Revision 6
n BELT TENSIONING
GAUGE
~
(NLB
P/N
Pt.112969)
DRIVEN
PULLEY
Figure 8-87. Checking belt tension.
6.
Tension the
V-belt
until readings are obtained as shown on V-BELT TENSIONING
VALUES TABLE 8-B.
V-belt
NLB Part
Number
A-1012
Used
V-belt
Deflection Force
Min/Max
11.84/12. 77
lb.
(5.33/5. 75 kg)
V-BELT TENSIONING VALUES
TABLE
8-8
Tension
D
=Deflection
New
V-belt
Tool Required
Distance
Deflection Force
Min/Max
PM12969 Belt .406" (10.3 mm) 13. 70/14.63
lb
.
Tensioning
(6.17/6.58 kg)
Gauge
Recommended Recommended
Power Band
Static Tension Static Tension Length
Multiplier
New
V-belt
Used
V-belt
Min/Max Min/Max
208.2/223.0 lb. 178.4/193.3
lb.
1.0094/1.0117
(93. 69/100.35 (80.28/86.98 kg)
kg)
7.
Do
not install a new belt where the sheaves have worn or damaged grooves. Worn
sheaves should be replaced with new ones to insure a proper fit
of
the belt in the
grooves, thus eliminating the possibility
of
premature belt failure.
8. Keep belts clean.
Use
no
belt dressing.
If
belts slip, clean with cloth dampened with
alcohol and readjust belt tension.
9.
Install guard and tighten retaining bolts.
© Copyright October,
2001
NLB Corporation
8-
7 4
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