws
to increase or decrease the distance between
the shaft centres. Locknuts on the tension
screws must be tight whilst running the plant.
2. Drives tensioned horizontally have a sliding
base frame with four clamping bolts which must
be tight whilst running the plant.
3. Drives tensioned vertically have the moving
power pack base frame mounted on four
adjusting screws which must have all the
locknuts tight whilst running the plant.
4. Some plants with vertical tensioning have a
hydraulic assisted system, refer to hydraulic
assisted belt tensioning.
5. Adjust each screw only to a limited extent at
a time and by equal amounts to ease the
movement of the base frame.
ENTANGLEMENT
HAZARD
n DANGER
Refer to Safety Notices Section for relevant
warning and procedure
n WARNING
Refer to Safety Notices Section for relevant
warning and procedure
LOCKOUT
PLANT
FALLING
HAZARD
Adjustment
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