5.6.2.4 Checking the belt tension
Fig. 15: Tension check for V-belts
✓ The notes and steps stated in (⇨ Section 5.6.2 Page 31) to (⇨ Section 5.6.2.3 Page
31) have been observed/carried out.
1.
Check the tension of the V-belt with a belt tension measuring tool (measuring
tool not included in the scope of supply).
2. If the tension is incorrect: Tension the V-belts. (⇨ Section 5.7.3 Page 34).
Tension f o r c e s for V-belts
Table 12: Form for tension forces
Variable Value Unit
Test force [F
e
]
..........................................
N
Deflection distance of individual belts [ t
e
]
..........................................
mm
The set of V-belts consists of:
▪ Quantity:
▪ Dimension:
▪ Effective length [LW]
..........................................
..........................................
..........................................
mm
Diameter of large pulley [dw
g
]
..........................................
mm
Diameter of small pulley [dw
k
]
Speed [n]
..........................................
..........................................
mm
rpm
Distance between pulleys [a
nom.
]
..........................................
mm
5.7 Aligning the pump and motor
5.7.1 Motors with levelling screw
Any differences in shaft centre height between the pump and motor are adjusted
with levelling screws.
5 Installation at Site
32 of 78
KWP
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